US3690463A - Floating suction head - Google Patents

Floating suction head Download PDF

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Publication number
US3690463A
US3690463A US162108A US3690463DA US3690463A US 3690463 A US3690463 A US 3690463A US 162108 A US162108 A US 162108A US 3690463D A US3690463D A US 3690463DA US 3690463 A US3690463 A US 3690463A
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United States
Prior art keywords
head
oil
suction
inlet end
outlet end
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Expired - Lifetime
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US162108A
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John A O'brien
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US Department of Navy
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US Department of Navy
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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10—Devices for removing the material from the surface
    • E02B15/106—Overflow skimmers with suction heads; suction heads
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20—Controlling water pollution; Waste water treatment
    • Y02A20/204—Keeping clear the surface of open water from oil spills
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/918—Miscellaneous specific techniques
    • Y10S210/922—Oil spill cleanup, e.g. bacterial
    • Y10S210/923—Oil spill cleanup, e.g. bacterial using mechanical means, e.g. skimmers, pump

Definitions

  • ABSTRACT Apparatus used for collecting spilled oil from the surface of the sea including primarily a floating suction head connected to a pump by a flexible hose.
  • the oil water mixture enter the head through a suction port, the latter being protected from debris by a series of screens.
  • a lightweight buoyant structure would be the most effective.
  • an object of this invention is to provide a method and apparatus for removing oil from an aqueous surface.
  • Another object of the invention is to provide apparatus for removing spilled oil from an ocean surface which is easily adjusted to the thickness of the oil slick thus picking up maximum oil and minimum water.
  • Still another object is to provide a simple and economical apparatus for removing oil from an ocean surface which is exceptionally effective in operation.
  • FIG.'1 is a simplified partial cross-sectional view of the apparatus constructed in accordance with the present invention with portions cut away to show the head structure.
  • FIG. 2 is an enlarged top plan view of the invention as shown in FIG. 1.
  • FIG. 3 is an exploded view of the preferred embodiment of the head.
  • a floating suction head 10 which is preferably circular with a plurality of suction ports 12 located about the periphery. It is constructed preferably of a sturdy lightweight plastic material and is about l8 inches in diameter and about 7 inches in height.
  • the head 10 contains three tubes 14 into which weights 16 are inserted as needed to adjust the skimming depth.
  • a central tube 18 interconnects with the ports 12 and a lightweight flexible and extendable hose 20 connects tube 18 to the floating suction hose'22 which leads to a pump not illustrated.
  • the suction'ports 12 are tapered and V-notchedas shown in FIG. 3 in order to help prevent mechanical-emulsification of the oil-water mixture and thus aid in separation of the oil from the water.
  • the head 10 comprises a cover and base'32 and '34 respectively.
  • the base 34 includes the slanted land portions 36 and when the cover is positioned over the base and adhered thereto by an suitable means, the
  • a debris screen 24' preferably of about %-inch mesh circumscribes the head 10 and is used to protect the ports 12 from clogging and other damage.
  • the screen 24 is supported independently of the head 10 by the triangular shaped screen angles 26 which have a circular float 28 attached at each of three corners substantially as shown.
  • the frame angles 30 are attached to each float 28 and to the tube 18 thereby providing additional strength to the framework formed by angles 26.
  • the angles 30 also support the flexible hose 20.
  • the oil-water mixter enters the head 10 through the suction intake ports l2 and is sucked through tube 18 by suitable pump means into hoses 20 and 22 thence into a storage area.
  • the skimming depth is maintained at between about /4. to 1 inch. This ability to adjust the skimming depth enhances the oil-to-water ratio so that the volume requirement for an oil-water separation system is reduced.
  • Three suction head assemblies may preferably be used simultaneously with the same suction source to increase oil pickup efficiency.
  • the head In case of substantial decreased output flow, the head is easily cleaned by backflushing. Routine cleaning with diesel fuel or strong detergent and water effectively removes the sticky oil and small particles of debris that may plug the suction head 10 after severe use.
  • a device to collect spilled oil from an aqueous surface comprising:
  • a buoyant suction. head having upper and lower surfaces interconnected with a peripheral wall, said wall having a plurality of tapered V-shaped suction intake ports positioned around the periphery, said V-shaped suction intake ports comprising a first inlet end, a second outlet end and having a generally triangular shape provided by walls connected at their longitudinal edges with said edges extending from said inlet end to said outlet end, the transverse dimensions of said walls being of greater length at said inlet end than at said outlet end whereby mechanical emulsification of the oil water mixture is prevented as the spilled oil is sucked into the ports from the aqueous surface;
  • a tube vertically oriented and centrally positioned within the buoyant suction head said tube having a lower inlet end and an upper outlet end with said inlet end interconnecting with the outlet ends of said triangularly shaped intake ports, said central tube adapted to receive the waste oil sucked into the head through said ports and forward the same via flexible hoses attached to the outlet end of said central tube to a suitable area; a debris screen circumscribing said head to prevent clogging damage thereto;
  • said means to adjust the head includes a series of weights which are adapted to be placed in said head to adjust the skimming depth thereof and insure the correct oil-to-water ratio.
  • a series of screen angles are adapted to support said screen independent of the head and, a separate series of frame angles are adapted to interconnect the floats with the head.
  • the floats are three i I I l

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
  • Removal Of Floating Material (AREA)

Abstract

Apparatus used for collecting spilled oil from the surface of the sea including primarily a floating suction head connected to a pump by a flexible hose. The oil-water mixture enter the head through a suction port, the latter being protected from debris by a series of screens.

Description

United States Patent OBrien [54] FLOATING SUCTION HEAD [72] Inventor: John A. O'Brien, Rockville, Md.
[73] Assignee: The United States of America as represented by the Secretary of the Navy [22] Filed: July 13, 1971 [21] Appl.No.: 162,108
[52] US. Cl. ..2l0/242, 2l0/DlG. 21 [51] Int. Cl. ..C02b 9/02 [58] Field of Search ..210/DIG. 21, 242; 415/7 [56] References Cited UNITED STATES PATENTS 3,534,859 10/1970 Amero et al ..210/242 [451 Sept. 12, 1972 2,891,672 6/1959 V eld et al. ..2l0/242 3,547,553 12/1970 Stanfield ..4 1 5/7 3,534,858 10/ l 970 Harrington ..2l0/242 Primary Examiner-Reuben Friedman Assistant Examiner-T. A. Granger Attorney-Gayward N. Mann et al.
[57] ABSTRACT Apparatus used for collecting spilled oil from the surface of the sea including primarily a floating suction head connected to a pump by a flexible hose. The oil water mixture enter the head through a suction port, the latter being protected from debris by a series of screens.
5 Claims, 3 Drawing Figures FLOATING SUCTION HEAD BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to apparatus for removing undesirable liquids from any aqueous surface and more particularly to floating suction devices adapted specifically to collect and remove spilled oil from the surface of the sea.
2. Description of the Prior Art The first oil pollution control measures included attempts at forced combustion, absorption by straw, sawdust and other natural materials and sinking the oil with sand. These attempts proved to be either inadequate, excessively costly or only of temporary value. Dispersants, especially detergents, are also employed, but since they are highly toxic and cause ecological damage to marine life they are not considered acceptable solutions. In certain areas, legislation prohibits their use and conservationists constantly attack their application.
It has become generally accepted that the only adequate method of dealing with spilled oil on the sea is through physical removal. To this end, various mechanical devices have been designed including rotating drums, endless belts and suction devices. Only the latter show promise of operating-satisfactorily and recent studies indicate they are the most cost effective method of collecting oil. Suction devices have been employed for the last several years with considerable success and it is believed that for efficient operation,
especially on high seas, a lightweight buoyant structure would be the most effective.
SUMMARY OF THE INVENTION STATEMENT OF THE OBJECTS OF THE INVENTION Accordingly an object of this invention is to provide a method and apparatus for removing oil from an aqueous surface.
Another object of the invention is to provide apparatus for removing spilled oil from an ocean surface which is easily adjusted to the thickness of the oil slick thus picking up maximum oil and minimum water.
Still another object is to provide a simple and economical apparatus for removing oil from an ocean surface which is exceptionally effective in operation.
Other objects, advantages and novel features of the invention will become apparent from the following detailed description of the invention when considered in conjunction with the accompanying drawings wherein:
BRIEF DESCRIPTION OF- THE DRAWINGS FIG.'1 is a simplified partial cross-sectional view of the apparatus constructed in accordance with the present invention with portions cut away to show the head structure.
FIG. 2 is an enlarged top plan view of the invention as shown in FIG. 1.
FIG. 3 is an exploded view of the preferred embodiment of the head.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring to the embodiment shown there is indicated a floating suction head 10 which is preferably circular with a plurality of suction ports 12 located about the periphery. It is constructed preferably of a sturdy lightweight plastic material and is about l8 inches in diameter and about 7 inches in height. The head 10 contains three tubes 14 into which weights 16 are inserted as needed to adjust the skimming depth. A central tube 18 interconnects with the ports 12 and a lightweight flexible and extendable hose 20 connects tube 18 to the floating suction hose'22 which leads to a pump not illustrated.
In the preferred embodiment the suction'ports 12 are tapered and V-notchedas shown in FIG. 3 in order to help prevent mechanical-emulsification of the oil-water mixture and thus aid in separation of the oil from the water. The head 10 comprises a cover and base'32 and '34 respectively. The base 34 includes the slanted land portions 36 and when the cover is positioned over the base and adhered thereto by an suitable means, the
open area between the lands provides the very important V-shaped ports 12.
A debris screen 24'preferably of about %-inch mesh circumscribes the head 10 and is used to protect the ports 12 from clogging and other damage. The screen 24 is supported independently of the head 10 by the triangular shaped screen angles 26 which have a circular float 28 attached at each of three corners substantially as shown.
The frame angles 30 are attached to each float 28 and to the tube 18 thereby providing additional strength to the framework formed by angles 26. The angles 30 also support the flexible hose 20.
In operation the oil-water mixter enters the head 10 through the suction intake ports l2 and is sucked through tube 18 by suitable pump means into hoses 20 and 22 thence into a storage area. Through a series of weights 16 which are added to head 10 as is required the skimming depth is maintained at between about /4. to 1 inch. This ability to adjust the skimming depth enhances the oil-to-water ratio so that the volume requirement for an oil-water separation system is reduced.
Three suction head assemblies may preferably be used simultaneously with the same suction source to increase oil pickup efficiency.
In case of substantial decreased output flow, the head is easily cleaned by backflushing. Routine cleaning with diesel fuel or strong detergent and water effectively removes the sticky oil and small particles of debris that may plug the suction head 10 after severe use.
Obviously many modifications and variations of the present invention arepossible in the light of the above teachings. It is therefore to be understood that within the scope of the appended claims the invention may be practiced otherwise than as specifically described.
I claim:
1. A device to collect spilled oil from an aqueous surface comprising:
a buoyant suction. head having upper and lower surfaces interconnected with a peripheral wall, said wall having a plurality of tapered V-shaped suction intake ports positioned around the periphery, said V-shaped suction intake ports comprising a first inlet end, a second outlet end and having a generally triangular shape provided by walls connected at their longitudinal edges with said edges extending from said inlet end to said outlet end, the transverse dimensions of said walls being of greater length at said inlet end than at said outlet end whereby mechanical emulsification of the oil water mixture is prevented as the spilled oil is sucked into the ports from the aqueous surface;
a tube vertically oriented and centrally positioned within the buoyant suction head, said tube having a lower inlet end and an upper outlet end with said inlet end interconnecting with the outlet ends of said triangularly shaped intake ports, said central tube adapted to receive the waste oil sucked into the head through said ports and forward the same via flexible hoses attached to the outlet end of said central tube to a suitable area; a debris screen circumscribing said head to prevent clogging damage thereto;
a plurality of floats attached at spaced distances 'means to adjust the head and insure adequate skimming depth thereof. 3. The device of claim 2 wherein: said means to adjust the head includes a series of weights which are adapted to be placed in said head to adjust the skimming depth thereof and insure the correct oil-to-water ratio.
'4. The device of claim 1 wherein: a series of screen angles are adapted to support said screen independent of the head and, a separate series of frame angles are adapted to interconnect the floats with the head. 5. The device of claim 1 wherein the floats are three i I I l

Claims (5)

1. A device to collect spilled oil from an aqueous surface comprising: a buoyant suction head having upper and lower surfaces interconnected with a peripheral wall, said wall having a plurality of tapered V-shaped suction intake ports positioned around the periphery, said V-shaped suction intake ports comprising a first inlet end, a second outlet end and having a generally triangular shape provided by walls connected at their longitudinal edges with said edges extending from said inlet end to said outlet end, the transverse dimensions of said walls being of greater length at said inlet end than at said outlet end whereby mechanical emulsification of the oil water mixture is prevented as the spilled oil is sucked into the ports from the aqueous surface; a tube vertically oriented and centrally positioned within the buoyant suction head, said tube having a lower inlet end and an upper outlet end with said inlet end interconnecting with the outlet ends of said triangularly shaped intake ports, said central tube adapted to receive the waste oil sucked inTo the head through said ports and forward the same via flexible hoses attached to the outlet end of said central tube to a suitable area; a debris screen circumscribing said head to prevent clogging damage thereto; a plurality of floats attached at spaced distances about the screen; and pump means interconnecting with said flexible hoses and providing suction to draw the spilled oil into said V-shaped suction intake ports positioned about the periphery of the head.
2. The device of claim 1 including: means to adjust the head and insure adequate skimming depth thereof.
3. The device of claim 2 wherein: said means to adjust the head includes a series of weights which are adapted to be placed in said head to adjust the skimming depth thereof and insure the correct oil-to-water ratio.
4. The device of claim 1 wherein: a series of screen angles are adapted to support said screen independent of the head and, a separate series of frame angles are adapted to interconnect the floats with the head.
5. The device of claim 1 wherein the floats are three in number and are equally spaced about said head.
US162108A 1971-07-13 1971-07-13 Floating suction head Expired - Lifetime US3690463A (en)

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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762557A (en) * 1971-08-23 1973-10-02 Watermaster Ind Ltd Floating skimmer
US3836004A (en) * 1972-12-07 1974-09-17 U Favret Apparatus for recovering oil substances from the surface of a body of water
US4024063A (en) * 1973-02-15 1977-05-17 Kabushiki Kaisha World Chemical Floating-matter removing apparatus
US4049554A (en) * 1974-07-29 1977-09-20 Shell Oil Company Oil spill cleanup system
US4107043A (en) * 1977-03-03 1978-08-15 Creative Dispensing Systems, Inc. Inlet conduit fluid filter
US4224162A (en) * 1978-05-16 1980-09-23 Giuseppe Ayroldi Apparatus for collecting liquids and/or slimes floating on liquid surfaces
US4974674A (en) * 1989-03-21 1990-12-04 Westinghouse Electric Corp. Extraction system with a pump having an elastic rebound inner tube
US5058669A (en) * 1989-03-21 1991-10-22 Westinghouse Electric Corp. Extraction system with a pump having an elastic rebound inner tube
US5108591A (en) * 1991-04-03 1992-04-28 Cs Participation Corp. Oil spill recovery system
US5118412A (en) * 1991-04-17 1992-06-02 Schmidt Richard J Fluid recovery apparatus
US5888406A (en) * 1994-05-17 1999-03-30 Hnatiuk; Ihor V. Device for the removal of thin surface films of petroleum products from the water's surface
US6027313A (en) * 1997-06-13 2000-02-22 Enhanced Energy, Inc. Gas assisted fluid delivery system
BE1012093A3 (en) * 1998-07-28 2000-04-04 Intervention Depollution Installation used to skim a polluted sheet of water on the surface with floating objects
US6358409B1 (en) * 1999-12-23 2002-03-19 Safety-Kleen Systems, Inc. Oil skimmer
GB2382536A (en) * 2001-12-01 2003-06-04 Kevin Sear Manual pump for removing scum from settlement tanks
US20050236311A1 (en) * 2002-07-01 2005-10-27 Terrien Richard J Manually controlled skimming of industrial oil contaminants
US20100270244A1 (en) * 2009-04-23 2010-10-28 Fang Chao Method and Apparatus for Skimming Floated Sludge
US8303812B2 (en) 2009-04-23 2012-11-06 Fang Chao Method and apparatus for skimming floated sludge
US20130087513A1 (en) * 2011-10-06 2013-04-11 Trace Minerals Research, L.C. Pond surface decanter and skimmer and method of use
US8631815B2 (en) 2011-01-25 2014-01-21 Randal K. VanConett Pump attachment interface providing a fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir
US20140083516A1 (en) * 2012-04-19 2014-03-27 Edgar Veinbergs Adjustable liquid strainer
US9365995B2 (en) 2012-08-22 2016-06-14 Michael H. James Oil skimmer and vacuum recovery apparatus
US9593676B2 (en) 2011-01-25 2017-03-14 Randal K. VanConett Rectangular pump attachment interface providing a portable fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir
US9592542B2 (en) 2012-04-26 2017-03-14 Michael Henry James Method and apparatus for cleaning the interior of an above ground storage tank
US10710796B2 (en) 2012-04-26 2020-07-14 Michael Henry James Apparatus for cleaning the interior of an above ground storage tank
CN111787990A (en) * 2017-12-22 2020-10-16 炮塔知识产权私人有限责任公司 Floating type liquid introducing device
US11103809B2 (en) * 2018-02-12 2021-08-31 Ypf Tecnologia S.A. Oil and aqueous phase separator
US20220233972A1 (en) * 2021-01-26 2022-07-28 Ross Davis Separation apparatus, system and method of use
US11428219B2 (en) * 2019-04-12 2022-08-30 Cameron Farms Hutterite Colony Liquid intake filters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891672A (en) * 1955-08-10 1959-06-23 Cornelis In T Veld Ship for receiving, transporting, and separating immiscible liquids of different specific gravities
US3534858A (en) * 1968-05-31 1970-10-20 John W Harrington Pollution control device
US3534859A (en) * 1969-03-11 1970-10-20 Gulf Research Development Co Apparatus for removal of oil floating on water or the like
US3547553A (en) * 1968-12-30 1970-12-15 Acme Products Inc Floating surface skimmer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891672A (en) * 1955-08-10 1959-06-23 Cornelis In T Veld Ship for receiving, transporting, and separating immiscible liquids of different specific gravities
US3534858A (en) * 1968-05-31 1970-10-20 John W Harrington Pollution control device
US3547553A (en) * 1968-12-30 1970-12-15 Acme Products Inc Floating surface skimmer
US3534859A (en) * 1969-03-11 1970-10-20 Gulf Research Development Co Apparatus for removal of oil floating on water or the like

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762557A (en) * 1971-08-23 1973-10-02 Watermaster Ind Ltd Floating skimmer
US3836004A (en) * 1972-12-07 1974-09-17 U Favret Apparatus for recovering oil substances from the surface of a body of water
US4024063A (en) * 1973-02-15 1977-05-17 Kabushiki Kaisha World Chemical Floating-matter removing apparatus
US4049554A (en) * 1974-07-29 1977-09-20 Shell Oil Company Oil spill cleanup system
US4107043A (en) * 1977-03-03 1978-08-15 Creative Dispensing Systems, Inc. Inlet conduit fluid filter
US4224162A (en) * 1978-05-16 1980-09-23 Giuseppe Ayroldi Apparatus for collecting liquids and/or slimes floating on liquid surfaces
US4974674A (en) * 1989-03-21 1990-12-04 Westinghouse Electric Corp. Extraction system with a pump having an elastic rebound inner tube
US5058669A (en) * 1989-03-21 1991-10-22 Westinghouse Electric Corp. Extraction system with a pump having an elastic rebound inner tube
US5108591A (en) * 1991-04-03 1992-04-28 Cs Participation Corp. Oil spill recovery system
WO1992017649A1 (en) * 1991-04-03 1992-10-15 Cs Participation Corp. Oil spill recovery system
US5118412A (en) * 1991-04-17 1992-06-02 Schmidt Richard J Fluid recovery apparatus
US5888406A (en) * 1994-05-17 1999-03-30 Hnatiuk; Ihor V. Device for the removal of thin surface films of petroleum products from the water's surface
US6027313A (en) * 1997-06-13 2000-02-22 Enhanced Energy, Inc. Gas assisted fluid delivery system
BE1012093A3 (en) * 1998-07-28 2000-04-04 Intervention Depollution Installation used to skim a polluted sheet of water on the surface with floating objects
US6358409B1 (en) * 1999-12-23 2002-03-19 Safety-Kleen Systems, Inc. Oil skimmer
GB2382536A (en) * 2001-12-01 2003-06-04 Kevin Sear Manual pump for removing scum from settlement tanks
US20050236311A1 (en) * 2002-07-01 2005-10-27 Terrien Richard J Manually controlled skimming of industrial oil contaminants
US7384548B2 (en) * 2002-07-01 2008-06-10 Terrien Richard J Manually controlled skimming of industrial oil contaminants
US20100270244A1 (en) * 2009-04-23 2010-10-28 Fang Chao Method and Apparatus for Skimming Floated Sludge
US8303812B2 (en) 2009-04-23 2012-11-06 Fang Chao Method and apparatus for skimming floated sludge
US8114296B2 (en) 2009-04-23 2012-02-14 Fang Chao Method and apparatus for skimming floated sludge
US9593676B2 (en) 2011-01-25 2017-03-14 Randal K. VanConett Rectangular pump attachment interface providing a portable fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir
US8631815B2 (en) 2011-01-25 2014-01-21 Randal K. VanConett Pump attachment interface providing a fixed link between a pump line coupled to a mobile tank and a line disposed in a reservoir
US20130087513A1 (en) * 2011-10-06 2013-04-11 Trace Minerals Research, L.C. Pond surface decanter and skimmer and method of use
US20140083516A1 (en) * 2012-04-19 2014-03-27 Edgar Veinbergs Adjustable liquid strainer
US9416920B2 (en) * 2012-04-19 2016-08-16 Edgar Veinbergs Adjustable liquid strainer
US9592542B2 (en) 2012-04-26 2017-03-14 Michael Henry James Method and apparatus for cleaning the interior of an above ground storage tank
US10710796B2 (en) 2012-04-26 2020-07-14 Michael Henry James Apparatus for cleaning the interior of an above ground storage tank
US9365995B2 (en) 2012-08-22 2016-06-14 Michael H. James Oil skimmer and vacuum recovery apparatus
CN111787990A (en) * 2017-12-22 2020-10-16 炮塔知识产权私人有限责任公司 Floating type liquid introducing device
US11207615B2 (en) * 2017-12-22 2021-12-28 Turret IP Pty Ltd Floating liquid intake
CN111787990B (en) * 2017-12-22 2023-05-05 炮塔知识产权私人有限责任公司 Floating liquid introducing device
US11679346B2 (en) 2017-12-22 2023-06-20 Turret IP Pty Ltd Floating liquid intake
US11103809B2 (en) * 2018-02-12 2021-08-31 Ypf Tecnologia S.A. Oil and aqueous phase separator
US11428219B2 (en) * 2019-04-12 2022-08-30 Cameron Farms Hutterite Colony Liquid intake filters
US20220233972A1 (en) * 2021-01-26 2022-07-28 Ross Davis Separation apparatus, system and method of use
US11478729B2 (en) * 2021-01-26 2022-10-25 Ross Davis Separation apparatus, system and method of use

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