WO2024128924A1 - Cloison mobile pour contenant à poissons - Google Patents

Cloison mobile pour contenant à poissons Download PDF

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Publication number
WO2024128924A1
WO2024128924A1 PCT/NO2023/060126 NO2023060126W WO2024128924A1 WO 2024128924 A1 WO2024128924 A1 WO 2024128924A1 NO 2023060126 W NO2023060126 W NO 2023060126W WO 2024128924 A1 WO2024128924 A1 WO 2024128924A1
Authority
WO
WIPO (PCT)
Prior art keywords
bulkhead
fish
fish container
moveable
expansion tube
Prior art date
Application number
PCT/NO2023/060126
Other languages
English (en)
Inventor
Erlend Eide
Original Assignee
Watermoon AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Watermoon AS filed Critical Watermoon AS
Publication of WO2024128924A1 publication Critical patent/WO2024128924A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/90—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination
    • A01K61/95—Sorting, grading, counting or marking live aquatic animals, e.g. sex determination specially adapted for fish
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/10—Culture of aquatic animals of fish
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00—Culture of aquatic animals
    • A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms

Definitions

  • the invention relates to movable bulkheads for closed submersible aquaculture systems and a method for operating said bulkhead.
  • Extracting fish from fish containers may prove a difficult task.
  • the fish do not evacuate on their own motion simply by providing an opening for the fish to escape.
  • Forcing fish out of a fish container directly with e.g. a vacuum hose or direct physical contact will damage the biomass and cause great stress amongst the fish affecting the fish quality.
  • the fish should be nudged or encouraged out of the fish container allowing the fish, as much as possible, to evacuate on their own motion.
  • the current invention seeks to provide a solution for easily and gently extracting fish from closed submersible fish containers.
  • WO 2022158984 A1 describes a closed, spherical cage for floating fish farming.
  • the cage features a polygonal pattern created by tubular elements forming a spherical framework. Multiple panes covered by seine netting enclose the structure.
  • the tubular elements house inflatable buoyancy members connected to a gas reservoir, controlled by a control unit. Nodes join the tubular elements using sleeves and finger brackets, and the design allows water to flow into unoccupied parts of the tubular elements. This innovation is intended for fish farming applications in water.
  • US 2012132148 A1 pertains to a containment pen designed for finfish aquaculture.
  • the pen consists of a supporting structure and a net that encloses a volume for holding the fish.
  • the net is composed of removable panels, each featuring flexible netting attached to rigid members around its perimeter.
  • the patent introduces the concept of using inflatable displacement balloons (labeled as "28") in some of the net panels. These balloons can be filled with air or water from the surface through tubes. When it's time to transfer fish between pens, the operator opens gates, inflates the balloon to reduce available swimming space, prompting fish to migrate through a transfer tube into another pen.
  • the balloon may have flexible weighted rings for ballast, and the transfer tube may include features for grading, counting, and estimating fish biomass.
  • the invention relates to a moveable bulkhead for a closed submersible aquaculture system comprising a fish container, comprising: a bulkhead surface comprising a bulkhead surface circumference; an expansion tube fixed to and extending along the bulkhead surface circumference for expanding and collapsing the bulkhead between a collapsed state and an expanded state; wherein the expansion tube is in fluid connection with a fluid control means for injecting and withdrawing fluid to and from the expansion tube (120); moving means connected to the bulkhead for moving the bulkhead inside the fish container.
  • the invention relates to a moveable bulkhead for a closed submersible aquaculture system comprising a fish container, comprising: a bulkhead surface comprising a bulkhead surface circumference; wherein the bulkhead is movable between a collapsed state and an expanded state while inside the fish container; wherein the bulkhead comprises means for expanding and collapsing the bulkhead; wherein the bulkhead is configured to be inserted into an opening of the fish container which is narrower than the bulkhead surface circumference while in its expanded state; and wherein the bulkhead is configured to move within the fish container while its expanded state.
  • the bulkhead is configured to drive fish towards fish outlet of the container.
  • the bulkhead can also be used to move or gather any object within the fish container such as biomass, particles, floating waste etc.
  • the invention further relates to said bulkhead, wherein the means for expanding and collapsing the bulkhead comprises: an expansion tube fixed to and extending along the bulkhead surface circumference for expanding and collapsing the bulkhead between a collapsed state and an expanded state; wherein the expansion tube is in fluid connection with a fluid control means for injecting and withdrawing fluid to and from the expansion tube; moving means connected to the bulkhead for moving the bulkhead inside the fish container.
  • the invention further relates to said bulkhead, wherein the bulkhead is configured to move vertically within the fish container.
  • the invention further relates to said bulkhead, wherein the bulkhead surface comprises a centred opening.
  • the invention further relates to said bulkhead, wherein a support collar is fixed to the centred opening; and wherein the moving means comprises at least one wire, cable or line connected to the support collar.
  • the invention further relates to said bulkhead, wherein when the bulkhead is in its expanded state, the expansion tube is configured to abut against the inner surface of the fish container along the length of the expansion tube creating a barrier for aquatic organisms within the fish container.
  • the invention further relates to said bulkhead, comprising at least one radial tube for containing or holding a weight, the radial tube extending between a centre of the bulkhead surface and the bulkhead surface circumference.
  • the invention further relates to said bulkhead, wherein the weight is free to move within the radial tube.
  • the invention further relates to said bulkhead, wherein the at least one radial tube extends between the support collar and the expansion tube.
  • the invention further relates to said bulkhead, wherein the bulkhead surface is permeable.
  • the invention further relates to said bulkhead, wherein the bulkhead surface is non-permeable.
  • the invention further relates to said bulkhead, wherein the expansion tube and/or the at least one radial tube is made of a flexible material comprising a polymer, a composite or a fabric material.
  • the invention further relates to a method of operating previously mentioned bulkhead within a closed submersible fish container, comprising the steps of: providing an opening in the fish container; moving the bulkhead through the opening while the bulkhead is in its collapsed state; expanding the bulkhead; moving the bulkhead in a direction against a biomass in the reservoir volume.
  • the invention further relates to said method, wherein the expansion step comprises: injecting fluid into the expansion tube using the fluid control means until the bulkhead reaches its expanded state
  • the invention further relates to said method, further comprising the steps of: lowering the bulkhead in its expanded state until the expansion tube reaches a tapered bottom portion or a bottom portion of the fish container preventing the expansion tube from being lowered further; further lowering the bulkhead until the at least one radial tube slopes downwards allowing the weight to slide downwards pressing the bulkhead surface against the inner surface of the fish container or further lowering the bulkhead until the bulkhead surface rests against substantially the entire bottom portion of the fish container.
  • the invention further relates to said method further comprising the steps of: withdrawing fluid from the expansion tube or decreasing the fluid pressure within the expansion tube using the fluid control means until the bulkhead reaches its collapsed state.
  • Fig. 1 is a cutaway perspective view of a fish container including a bulkhead of the invention in a collapsed state;
  • Fig. 2 is a cutaway perspective view of a fish container including a bulkhead of the invention in an expanded state;
  • Fig. 3 is a cutaway perspective view of a fish container including a bulkhead of the invention in a lowered position;
  • Fig. 4 is a cutaway perspective view of a fish container including a bulkhead of the invention in a lowered position.
  • aquaculture system is intended as a general expression comprising a fish pen, a fish tank, a fish cage, an aquaculture facility and equivalents.
  • An aquaculture system comprises a container (e.g. a fish container) providing a reservoir for aquatic organisms.
  • a container e.g. a fish container
  • fish container is used as a general expression for containers suitable for containing fish, however, the fish container referred to in this application may contain any aquatic organism, and what applies for fish in this application may also apply for other similar aquatic organisms.
  • the fish container may be permeable or non-permeable, flexible or rigid.
  • the internal volume of the fish container housing a biomass such as fish may be referred to as a biomass reservoir volume which is distinguished from other internal volumes of the fish container which does not contain or is not intended for containing aquatic organisms.
  • Fig. 1 is a cutaway perspective view of a fish container 10 including a bulkhead 100 of the invention in a collapsed state.
  • the fish container 10 has an exterior enclosure 101 .
  • a part of the exterior enclosure 101 is cut out to view the inside of the fish container 10.
  • the bulkhead surface 110 has a substantially elongated and tubular shape with a diameter smaller than a diameter of an opening into the fish container 10. The collapsibility which makes it easy to insert into and extract through narrow openings/hatches etc.
  • the bulkhead surface 110 forms a shape similar to a folded umbrella or a folded and cylindrical skirt.
  • the fish container 10 includes a bottom portion 103 and may include a top portion 104.
  • the bottom portion 103 may be tapered towards the bottom end.
  • the fish container 10 may be of any shape. Seen from above (not shown) the fish container 10 may have a circular, conical, rectangular or square horizontal crosssection. It may have a tapered, conical, convex or concave bottom portion or a flat bottom portion.
  • the exterior enclosure 101 may be rigid or flexible.
  • the fish container 10 may be permeable or non-permeable.
  • the fish container 10 has a substantially cylindrical middle portion with a tapered top portion 104 and a tapered bottom portion 103, although this figure only serves as one example of many fish container shapes.
  • the fish container 10 may have a closed top portion 104 and a closed bottom portion 103 providing a complete enclosure for the fish.
  • the fish container 10 may therefore be completely submerged.
  • the fish container 10 may include a top support section 105 preferably of a rigid material.
  • the fish container 10 may include an opening 172 in its top portion to provide access to the internal volume of the fish container.
  • the opening 172 may include a hatch (not shown).
  • the opening 172 is integrated in the top support section 105.
  • the hatch may be opened or closed to provide access to the internal volume of the fish container 10 and to close the fish container 10.
  • the hatch may therefore provide an opening 172 in the top portion 104.
  • Fig. 1 further shows a bulkhead 100 according to the invention positioned inside the fish container 10.
  • the bulkhead 100 includes a bulkhead surface 110.
  • the bulkhead surface 110 may be of any permeable or non-permeable structure/material such as polymer, composite, metal or fabric.
  • the bulkhead surface 110 may be both flexible and rigid.
  • the bulkhead surface 110 may have a perforated structure such as a net or a mesh.
  • the bulkhead 100 further includes a continuous expansion tube 120 which is fastened along a circumference 140 (see Fig. 2) of the bulkhead 100.
  • the bulkhead 100 is expandable and collapsible. In Fig. 1 the bulkhead 100 is in a collapsed state.
  • the bulkhead 100 may be lowered down through the opening 172 preferably when the bulkhead 100 is in its collapsed state.
  • the bulkhead 100 may be lowered with moving means 171.
  • the moving means 171 may include at least one wire, chain, rope, cable or line of any material.
  • the moving means 171 may be connected to a winch.
  • the moving means 171 may also be a rigid element such as a steel rod which can be moved actively by a motor in and out of the fish container 10.
  • the bulkhead 100 may be lowered actively with a winch or motor, or passively means of gravity.
  • the bulkhead 100 may be provided with weight elements to achieve a desired weight.
  • the bulkhead 100 may be moved up/down or sideways inside the fish container 10 actively by means of a motor or winch, by manual labour or by gravity. For sideways movement the bulkhead 100 is preferably inserted through an opening located in a side of the fish container 10 (not shown).
  • the bulkhead 100 is intended to move in a direction against an internal biomass in the fish container 10 in order to decrease the biomass reservoir volume, encouraging the biomass to evacuate the fish container 10 though an outlet.
  • the bulkhead 100 can also be inserted from a side opening (not shown) in the fish container 10 or a bottom opening (not shown) in the fish container 10.
  • the fish will according to its biological instincts move downwards and at least away from the introduced bulkhead 100.
  • a fish outlet 700 may be located in the bottom portion 103 of the fish container 10.
  • a fish outlet 701 may also be located in a top portion 104 of the fish container 10.
  • Fig. 2 is a cutaway perspective view of a fish container 10 including a bulkhead 100 of the invention in an expanded state. After the bulkhead 100 (in its collapsed state) has been lowered at least partly into the fish container 10, the bulkhead 100 may be expanded into its expanded state to cover the largest horizontal cross-section of the fish container 10.
  • the expansion tube 120 is fastened along the circumference 140 of the bulkhead surface 110.
  • the bulkhead surface 110, and consequently also the expansion tube 120 is circular in the expanded state.
  • the bulkhead surface 110 and the expansion tube 120 may however be of any shape corresponding to the inner surface of the fish container 10.
  • the expansion tube 120 is configured to abut against the inner surface of the fish container 10 along the length and outer surface of the expansion tube 120 creating an impenetrable barrier for aquatic organisms within the fish container 10.
  • the bulkhead 100 may be lowered from a topside location.
  • the moving means 171 is preferably connected to a central portion of the bulkhead 100.
  • the fish container 10 may also not include any centre column 800.
  • the bulkhead 100 may not include a centred opening 130 so that the bulkhead surface 110 forms a continuous surface without any centred opening.
  • the moving means 171 may in this aspect be fastened to a central part of the bulkhead surface 110 by means of any conventional fastening means, the central part being preferably reinforced.
  • the expansion tube 120 extends along the bulkhead circumference 140.
  • the expansion tube 120 is a hollow tube of a fluid tight material.
  • the expansion tube 120 is equivalent with a fluid channel or a fluid conduit.
  • the expansion tube 120 is preferably of a flexible material comprising a polymer, composite or fabric material.
  • a fluid control means 160 is provided in fluid connection with the expansion tube 120.
  • the fluid control means 160 may be a hydraulic or pneumatic pump configured to inject or withdraw fluid to/from the expansion tube 120 and to provide constant hydrodynamic or pneumatic pressure to the expansion tube 120. By injecting a fluid the expansion tube 120 will gradually form a rigid support structure and expand the bulkhead surface 110 along a horizontal or vertical plane.
  • the expansion tube 120 may be injected with a fluid such as sea water, air or any other fluid.
  • the expansion tube 120 is preferably filled with sea water.
  • the fluid control means 160 may be located within the fish container 10 or outside the fish container 10 in direct or indirect connection with the expansion tube. Preferably the fluid control means 160 is located top side.
  • the fluid control means 160 may be connected to the expansion tube 120 via at least one fluid transport means being a cable or a tube or a hose etc. (not shown).
  • the fluid transport means may run through the opening 172 along within the moving means 171.
  • the fluid control means 160 may also be a compact impeller, propeller, gas canister or other conventional means for providing hydrodynamic or pneumatic pressure to expand the expansion tube 120.
  • the fluid control means 160 may be actuated to operate in reverse, withdrawing fluid from the expansion tube 120 causing the expansion tube 120 to collapse.
  • the fluid control means 160 may also have a pressure release valve for releasing pressure, also causing the expansion tube 120 to collapse.
  • the fish After the bulkhead 100 has been lowered into the internal fish reservoir, the fish has already fled downwards or away from the bulkhead 100 and is therefore already located below the bottom end of the bulkhead surface 110, or on the side of the bulkhead surface 110 opposite of the opening 172, due to biological instincts. Therefore, when the bulkhead 100 is expanded, the fish is located below, or on the side of the bulkhead surface 110 opposite of the opening 172 of, the expanded bulkhead surface 110.
  • the bulkhead 100 After the bulkhead 100 has been expanded it is lowered further down inside the fish container 10 in a direction towards the fish/biomass causing the fish to flee away from the bulkhead towards a fish outlet 700 located in the bottom portion 103 of the fish container 10 where they eventually will evacuate through the fish outlet 700.
  • a fish evacuation amount is dependent on how much the fish reservoir volume has been decreased by the bulkhead 100, in addition to general disturbance of the internal water.
  • the fish outlet 700 may be a fish evacuation port/opening/gate/hatch located in the bottom portion 103.
  • the fish outlet 700 may be connected to a fish transport means 690 (see Fig. 3 and 4) such as a fish transport hose or tube or any other conduit - pressurized or non-pressurized.
  • the fish outlet 700 may be connected to the centre column 800 and the centre column 800 may comprise a fish transport means 690 extending through the centre column 800 to a top fish outlet 701 (see Fig. 3), which allows fish to travel up through the centre column 800 and out of a top fish outlet 701 located in a top portion of the fish container 10.
  • the fish evacuates through the fish outlet 700.
  • the fish transport means 690 may extend between the fish outlet 700 and the top fish outlet 701 .
  • the fish transport means 690 may be hydrodynamically pressurized to yield a current for transporting fish and other aquatic organisms, operating essentially as a vacuum hose.
  • the fish outlet 700 may also directly or indirectly be connected to an auxiliary fish pen, tank or cage.
  • the fish outlet 700 may also be connected indirectly to a service vessel for transporting or treating fish.
  • the fish outlet 700 may be connected to a centre column 800 inside which the fish may travel through the centre column 800 and out of the fish container 10.
  • Fig. 3 is a cutaway perspective view of a fish container 10 including a bulkhead 100 of the invention in a lowered position.
  • the bulkhead 100 in its expanded state, has been lowered to a level where the expansion tube 120 rests against the inner surface of the fish container 10.
  • the fish container 10 has a tapered lower portion 190 reducing the horizontal cross-sectional area of the fish container 10. Consequently, the expansion tube 120 is held back from being lowered any further. Since the moving means 171 are preferably connected to a central part of the bulkhead surface 110, when lowering the bulkhead 100, the bulkhead surface 110 area will increasingly rest against and cover the inner surface of the tapered lower portion 190 decreasing the biomass reservoir volume completely or nearly completely.
  • the bulkhead 100 of the invention may also be used for flat bottomed fish containers, wherein the bulkhead surface 110 can be positioned to rest against the flat bottom, decreasing the biomass reservoir volume completely or nearly completely.
  • the bulkhead 100 may be provided with least one hollow radial tube 180 connected to the bulkhead surface 110.
  • the radial tubes 180 are preferably made of a flexible material.
  • the radial tubes 180 preferably extends between the expansion tube 120 and the support collar 131.
  • Fig. 4 is a cutaway perspective view of a fish container 10 including a bulkhead 100 of the invention in a lowered position. In Fig. 4 the bulkhead 100 has been lowered even further than in Fig. 3.
  • the support collar 131 is now located below the expansion tube 120 causing each radial tube 180 to slope downwards, presuming the bottom portion of the fish container 10 is tapered downwards.
  • Each radial tube 180 may be configured to contain a weight 181.
  • the weights 181 may be fixed to a specific position along the radial tube 180, or the weights 181 may be free to slide/move inside the radial tube 180. The latter case is shown in Fig. 4. Since each radial tube 180 slopes downwards, the weight 181 will slide downwards providing a gravitational force to the bulkhead surface 110. As the bulkhead 100 is lowered further, the weights 181 moves inward to a central part of the bulkhead surface 110, forcing the whole of the bulkhead surface 110 against the bottom portion 103.
  • the bulkhead 100 When the bulkhead 100 is lowered sufficiently, the bulkhead 100 may decrease the entire volume or nearly the entire volume below the bulkhead 100. This provides the ability to completely evacuate the internal biomass from the fish container 10 even for fish containers having a tapered bottom portion 190.
  • the fish evacuates through the fish outlet 700.
  • the fish transport means 690 may extend between the fish outlet 700 and the top fish outlet 701 . In this case, the fish follow direction 750.
  • the fish outlet 700 may guide the fish out through a fish transport means 690 running outside the fish container 10 following a direction 751.
  • the bulkhead 100 may be lowered into the fish container 10, expanded and completely lowered against the bottom portion 103, before fish enters the fish container 10.
  • the bulkhead 100 may be pulled upwards forcing or encouraging the fish upwards through a top opening 701 .
  • the top opening 701 may be connected to a top side fish pen or any other container or enclosure possibly via a fish transport means such as a hose, tube, or any other conduit.
  • Fig. 5 is a cutaway side view of a fish container 10 including a bulkhead 200 of the invention in a collapsed state lowered into the container 10.
  • Fig. 5 illustrates an embodiment of the invention wherein the bulkhead 200 is an expandable umbrellalike structure.
  • the bulkhead 200 includes rigid ribs 230 supporting a bulkhead surface 210.
  • the bulkhead 200 includes a runner 250 connected to a shaft 260.
  • the shaft 260 may be used to move the bulkhead within the fish container 10.
  • the shaft 260 may be referred to as a moving means.
  • Fig. 6 shows a cutaway side view of a fish container 10 including a bulkhead 200 of the invention in an expanded state lowered into the container 10.
  • Fig. 6 also shows a detail view of the bulkhead 200 from its inside.
  • the runner 250 may be operated topside via hydraulic, pneumatic or electrical connection means.
  • the runner 250 engages the ribs 230 being connected to the runner 250 and shaft 260.
  • the embodiment of Fig. 5 and 6 may include stretchers 270 functioning substantially the same way as for a conventional reverse umbrella.
  • the runner 250 is actuated causing the bulkhead ribs 230 to tilt radially against the inner wall of the tank 10, there by expanding the bulkhead surface 210, bringing the bulkhead into an expanded state.
  • the bulkhead circumference 240 lies close to the inner walls of the container.
  • this bulkhead 200 is to function as an expansive barrier that can be lowered and expanded like an umbrella to drive the fish out of the container. This method of operation is consistent with the previous embodiments that have been already disclosed. In this particular embodiment, it is not necessary for the bulkhead 200 to be in physical contact with the fish as they will be scared by any moving object and will instinctively swim away from the bulkhead surface 210 when it comes near them, regardless of whether it seals against the inner wall of the container 10. Therefore, this embodiment offers a practical solution for effectively driving the fish towards a fish outlet for removing fish from the container without causing harm to the fish while ensuring a stress-free experience for them.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

L'invention concerne une cloison mobile pour des bacs à poissons, des installations d'aquaculture, des compartiments à poissons, des réservoirs à poissons et analogues. La cloison est à la fois extensible et pliable et est conçue pour se déplacer le long d'un axe vertical. La cloison est spécialement conçue pour des contenants à poissons submersibles fermés et peut être abaissée dans le réservoir à poissons interne à travers une ouverture dans une partie supérieure du contenant à poissons. L'invention concerne également un procédé de fonctionnement de la cloison dans un contenant à poissons.
PCT/NO2023/060126 2022-12-16 2023-12-15 Cloison mobile pour contenant à poissons WO2024128924A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO20221347 2022-12-16
NO20221347A NO347766B1 (en) 2022-12-16 2022-12-16 Movable bulkhead for aquaculture system
NO20230672 2023-06-09
NO20230672A NO20230672A1 (en) 2022-12-16 2023-06-09 Movable bulkhead for aquaculture system

Publications (1)

Publication Number Publication Date
WO2024128924A1 true WO2024128924A1 (fr) 2024-06-20

Family

ID=90526737

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2023/060126 WO2024128924A1 (fr) 2022-12-16 2023-12-15 Cloison mobile pour contenant à poissons

Country Status (2)

Country Link
NO (2) NO347766B1 (fr)
WO (1) WO2024128924A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531835B3 (fr) * 1982-08-18 1985-08-30 Bordes Sue Dominique Enceinte d'elevage de poissons en mer
CA1253406A (fr) * 1985-06-14 1989-05-02 David E. Whiffin Methode et appareil pour l'elevage des poissons dans un cours d'eau naturel
NO20030592D0 (no) * 2003-02-06 2003-02-06 Endre Kvalheim Fiskemerd
US7284501B2 (en) * 2004-10-29 2007-10-23 Ocean Farm Technologies, Inc. Containment pens for finfish aquaculture
PT2658368T (pt) * 2010-12-29 2017-02-22 Oceanspar Inc Redil para peixe com antena central
NO336552B1 (no) * 2013-12-23 2015-09-28 Ocean Farming As Halvt nedsenkbar, sylindrisk merd, stengbare skott for en merd, samt en hevbar bunn for merden.
NO343071B1 (no) * 2017-04-25 2018-10-29 Tor Helge Svela Nedsenkbart oppdrettshabitat med strekkstagsforankret luftromkonstruksjon
NO346348B1 (en) * 2019-07-18 2022-06-20 Fiskevelferd As Fish farm
NO346396B1 (no) * 2021-01-25 2022-07-04 Geir Kroken Merdanordning omfattende kuleformet merd
NO346662B1 (en) * 2021-02-01 2022-11-21 Subfarm As Submersible fish cage for sea-based farming
NO346484B1 (en) * 2021-02-24 2022-09-05 Kristensen Maritime As AquaOcean Semi Submersible Fish Farm

Also Published As

Publication number Publication date
NO347767B1 (en) 2024-03-18
NO20221347A1 (en) 2024-03-18
NO20230672A1 (en) 2024-03-18
NO347766B1 (en) 2024-03-18

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