GB2364565A - A reduced thickness underfloor heating system and a method of installing the same - Google Patents
A reduced thickness underfloor heating system and a method of installing the same Download PDFInfo
- Publication number
- GB2364565A GB2364565A GB0114057A GB0114057A GB2364565A GB 2364565 A GB2364565 A GB 2364565A GB 0114057 A GB0114057 A GB 0114057A GB 0114057 A GB0114057 A GB 0114057A GB 2364565 A GB2364565 A GB 2364565A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heating system
- base layer
- underfloor heating
- screed
- pipes
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
Classifications
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Floor Finish (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
An underfloor heating system 2 has an impervious insulating base layer 4 for laying on a substrate, pipe retention means 14 on the base layer, one or more pipes 8 secured to the base layer and a screed layer 18 overlying the base layer and pipes. The base layer may be formed of interconnectable sections and the pipes may be routed through upstanding nodules provided at spaced apart intervals on the base layer. The screed may be of anhydrite, and may be pumped onto the base layer. A leak proof edging in the form of a polythene flap or foam strip (40, fig 4) may be used to retain the pumped screed within the required area.
Description
2364565 Title: An improved underfloor heating system and a method of
installing the same.
DESCRIPTION
The present invention relates to an improved underfloor heating system and to an improved method of installing an underfloor heating system.
Underfloor heating systems are known in the art. Such systems possess certain benefits over other forms of heating systems, such as their ability to radiate warmth from the floor evenly and gently upwards to provide an even distribution of warm air across a room. In contrast, convection radiators create currents that draw cold air across lower levels and send warm air to the top of the room. Underfloor heating systems also tend to be more efficient in their use of energy, do not interfere with the layout of a room and do not take up valuable wall space.
The state of the art underfloor heating systems generally comprise a network of polymer pipes that are embedded in concrete screed throughout a floor area. The screed is normally laid over an insulation layer and a floor finish, such as carpet or tiles, may then be applied to the dried screed.
VA-fflst the aforementioned system is satisfactory, the installation of this type of underfloor heating is cumbersome and time-consuming. The correct application of the concrete screed to the pipes to provide a layer that is free from voids and air pockets and has a smooth, level surface for receiving the top floor covering is time-consuming. The concrete screed is normally provided as a relatively thick layer, normally in the region of 120mm in depth. Such factors can lead to a reduction in the efficiency of heat transfer from the underfloor pipes to the room above.
It is an object of the present invention to provide an improved underfloor heating system that aims to overcome the abovementioned drawbacks.
It is a further object of the present invention to provide an improved method of installing an underfloor heating system that aims to overcome the abovementioned drawbacks.
Accordingly, a first aspect of the present invention provides an underfloor heating system, the system comprising an impervious base layer for laying on a substrate, pipe retention means on the base layer, one or more pipes secured on the base layer by said pipe retention means and a screed layer overlying said base layer and pipe(s).
A second aspect of the present invention provides a method for installing an underfloor heating system, the method comprising the steps of laying an impervious base layer and pipe retention means on a substrate, securing one or more pipes to the base layer by said pipe retention means and applying a fluid-like screed over the base layer and pipes.
The base layer is preferably provided in the form of a board, preferably with upstanding peripheral edges for retaining the fluid screed within the system. The peripheral edges may be an integral part of the base layer or may be detachable therefrom. Detachable edging should be connectable to the base layer in such a manner as to be leak-proof.
Preferably, the base layer is an insulating layer. The base layer is preferably provided in interconnectable sections to provide a modular system. It is to be appreciated that the sections should connect in such a way as to be leak proof Preferably, the sections are provided with interlocking edges. The insulating board is preferably 20 to 30 mm in thickness, more preferably 25mm. An impervious membrane is preferably provided within the board to ensure the board is leak-proof Preferably, the pipe retention means form part of the base layer. More preferably, upstanding nodules extend from the base layer at spaced apart intervals wherein the pipe(s) may be routed between the nodules. Additional fixing means may be provided for securing the pipe(s) to the base layer, such as in the form of U- shaped fastenings. The pipes are preferably cross-linked polyethylene pipes, preferably being 10 - 20mm in diameter, more preferably l5nim.
An overlying flap, for example of polythene, may be provided at the edge of the board and/or between the sections of the board. More preferably, the flap is placed over the upstanding nodules and secured thereto by means of complimentary caps dimensioned to fit over the nodules. The complimentary caps may be linked together to form a strip for placing over adjacent nodules. One edge of the flap may be bonded to an edging member that may form the upstanding peripheral edges of the base layer.
The fluid screed may then be applied to the base layer and pipe(s). The fluid screed is one that may be flow-applied to the base layer, being of a semi-liquid consistency with selflevelling and/or self-smoothing properties. The screed may be delivered onto the substrate by means of a pump or by manual techniques. Fluid-like screeds are generally based upon a binder, graded aggregates and fillers. Plasticizers, polymers, set control and other additives may also be included to provide the required fluid consistency to enable the screed to flow onto the substrate. The binder may be formed of one or a combination of, for example, Portland cement, calcium aluminate cement, calcium sulpho aluminate cement or calcium sulphate in the form of anhydrite or hernihydrate. The polymers may be liquid or solid in various resin types, such as spray dried vinyl acetate/ethylene copolymer or liquid and spray dried acrylic. The various components of the screed may be mixed by hand or mechanical means.
More preferably a self-levelling synthetic anhydrite screed such as that marketed under the trade mark Isocrete GyvIon is applied to the base layer and pipe(s). The screed is preferably pumped onto the base layer by means of automated pump equipment. Preferably, the screed is provided at a minimum thickness of 40mrn.
The complete system is preferably 60-75mm in thickness.
The components of the system are preferably of a plastics material to minimise thermal movement and eliminate long term corrosion problems. The system may also include additional conventional underfloor heating components, such as manifolds, cabinets, thermostats and joints as required to provide a complete working system.
A top floor covering, such as carpet or tiles, may then be applied to the dried screed.
Optionally, the system may further comprise a damp-proof membrane below the base layer and/or acoustic insulation.
For a better understanding of the present invention and to show more clearly how it may be carried into effect, reference will now be made by way of example only to the accompanying drawings in which:- Figure I is schematic diagram of an installed underfloor heating system according to one embodiment of the present invention; Figure 2 is a schematic diagram of a section of a baseboard, pipe retention means and pipework for an underfloor heating system according to the present invention; Figure 3 is schematic cross sectional view of the interlockable edges of adjacent baseboard sections of an-underfloor heating system according to the present invention; and Figure 4 is a schematic cross sectional view of the perimeter seal detail of an underfloor heating system according to the present invention.
Refening to the accompanying drawings, an underfloor heating system 2 according to one embodiment of the present invention is illustrated. The system comprises an insulating base layer 4 provided on a substrate, such as a base slab 6, pipework 8 with an associatecl retaining system 9, and screed 1 S. A baseboard 4 is provided that combines, in one component, the function of insulation, a separation membrane and the pipe retaining system. The baseboard is around 25mm in thickness and is provided in sections (for example, each section being around 1200 by 600mm) as a modular system that has interlocking edges to provide a continuous board that is leak proof. Each section is provided with a lip 30 extending along each edge thereof, the lip having an adjacent recess 32. In this manner, the lip of an adjacent base section can be placed in the recess 32 between the lip and main body of the base section (see Figure 3). Two adjacent sides of each base section are provided with a lip 30a extending upwardly from the base of the board and the two other adjacent sides have the lip 30b extending downwardly from the upper surface of the board thereby enabling all adjacent sections to be interconnected together. Nodules 14 extend upwardly at spaced apart intervals from the main body of the baseboard, forniing part of the pipe retaining means.
Pipework 8, comprising flexible, unjointed pipes (such as 15mm crosslinked polyethylene pipes) is fitted between the nodules and then retained in place by retaining clips 16. This pipe retention system prevents the pipes from slipping or floating in the screed that is subsequently applied and allows the pipework to be trafficked before screeding with. minimal risk of damage to the pipes or insulating layers. A pumpable fluid-like screed 18, such as the anhydrite screed marketed under the trade mark Isocrete GyvlonTM is then fed onto the baseboard and pipework using automated pump equipment. A minimum thickness of 40mm of screed is applied to the board.
A special impervious membrane is provided within the baseboard to ensure that the fluid screed cannot leak through the insulating base layer. Additionally, a leak-proof edgimg in the form of a polythene flap or foam strip is provided to enable a pumpable screed to bc effectively applied to the baseboard, the edge seals retaining the fluid-applied screeds within tht required_ area. The polythene flap 40 (see Figure 4) is pre-bonded to an edge strip 42 that is placed adjacent the wall or other obstruction that marks the perimeter of the underfloor heating system. The part of the polythene flap that is not bonded to the edge strip is then placed over the base board sections that form the perimeter of the system, The flap is arranged over one or more nodules 14 in the sections and is secured to the nodules of the baseboard by a retaining cap strip 44. The strip consists of multiple caps that are of a complimentary size and shape to the nodules that are linked together to form a strip 44 which may be applied to the perimeter nodules overlain with the polythene flap 40.
Prior hereto, paste-like cementitous screeds have had to be spread over to the pipework. The use of a punip-applied fluid screed provides a number of benefits, such as the ability to provide a self levelling, selfcompacting screed that has a smooth, flat surface to enable the application of thin floor coverings 22 with minimal preparation. The flowing nature of the screed enables good compaction of the screed around the heating pipes thereby eliminating voids or air pockets and ensuring intimate contact and good thermal conduction between the pipes and the screed thereby increasing the efficiency of heat transfer from the heatpipes. Furthermore, the screed can be applied far more rapidly to reduce the time required to install a complete underfloor heating system and also allows for a reduced thickness of screed. The whole system will be typically around 65mm in depth as opposed to the usual 120mm thickness of the systems that utilise conventional concrete screeds. This enables heat to be released more quickly and efficiently from the flooring in response to the user's requirements.
The modular component design of the flooring system permits precise placernent of the system to ensure and even distribution of heat emission from the flooring. The mod-ular design also allows rapid installation of the flooring. The combination of this with the use oof a pumpable screed means that the whole system may be installed much more quickly than previous underfloor heating systems. Typically, up to 2000 m 2 per day of screed may be applied to a floor. This also reduces dramatically the possibility of site-related errors which are common with traditional cement sand screeds. Additionally, the self-levelling screed has rapid strength development, being able to withstand foot traffic around 24 to 48 hours after application. Hence, not only may the system be installed far more quickly than earlier systems but the screed is ready for foot traffic sooner thereby greatly reducing the overall time that an area is out of use whilst the underfloor heating system is being installed.
The system may also include an additional damp-proof membrane below the insulating layer (not shown in the accompanying drawings) such as for ground floors of a building, and may also include acoustic insulation.
The underfloor heating system of the present invention is suitable for most commercial and domestic buildings to provide a normal maximum heat output of 1 00w/m2. The system has a water temperature flow of 35-500C with a return flow of 25 to 400C. The typical surface temperature is 250C.
Claims (38)
1. An underfloor heating system comprising an impervious base layer for laying on a substrate, pipe retention means on the base layer, one or more pipes secured on to the base layer by said pipe retention means and a screed layer overlying said base layer and pipe(s).
2. An underfloor heating system as claimed in claim 1 wherein the base layer is in the form of a board.
3. An underfloor heating system as claimed in claim I or claim 2 wherein the base layer has upstanding peripheral edges.
4. An underfloor heating system as claimed in claim 3 wherein the peripheral edges are integral with the base layer.
5. An underfloor heating system as claimed in claim 3 wherein the peripheral edges are detachable from the base layer.
6. An underfloor heating system as claimed in claim in any one of claims 1 to 5 wherein the base layer is an insulating layer.
7. An underfloor heating system as claimed in any one of the preceding claims wherein one or more edges of the base layer is or are provided with an overlying flap.
8. An underfloor heating system as claimed in any one of the preceding claims wherein the base layer is formed from interconnectable sections to provide a modular system.
9. An underfloor heating system as claimed in claim 8 wherein the sections have interlocking edges which connect in such a way as to be leak proof.
10. An underfloor heating system as claimed in claim 9 wherein one or more edges of the sections is or are provided with an overlying flap.
11, An underfloor heating system as claimed in any one of the preceding claims wherein an impervious membrane is provided within the base layer.
12. An underfloor heating system as claimed in any one of the preceding claims wherein the base layer is 20-30mm in thickness.
13. An underfloor heating system as claimed in any one of the preceding claims wherein the pipe retention means forms part of the base layer.
14. An underfloor heating system as claimed in claim 13 wherein upstanding nodules extend from the base layer at spaced apart intervals for the routing of pipes therebetween.
15. An underfloor heating system as claimed in claim 14 when appendant from claim 7 or claim 10, wherein the flap is placed over the ustanding nodules and secured thereto by suitable means.
16. An underfloor heating system as claimed in claim 15 wherein the securing means is in the form of a complimentary cap dimensioned to fit over the nodule.
17. An underfloor heating system as claimed in claim 16 wherein complimentary caps are linked together to form a strip for placing over adjacent nodules.
18. An underfloor heating system as claimed in any one of the preceding claims -,Vherein U-shaped fastenings are provided for fixing the pipe(s) to the base layer.
19. An underfloor heating system as claimed in any one of the preceding claims -wherein the pipes are cross-linked polyethylene pipes.
20. An underfloor heating system as claimed in any one of the preceding claims wherein the fluid screed is one that is flow-applied to the base layer, being of semi-liquid conLsistency with self-levelling and/or self-smoothing properties.
21. An underfloor heating system as claimed in claim 20 wherein the fluid screed is based on a binder, graded aggregates and fillers.
22. An underfloor heating system as claimed in claim 21 wherein the binder is formed of one or a combination of Portland cement, calcium aluminate cement, calcium sulpho aluminate cement or calcium sulphate in the form of anhydrite or hemihydrate.
23. An underfloor heating system as clai med in claim 21 or claim 22 wherein plasticizers, polymers set control and other additives are included in the screed to provide the required fluid consistency.
24. An underfloor heating system as claimed in claim 23 wherein the polymers are liquid or solid in various resin types.
25. An underfloor heating system as claimed in claim 24 wherein the polymer is spray dried vinyl acetate/ethylene copolymer or liquid and spray dried acrylic.
26. An underfloor heating system as claimed in any one of the preceding claims wherein the screed layer is at least 40mm thick.
27. An underfloor heating system as claimed in any one of the preceding claims wherein the complete system is 60-75mm in thickness.
28. An underfloor heating system as claimed in any one of the preceding claims finther comprising a top floor covering.
29. An underfloor heating system as claimed in any one of the preceding claims further comprising a damp-proof membrane below the base layer and/or acoustic insulation
30. A method for installing an underfloor heating system, the method comprising the steps of laying an impervious base layer and pipe retention means on a substrate, sec:uring one or more pipes to the base layer by said pipe retention means and applying a fluid-like screed over the base layer and pipe(s).
31. A method as claimed in claim 3 0 ftnther comprising the step of connecting detachable edging to the base layer.
32. A method as claimed in claim 30 or claim 31 wherein the base layer is provided in sections that are connected together prior to securement of the pipes and application of the screed.
33. A method as claimed in claim 30, 31 or 32 further comprising routing the pipe(s) between spaced apart upstanding nodules that form part of the retention means provided on the base layer.
34. A method as claimed in claim 33 further comprising laying an overlay flap over the nodules of the base layer and securing the flap by fitting complimentary caps over the nodules.
35. A method as claimed in any one of claims 30 to 34 wherein the screed is flow applied by means of a pump or by manual techniques.
36. A method as claimed in claim 35 wherein the screed is pumped onto the base layer and pipes by automated pump equipment.
37. A method as claimed in any one of claims 30 to 36 further comprising laying a top floor covering over the dried screed.
38. An underfloor heating system substantially as hereinbefore described and with reference to Figures 1 to 4 of the accompanying drawings.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0015808.9A GB0015808D0 (en) | 2000-06-28 | 2000-06-28 | An improved underfloor heating system and a method of installing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0114057D0 GB0114057D0 (en) | 2001-08-01 |
| GB2364565A true GB2364565A (en) | 2002-01-30 |
Family
ID=9894557
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB0015808.9A Ceased GB0015808D0 (en) | 2000-06-28 | 2000-06-28 | An improved underfloor heating system and a method of installing the same |
| GB0114057A Withdrawn GB2364565A (en) | 2000-06-28 | 2001-06-11 | A reduced thickness underfloor heating system and a method of installing the same |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB0015808.9A Ceased GB0015808D0 (en) | 2000-06-28 | 2000-06-28 | An improved underfloor heating system and a method of installing the same |
Country Status (1)
| Country | Link |
|---|---|
| GB (2) | GB0015808D0 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110047907A1 (en) * | 2009-08-28 | 2011-03-03 | DZT Industries, LLC | Method and apparatus for positioning heating elements |
| WO2017025462A1 (en) * | 2015-08-10 | 2017-02-16 | Progress Profiles Spa | Supporting structure for heating elements of radiating floors and coverings |
| US9625163B2 (en) | 2014-08-18 | 2017-04-18 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US9719265B2 (en) | 2015-03-17 | 2017-08-01 | Progress Profiles Spa | Floor underlayment for positioning heating elements |
| US9726383B1 (en) * | 2016-06-17 | 2017-08-08 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
| USD813421S1 (en) | 2009-08-28 | 2018-03-20 | Progress Profiles Spa | Floor underlayment |
| EP3431885A1 (en) * | 2017-07-21 | 2019-01-23 | Timoleon Limited | Surface heat-transfer apparatus and method for providing it |
| US10215423B2 (en) | 2014-08-18 | 2019-02-26 | Progress Profiles S.P.A. | Method and apparatus for positioning heating elements |
| US10859274B2 (en) | 2016-04-01 | 2020-12-08 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
| USD971449S1 (en) | 2016-04-13 | 2022-11-29 | Progress Profiles S.P.A. | Floor underlayment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0131329A2 (en) * | 1983-07-07 | 1985-01-16 | Ivo Nelissen | Floor heating system |
| WO1988001664A1 (en) * | 1986-08-25 | 1988-03-10 | Elektromeister Strobach Gmbh | Multi-purpose building element |
| EP0618409A2 (en) * | 1993-03-31 | 1994-10-05 | Roth Werke GmbH | Under floor heating system for floors |
| EP0786570A1 (en) * | 1994-10-11 | 1997-07-30 | Yuki Japan Co., Ltd. | Method of installing floor heating apparatus |
-
2000
- 2000-06-28 GB GBGB0015808.9A patent/GB0015808D0/en not_active Ceased
-
2001
- 2001-06-11 GB GB0114057A patent/GB2364565A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0131329A2 (en) * | 1983-07-07 | 1985-01-16 | Ivo Nelissen | Floor heating system |
| WO1988001664A1 (en) * | 1986-08-25 | 1988-03-10 | Elektromeister Strobach Gmbh | Multi-purpose building element |
| EP0618409A2 (en) * | 1993-03-31 | 1994-10-05 | Roth Werke GmbH | Under floor heating system for floors |
| EP0786570A1 (en) * | 1994-10-11 | 1997-07-30 | Yuki Japan Co., Ltd. | Method of installing floor heating apparatus |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD797957S1 (en) | 2009-08-28 | 2017-09-19 | Progress Profiles S.P.A. | Floor underlayment |
| USD813421S1 (en) | 2009-08-28 | 2018-03-20 | Progress Profiles Spa | Floor underlayment |
| US9416979B2 (en) | 2009-08-28 | 2016-08-16 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US9518746B2 (en) | 2009-08-28 | 2016-12-13 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US10006644B2 (en) | 2009-08-28 | 2018-06-26 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US11041638B2 (en) | 2009-08-28 | 2021-06-22 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US9188348B2 (en) * | 2009-08-28 | 2015-11-17 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US20110047907A1 (en) * | 2009-08-28 | 2011-03-03 | DZT Industries, LLC | Method and apparatus for positioning heating elements |
| US11846432B2 (en) | 2009-08-28 | 2023-12-19 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US9777931B2 (en) | 2014-08-18 | 2017-10-03 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US9625163B2 (en) | 2014-08-18 | 2017-04-18 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US10408469B2 (en) | 2014-08-18 | 2019-09-10 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US10107505B2 (en) | 2014-08-18 | 2018-10-23 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US10739016B2 (en) | 2014-08-18 | 2020-08-11 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US10215423B2 (en) | 2014-08-18 | 2019-02-26 | Progress Profiles S.P.A. | Method and apparatus for positioning heating elements |
| US10712020B2 (en) | 2014-08-18 | 2020-07-14 | Progress Profiles Spa | Method and apparatus for positioning heating elements |
| US9719265B2 (en) | 2015-03-17 | 2017-08-01 | Progress Profiles Spa | Floor underlayment for positioning heating elements |
| WO2017025462A1 (en) * | 2015-08-10 | 2017-02-16 | Progress Profiles Spa | Supporting structure for heating elements of radiating floors and coverings |
| US10502434B2 (en) | 2016-04-01 | 2019-12-10 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
| US10859274B2 (en) | 2016-04-01 | 2020-12-08 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
| USD872901S1 (en) | 2016-04-13 | 2020-01-14 | Progress Profiles S.P.A. | Floor underlayment |
| USD874028S1 (en) | 2016-04-13 | 2020-01-28 | Progress Profiles S.P.A. | Floor underlayment |
| USD880732S1 (en) | 2016-04-13 | 2020-04-07 | Progress Profiles S.P.A. | Floor underlayment |
| USD841837S1 (en) | 2016-04-13 | 2019-02-26 | Progress Profiles S.P.A. | Floor underlayment |
| USD971449S1 (en) | 2016-04-13 | 2022-11-29 | Progress Profiles S.P.A. | Floor underlayment |
| US9726383B1 (en) * | 2016-06-17 | 2017-08-08 | Progress Profiles S.P.A. | Support for radiant covering and floor heating elements |
| EP3431885A1 (en) * | 2017-07-21 | 2019-01-23 | Timoleon Limited | Surface heat-transfer apparatus and method for providing it |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0015808D0 (en) | 2000-08-23 |
| GB0114057D0 (en) | 2001-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |