IE20080851A1 - A heat transfer system - Google Patents
A heat transfer system Download PDFInfo
- Publication number
- IE20080851A1 IE20080851A1 IE20080851A IE20080851A IE20080851A1 IE 20080851 A1 IE20080851 A1 IE 20080851A1 IE 20080851 A IE20080851 A IE 20080851A IE 20080851 A IE20080851 A IE 20080851A IE 20080851 A1 IE20080851 A1 IE 20080851A1
- Authority
- IE
- Ireland
- Prior art keywords
- panel
- base
- heat
- floor panel
- floor
- Prior art date
Links
- 239000011796 hollow space material Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 8
- 238000005728 strengthening Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
- F24D3/14—Tube and panel arrangements for ceiling, wall, or underfloor heating incorporated in a ceiling, wall or floor
- F24D3/141—Tube mountings specially adapted therefor
- F24D3/142—Tube mountings specially adapted therefor integrated in prefab construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02417—Floor panels made of box-like elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/024—Sectional false floors, e.g. computer floors
- E04F15/02405—Floor panels
- E04F15/02417—Floor panels made of box-like elements
- E04F15/02423—Floor panels made of box-like elements filled with core material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
- F24D3/122—Details
- F24D3/125—Hydraulic pipe connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
- F24D3/122—Details
- F24D3/127—Mechanical connections between panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/12—Tube and panel arrangements for ceiling, wall, or underfloor heating
- F24D3/16—Tube and panel arrangements for ceiling, wall, or underfloor heating mounted on, or adjacent to, a ceiling, wall or floor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/02—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets
- E04F2290/023—Specially adapted covering, lining or flooring elements not otherwise provided for for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets for heating
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Floor Finish (AREA)
- Building Environments (AREA)
Abstract
An access floor system comprises a plurality of floor panels 1 and associated support pedestals 2. the floor panel 1 comprises a base and a top 11. A plurality of integral stenghtening projections 15 extend from the base 10 towards the top 11. The projections 15 are welded to the steel top 11. The panel has an inlet valve 18 and an outlet valve 19 which are connected to water flow and return lines so that hot water is circulated through the hollow space 12 defined between the base 10 and top 11 from the inlet 18 to the outlet 19. In one arrangement a heat reflector suc as a layer 20 of a suitable heat reflecting means is applied over the face of the base 10 to reflect back heat and hence minimise heat dissipation from the underside of the panel. In another arrangement a heat conducting means 25 of a suitable material such as ceramic is applied to the upper surface of the panel to act as a heat sink to store heat and assist in heat transfer to the room space. The panel may be inverted so that a dimpled side 30 is uppermost for enhanced heat transfer to the room space. <Figure3>
Description
There are many buildings where heating is supplied from hot water systems under the floor. Such hot water systems are often referred to as trench heating systems. These comprise a run of two or more pipes containing hot water encased on three sides by a steel box faced on the upper surface with a grill. There is often a problem in providing an access floor that must fit between the heating base and the curtain wall, often with only a small gap to fill. This is difficult to achieve in a manner in which the access floor panels are adequately supported. Additionally known heated trench systems often form traps for debris and dust resulting in a relatively unhygienic system.
There is therefore a need for an improved heat transfer system which will address at least some of these issues.
Statements of invention According to the invention there is provided a floor panel comprising a top and a base which define therebetween a sealed hollow space for direct flow’ of a heat exchange medium through the hollow’ space, the panel having an inlet connection and an outlet connection for circulation of a heat exchange medium through the hollow space.
In one embodiment the inlet and/or an outlet connection means comprises a valve. The valve may be a self sealing valve.
In one embodiment a heat reflecting means is applied to the base of the panel.
In another embodiment a heat conducting means is applied to the top of the panel.
The heat conducting means may comprise a heat sink material such as a ceramic. -2In one embodiment the base and/or the top comprise a plurality of integral strengthening projections. In one ease the strengthening projections extend from one of the base and top towards the other of the base and top. l'he projection may be fixed to the other ofthe base and top.
In one embodiment the top and base are of steel and the projections extend from one of the base and top and are welded to the other of the base and top. A vent hole may be provided through the projection.
The invention also provides a heat transfer system comprising a plurality of floor panels of the invention.
The system may comprise support pedestals for the floor panels. At least some of the support pedestals may have an integral connection means for a heat exchange medium.
The system in one embodiment comprises pipework for circulating a heat exchange medium through the floor panels. The heat exchange medium may be a heating fluid or a cooling fluid.
Brief Description of the Drawings l'he invention will be more clearly understood from the following description thereof given by way of example only with reference to the accompanying drawings, in which :Fig. 1 is a perspective view of a floor panel system of the invention; Fig. 2 is a perspective view of the underside of portion of a floor panel system of the invention; IE 0 80851 -3Fig. 3 is a cross sectional view of the floor panel; Fig. 4 is a plan view in the direction of the arrow A in Fig. 3; Fig. 5 is an enlarged view of the panel, in use; Fig. 6 is a view similar to Fig. 5 illustrating a modified panel: Fig. 7 is an exploded cross sectional view' of a modified panel assembly; Fig. 8 is a cross sectional view of the panel assembly of Fig. 7; Fig. 9 is a cross sectional view' of another panel assembly of the invention; and Fig. 10 is a perspective view of portion of another floor panel system of the invention with pedestals having a built-in valve.
Detailed Description '1 his invention provides an access flooring system of the type comprising a plurality of floor panels 1 and a plurality of support pedestals 2 for supporting the floor panels 1. fhe pedestals are distributed over a subfloor, and the pedestals are arranged to support the floor panels such that floor panels may be individually removed to gain access to the chamber below the floor panels. When assembled, the floor panels provide a relatively flat and strong floor to support office personnel, furniture and the like.
In the invention we provide a hollow floor panel 1 sealed such as to be able to contain water, or other suitable heat exchanger fluid, fhe floor panel can be any size to suit the floor grid to be installed. A typical size may be 500mm or 600mm square with a thickness of about 30mm.
IE 0 80 851 -4Water can be supplied from pipes 3 installed under the access floor and connected with flexible hoses to the hollow floor panels. The connections 4 can be of several forms from a simple screw assembly to a more complex self sealing valve, fhe self sealing valve permits removal of the heated floor panel from the water system without recourse to draining the system and with minimum water spillage. An adjustable restrictor accessible from the top to adjust the water flow and hence heat output may be incorporated into the floor panel.
Connection valves 5 may be free standing as illustrated in Fig. 10 allowing a high degree of system flexibility as the panels 1 can be easily moved around a floor to optimise heating for a given area.
Alternatively the valves may be combined with support pedestals such that a panel may be removed and installed simply and the fluid connection broken/made as the panel is moved. However, this may be less flexible since the pedestals may have to be specific for the heated panels. However, the same pedestals could be used throughout a floor.
Referring to Figs. 3 to 6 in this case the floor panel 1 comprises a base 10 of an egg crate" form and a generally flat top 11. The base 10 and top 11 are preferable of a heat conducting metal such as steel. The bases 10 and tops 11 are welded together to form a sealed hollow space 12 for circulating a heat exchange medium. A plurality of integral strengthening projections 15 extend from the base 10 towards the top 11. The projections 15 are in this case of generally dome-shape and are welded to the steel top 11. The weld could be of a circular form the centre of which may be punched out to enhance air flow. Air flow could be further enhanced locally with a fan located in the space beneath the heated floor panel.
The panel has an inlet self sealing port valve 18 and an outlet self sealing port valve 19 such as those available RS types 3872511 and 3872599. These are connected to water flow and return lines so that hot water is circulated through - 5 the hollow space defined between the base 10 and top 11 from the inlet 18 to the outlet 19. The floor panel provides a dimpled radiator for heat transfer to the room space as illustrated in Fig. 5.
In one arrangement (see Fig. 6) a heat reflector such as a layer 20 of a suitable heat reflecting means is applied over the face of the base 10 to reflect back heat and hence minimise heat dissipation from the underside of the panel.
In another arrangement (Figs. 7 and 8) a heat conducting means 25 of a suitable material such as ceramic is applied to the upper surface of the panel to act as a heat sink to store heat and assist in heat transfer to the room space.
In a particularly preferred arrangement the panel is inverted so that a dimpled side 30 is uppermost for enhanced heat transfer to the room space. In this case a heat sink material 25 may also be applied over the room side of the panel for enhanced heat transfer. The material 25 also provides a flat face.
The heat transfer system of the invention may not only replace trench heating but also conventional wall mounted radiators and as such could reduce heating bills by virtue of the greater efficiency of floor heaters which work at lower surface temperatures. Since they work at lower temperatures, typically around 27°C the system also lends itself to regenerative sources such as ground and solar sources.
A further enhancement is the potential to use the system as a means of dowsing a fire in a floor void by having holes on the underside of the floor panel sealed with a eutectic solder such that it melts off at a pre-determined temperature, for example 100°C, to release water from the panel. The effectiveness of this would be determined by the static head in the system and feed pipe size but both could be optimised for a particular system.
Fig. 2 illustrates the underside of a test system showing a self sealing valve arrangement and a ‘flying lead* style flexible supply pipe.
IE Ο 80 851 -6fig. 10 illustrates a heating panel 1 (typically 600mm square) on pedestals 40 which have built-in self sealing supply valves. Removal of the panel 1 from the pedestal automatically disconnects the fluid supply and seals both the panel ports and the supply pipes minimising fluid loss. Such a panel may be integrated into an existing floor or used in new installations.
One of the advantages of floor heating panel system of the invention above wall mounted radiators is that in a floor they can operate at much lower temperatures and are therefore safer and more economical to run, typically at 27C. Further improved economy may be achieved by adding a layer of insulation such as indicated in Fig. 3. The insulation may be a foam type (such as polyurethane or polyisocyanate), thus reducing heat radiated to the floor cavity.
The heat exchange medium may be a heating and/or cooling medium. The system may also include a heat pump.
The invention is not limited to the embodiments hereinbefore described which may be varied in detail.
II y 80851 -Ί -
Claims (7)
1. A floor panel comprising a top and a base which define therebetween a sealed hollow space for direct flow of a heat exchange medium through the hollow space, the panel having an inlet connection and an outlet connection for circulation of a heat exchange medium through the hollow space.
2. \ floor panel as claimed in claim 1 wherein the inlet and/or outlet connection comprises a valve. 3. /7 re 0 8085V
3. A floor panel as claimed in claim 2 wherein the valve is a self sealing valve. 4. /7 □) LL Fig. 6 IE Ο 80 851 Fig. 8 IE 3 80 851 IE Ο 80 855
4. A floor panel as claimed in any of claims 1 to 3 comprising a heat reflecting means applied to the base of the panel.
5. A floor panel as claimed in any of claims 1 to 4 comprising a heat conducting means applied to the top of the panel.
6. A floor panel as claimed in claim 5 wherein the heat conducting means comprises a heat sink material. 7. A floor panel as claimed in claim 6 wherein the heat sink material comprises a ceramic. 8. A floor panel as claimed in any of claims 1 to 7 wherein the base and/or the top comprise a plurality of integral strengthening projections. 9. A floor panel as claimed in claim 8 wherein the strengthening projections extend from one of the base and top towards the other of the base and top. IE C 80 851 -διό. A floor panel as claimed in claim 9 wherein the projection is fixed to the other of the base and top. 11. A floor panel as claimed in claim 10 wherein the top and base are of steel and the projections extend from one of the base and top and are w'elded to the other of the base and top. 12. A floor panel as claimed in any of claims 8 to 11 wherein a vent hole is provided through the projection. 13. A floor panel as claimed in any of claims 8 to 12 wherein the projections are of generally dome shape. 14. A floor panel substantially as hereinbefore described with reference to the accompanying drawings. 15. A heating system comprising a plurality of floor panels as claimed in any preceding claim. 16. A heating system as claimed in claim 15 comprising support pedestals for the floor panels. 17. A heating system as claimed in claim 16 wherein at least some of the support pedestals have an integral connection means for a heat exchange medium. 18. A heating system as claimed in any of claims 15 to 17 comprising pipework for circulating a heat exchange medium through the floor panels. 19. A heating system substantially as hereinbefore described with reference to the accompanying drawings. IE Ο 80851
7. Π Ο «ί
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE20080851A IE20080851A1 (en) | 2007-10-23 | 2008-10-20 | A heat transfer system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IE20070771 | 2007-10-23 | ||
IE20080851A IE20080851A1 (en) | 2007-10-23 | 2008-10-20 | A heat transfer system |
Publications (1)
Publication Number | Publication Date |
---|---|
IE20080851A1 true IE20080851A1 (en) | 2009-06-24 |
Family
ID=40097673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE20080851A IE20080851A1 (en) | 2007-10-23 | 2008-10-20 | A heat transfer system |
Country Status (3)
Country | Link |
---|---|
GB (1) | GB2454079B (en) |
IE (1) | IE20080851A1 (en) |
WO (1) | WO2009053951A2 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2361757B1 (en) * | 2009-12-10 | 2012-05-25 | Carlos González Bravo | RADIANT ELEVATED, AUTOPORTING, PREFABRICATED AND REMOVABLE SOIL SYSTEM ON FLUID DISTRIBUTING SUPPORTS. |
IT1401901B1 (en) * | 2010-06-30 | 2013-08-28 | Paulon | RADIANT FLOORING MODULE |
EP2594855A1 (en) * | 2011-11-16 | 2013-05-22 | Winkler Technik GmbH | Heating element |
ES2535849B1 (en) * | 2013-11-15 | 2016-02-24 | Carlos González Bravo | Radiant floor system superimposed, prefabricated and removable |
ES2714131T3 (en) * | 2014-02-07 | 2019-05-27 | Giovanni Cristalli | Heating or cooling system with a transfer fluid, of the underground type |
GB2574783B (en) * | 2019-10-10 | 2020-06-10 | Radiana Ltd | Temperature-Adjustable Ceiling Panel |
CN114535945B (en) * | 2022-03-08 | 2022-12-09 | 廊坊康平空调制造有限公司 | Manufacturing process and installation method of curtain wall convection radiator capable of being adjusted in three dimensions |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE444341B (en) * | 1981-03-17 | 1986-04-07 | Tour & Andersson Ab | HEATING ELEMENTS, PARTICULARLY AS FLOOR OR FLOOR ELEMENTS, AND SET FOR ITS MANUFACTURING |
DE3137410C1 (en) * | 1981-09-19 | 1986-06-19 | MERO-Werke Dr.-Ing. Max Mengeringhausen, GmbH & Co, 8700 Würzburg | Raised floor |
DE3225764A1 (en) * | 1982-07-09 | 1984-01-12 | Arnold Dipl.-Ing. 3004 Isernhagen Vogts | Multi-layer lightweight unit, especially panel heat exchanger, and process and injection head for manufacturing it from plastics |
DE3310186A1 (en) * | 1983-03-21 | 1984-09-27 | Artus 5060 Bergisch Gladbach Feist | Heatable floor slab |
DE3427415A1 (en) * | 1984-07-25 | 1985-02-21 | Industrieberatung Misoph, 8560 Lauf | Surface-heating system, in particular floor-heating system |
US5228252A (en) * | 1992-01-02 | 1993-07-20 | Unistrut International Corp. | Floor panel used in raised flooring with interlocking domes |
JP2000193259A (en) * | 1998-12-24 | 2000-07-14 | Ig Tech Res Inc | Heater |
JP2002250531A (en) * | 2001-02-23 | 2002-09-06 | Toyox Co Ltd | Floor heating panel |
KR100458434B1 (en) * | 2001-12-21 | 2004-12-03 | (주)태경감리공단건축사사무소 | a floor-heat panel using hot-water |
KR200352692Y1 (en) * | 2004-03-03 | 2004-06-09 | 송영보 | Teaching tools for learning periodic table of the elements |
KR200361913Y1 (en) * | 2004-06-30 | 2004-09-14 | 주식회사 엘지화학 | Plate-shaped heating panel in which space elements are fasten by bolts and nuts |
ITMI20042423A1 (en) * | 2004-12-17 | 2005-03-17 | Enrico Morettin | FLOOR AND FLOOR PANEL |
WO2008038627A1 (en) * | 2006-09-28 | 2008-04-03 | Mitsubishi Plastics, Inc. | Floor heating system |
-
2008
- 2008-10-20 WO PCT/IE2008/000103 patent/WO2009053951A2/en active Application Filing
- 2008-10-20 IE IE20080851A patent/IE20080851A1/en not_active Application Discontinuation
- 2008-10-20 GB GB0819164.5A patent/GB2454079B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB0819164D0 (en) | 2008-11-26 |
WO2009053951A3 (en) | 2009-09-03 |
WO2009053951A2 (en) | 2009-04-30 |
GB2454079B (en) | 2012-03-07 |
GB2454079A (en) | 2009-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FJ9A | Application deemed to be withdrawn section 31(3) |