US3135040A - Prefabricated heating structure and method of installing - Google Patents

Prefabricated heating structure and method of installing Download PDF

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Publication number
US3135040A
US3135040A US169193A US16919362A US3135040A US 3135040 A US3135040 A US 3135040A US 169193 A US169193 A US 169193A US 16919362 A US16919362 A US 16919362A US 3135040 A US3135040 A US 3135040A
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Prior art keywords
wire
carrier
heating
heating structure
installing
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Expired - Lifetime
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US169193A
Inventor
Lee M Watson
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Singer Co
Easy Heat Inc
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Singer Co
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Publication date
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Priority to US169193A priority Critical patent/US3135040A/en
Priority to US291547A priority patent/US3235712A/en
Application granted granted Critical
Publication of US3135040A publication Critical patent/US3135040A/en
Anticipated expiration legal-status Critical
Assigned to BRISTOL CORPORATION reassignment BRISTOL CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). MAY 23, 1980. Assignors: BRISTOL PRODUCTS, INC.
Assigned to EASY HEAT, INC., A CORP. OF IN reassignment EASY HEAT, INC., A CORP. OF IN ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BRISTOL CORPORATION A CORP. OF IN
Expired - Lifetime legal-status Critical Current

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    • 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
    • F24D13/00—Electric heating systems
    • F24D13/02—Electric heating systems solely using resistance heating, e.g. underfloor 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]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49082—Resistor making
    • Y10T29/49087—Resistor making with envelope or housing

Definitions

  • the present invention relates to a heating structure for use in building constructions and to a method of making and installing the heating structure.
  • Still another object of the invention is to provide a heating structure which consists of a coarse mesh, nonmetallic material with strands of insulated heating wire adhered thereto and which is secured to a supporting surface such as a ceiling or sub-floor by an adhesive material.
  • a further object of the invention is to provide a heating structure of the aforesaid type which, after being applied to the supporting structure, does not interfere with satisfactory installation or application of the final coat or layer of cement, plaster, masonry, paint or other compositions of these types.
  • Another object of the invention is to provide a heating structure for incorporation in building structures and the like, which can be readily manufactured in plant facilities, rolled or folded into compact packages for easy handling and shipping, and which can be applied to the ceiling structure in large, sheet-like layers over wide areas of various sizes and shapes.
  • Another object is to provide amethod of fabricating and installing a heating structure of the foregoing type embodying the present novel structure.
  • FIGURE 1 is a plan view of one form of the present heating structure showing it in condition for installing in a ceiling or floor structure;
  • FIGURE 2 is an enlarged fragmentary plan view of the heating structure shown in FIGURE 1;
  • FIGURE 3 is a further enlarged, fragmentary view of the heating structure shown in FIGURES l and 2, taken on line 3-3 of FIGURE 2;
  • FIGURE 4 is a cross sectional view through the he-at-'
  • the heating structure shown in FIGURE 1 consists of a carrier 10 of a fabric-like material of coarse mesh, numerals 12 and 14 designating the warp and the woof of the fabric.
  • the coarse mesh material illustrated in FIGURE 2 is actual size and shows a spacing of the intersecting strands of approximately one-fourth of an inch, a spacing which has been found suitable for most installations.
  • a heating element wire 16 is mounted on and secured to the carrier by thermoplastic material in any desired pattern to give the required heating characteristic of the installation.
  • the foregoing structure is extremely flexible and may be rolled or folded for handling and shipping, and may be installed easily around corners and readily mounted on curved and angular surfaces.
  • the heating wire 16 consists of a resistance wire 20 of copper, bronze or brass coated with a thermoplastic insulating material, 22 and is placed on carrier 10 in any predetermined pattern, the one shown consisting of parallel strands 24 connected by curved portions 26 at the ends of strands 24.
  • Various other configurations of the heating wire may be made to satisfy requirements.
  • the ends of the heating wire preferably extend over the same edge or end of carrier 10 and are connected to cold wires 28 and 30, which in turn are connected to a source of electrical current.
  • a series of the panel-type structures shown in FIGURE 1 may be mounted on a ceiling or floor surface and connected by common cold wires to the current source.
  • the carrier preferably consists of fiberglass strands 12 and 14 treated with polyvinyl chloride, such as plastisol, either before or after the heating element wire has been applied thereto, the plastisol being applied primarily for the purpose of maintaining the fiberglass in the proper mesh form and preventing fraying of the fiberglass.
  • polyvinyl chloride such as plastisol
  • electric heating element wire is placed on the fiberglass embraced at the points of contact by the insulating maavailable on the market.
  • the composite structure is treated with a sizing compound or primer of such composition thatit becomes fully dry and non-tacky so that the structure can be handled and shipped without the contacting parts of the structure adhering to one another.
  • a suitable material for this purpose' consists of a nitrile base adhesive readily After the nitrile material, for example, has been applied to the material and permitted to set, a composite structure can then be rolled or folded and prepared for shipment.
  • FIGURE illustrates the installation of the heating structure on the ceiling with the wires 1.6 on the upper side of the carrier and FIGURE 6 illustrates the installation with the wire on the underside of the carrier, the latter arrangement being preferred,
  • the material will react with the sizing agent or primer after the adhesive has been applied to the ceiling to produce an effective bond between these materials to secure the heating structure to the ceiling.
  • Another requirement for the adhesive and primer is the non-interference with the application of the external or final layer 40 of the ceiling.
  • the carrier may be of various shapes and sizes, and the heating element Wire may be placed thereon in any desired configuration to satisfy requirements.
  • the heating structure After the heating structure has been assembled, it can be applied directly to the ceiling after the adhesive material has been applied thereto and easily folded or pressed into various configurations to conform to the contour of the wall, including corners, beams, and pipes and conduitsto completely enclose these structures with a satisfactory electrical heating system.
  • a method of installing a heating structure consisting of sections of resistance wire comprising coating said Wire with a thick layer of insulating material, mounting said wire in a predetermined pattern on a carrier, pressing the insulating material of said wire on said carrier to secure the wire to the carrier, coating said carrier and insulated wire with an adhesive primer, coating the surface to which the heating structure is to be applied with a tacky ad hesive, and pressing said carrier against the adhesively coated surface.

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  • 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)
  • Central Heating Systems (AREA)
  • Surface Heating Bodies (AREA)

Description

June 2, 1964 M. WATSON 3,135,040
FREFABRICATEZD HEATING STRUCTURE AND METHOD OF INSTALLING Filed Jan. 29. 1962 2 Sheets-Sheet 1 INVENTOR.
LEE M WATSON BYiE ATTORNEYS June 2, 1964 L. M. WATSON 3,135,040
FREFABRICATED HEATING STRUCTURE AND METHOD OF INSTALLING Filed Jan. 29, 1962 2 Sheets-Sheet 2 INVENTOR.
LEE M. WATSON ATTORNEYS United States Patent 3,135,040 1 I PREFABRICATED HEATING STRUCTURE AND METHOD OF INSTALLING Lee M. Watson, South Bend, Ind., assignor, by mesne assignments, to The Singer Company, New York, N.Y., a corporation of New Jersey Filed Jan. 29, 1962, Ser. No. 169,193 2 Claims. (Cl. 29-155.62)
The present invention relates to a heating structure for use in building constructions and to a method of making and installing the heating structure.
Electrical heating for homes and oflices and industrial buildings is becoming one of the principal types used today, and in view of the many advantages of this type of heating, including cleanliness, space saving and being service free, it will in all probability become increasingly popular, particularly in new construction and in extensive remodeling of old structures. While electrical panels adapted to be installed as units have been tried and are eing used to a limited extent, this type has certain inherent disadvantages, particularly lack of versatility and adaptability to various types of construction and space size and shape. The trend therefore has been in the direction of embedding individual wires in the masonry or plaster ceilings or floors. This type of installation, while versatile and readily adaptable to any type of heating requirements, involves the tedious operation of stringing and securing the individual strands to a partially completed ceiling orfloor before the final coating or layer of the ceiling or floor structure is applied. Various types of frames or the like, such as wire mesh, carrying the heating wire have been tried, but these are often difficult to install, expensive and not sutficiently versatile to permit their general use in all types of building structures. It is therefore one of the principal objects of the present invention to provide a prefabricated heating structure for buildings and the like, in which the heating wires can easily and readily be arranged to any desired predetermined pattern or configuration, and which can be secured firmly to a prepared surface by merely pressing the strucing construction, either new or old, which can be effectively used in plaster, masonry and dry-wall construction and which can be left exposed or fully enclosed or embedded in the floor or ceiling construction with only a relatively thin layer of material.
Still another object of the invention is to provide a heating structure which consists of a coarse mesh, nonmetallic material with strands of insulated heating wire adhered thereto and which is secured to a supporting surface such as a ceiling or sub-floor by an adhesive material. I
A further object of the invention is to provide a heating structure of the aforesaid type which, after being applied to the supporting structure, does not interfere with satisfactory installation or application of the final coat or layer of cement, plaster, masonry, paint or other compositions of these types.
Another object of the invention is to provide a heating structure for incorporation in building structures and the like, which can be readily manufactured in plant facilities, rolled or folded into compact packages for easy handling and shipping, and which can be applied to the ceiling structure in large, sheet-like layers over wide areas of various sizes and shapes.
Another object is to provide amethod of fabricating and installing a heating structure of the foregoing type embodying the present novel structure. I Additional objects and advantages of the present inventron will become apparent from the following descrip tion and accompanying drawings, wherein:
FIGURE 1 is a plan view of one form of the present heating structure showing it in condition for installing in a ceiling or floor structure;
FIGURE 2 is an enlarged fragmentary plan view of the heating structure shown in FIGURE 1;
FIGURE 3 is a further enlarged, fragmentary view of the heating structure shown in FIGURES l and 2, taken on line 3-3 of FIGURE 2;
FIGURE 4 is a cross sectional view through the he-at-' Referring more specifically to the drawings, the heating structure shown in FIGURE 1 consists of a carrier 10 of a fabric-like material of coarse mesh, numerals 12 and 14 designating the warp and the woof of the fabric. The coarse mesh material illustrated in FIGURE 2 is actual size and shows a spacing of the intersecting strands of approximately one-fourth of an inch, a spacing which has been found suitable for most installations. A heating element wire 16 is mounted on and secured to the carrier by thermoplastic material in any desired pattern to give the required heating characteristic of the installation. The foregoing structure is extremely flexible and may be rolled or folded for handling and shipping, and may be installed easily around corners and readily mounted on curved and angular surfaces.
The heating wire 16 consists of a resistance wire 20 of copper, bronze or brass coated with a thermoplastic insulating material, 22 and is placed on carrier 10 in any predetermined pattern, the one shown consisting of parallel strands 24 connected by curved portions 26 at the ends of strands 24. Various other configurations of the heating wire may be made to satisfy requirements. The ends of the heating wire preferably extend over the same edge or end of carrier 10 and are connected to cold wires 28 and 30, which in turn are connected to a source of electrical current. A series of the panel-type structures shown in FIGURE 1 may be mounted on a ceiling or floor surface and connected by common cold wires to the current source.
The carrier preferably consists of fiberglass strands 12 and 14 treated with polyvinyl chloride, such as plastisol, either before or after the heating element wire has been applied thereto, the plastisol being applied primarily for the purpose of maintaining the fiberglass in the proper mesh form and preventing fraying of the fiberglass. The
electric heating element wire is placed on the fiberglass embraced at the points of contact by the insulating maavailable on the market.
Wire and also to provide adequate insulation 'on the wire at the joints between the wire and carrier. It is not necessary for the insulating material to completely enclose the strands,.but rather that it extend around the strands sulficiently to, in efifect, lock the strands in the slot created thereby, the locking effect being produced by the flow of insulating material at points 32 and 34 inwardly toward one another sufficiently to form a restricted slot 36 in which the strands are firmly held. This construction produces a rugged structure which can be handled, shipped and applied to the ceiling or floor structure without the heating wire being displaced or the structure otherwise damaged.
After the heating wire and carrier have been assembled and secured to one another, as shown in FIGURES 3 and 4, the composite structure is treated with a sizing compound or primer of such composition thatit becomes fully dry and non-tacky so that the structure can be handled and shipped without the contacting parts of the structure adhering to one another. A suitable material for this purpose'consists of a nitrile base adhesive readily After the nitrile material, for example, has been applied to the material and permitted to set, a composite structure can then be rolled or folded and prepared for shipment.
When an installation is to be made using the foregoing composite structure, the surface of the masonry or plaster sublayer 38 of the ceiling or floor is coated with a layer of V adhesive material, such as liquid neoprene base adhesive and, while the layer is still tacky, the composite heating structure .with the previously applied primer is pressed against the coated surface. As soon as the composite 1 structure comes in contact with the tacky adhesive material, the primer or sizing agent on the composite structure is reactivated, causing the structure to adhere to the surface. After the adhesive has set and become dry, the composite structure adheres firmly to the ceiling surface. The type of material mentioned herein does not interfere with the subsequent application of a layer of plaster, cement, heavy base paint orother similar materials for enclosing the heating structure. FIGURE illustrates the installation of the heating structure on the ceiling with the wires 1.6 on the upper side of the carrier and FIGURE 6 illustrates the installation with the wire on the underside of the carrier, the latter arrangement being preferred,
particularly when an external coat or layer 40 is applied to the ceiling surface to enclose the heating element,
material will react with the sizing agent or primer after the adhesive has been applied to the ceiling to produce an effective bond between these materials to secure the heating structure to the ceiling. Another requirement for the adhesive and primer is the non-interference with the application of the external or final layer 40 of the ceiling.
It is seen from the foregoing description that the carriermay be of various shapes and sizes, and the heating element Wire may be placed thereon in any desired configuration to satisfy requirements. After the heating structure has been assembled, it can be applied directly to the ceiling after the adhesive material has been applied thereto and easily folded or pressed into various configurations to conform to the contour of the wall, including corners, beams, and pipes and conduitsto completely enclose these structures with a satisfactory electrical heating system.
While only one specific embodiment of the present invention has been described in detail herein, various changes in the structure and materials used therein can be made without departing from the scope of the invention.
I claim: 1. A method of producing a heatingstructure having sections of resistance wire, comprising coating said wire' with a thick layer of thermoplastic insulating material,
mounting said wire in a predetermined pattern on a carrier of coar e meshed strands, pressing the insulating material of said wire on said carrier until said material substan-' tially embraces the strands at the points of contact there- 1 with, coating said carrier and insulated Wire with an adhesive primer, coating the surface to which the heating structure is to be applied with a tacky adhesive, and pressing said carrier and said insulated wire against the adhesive'ly coated surface. 1 v
2. A method of installing a heating structure consisting of sections of resistance wire, comprising coating said Wire with a thick layer of insulating material, mounting said wire in a predetermined pattern on a carrier, pressing the insulating material of said wire on said carrier to secure the wire to the carrier, coating said carrier and insulated wire with an adhesive primer, coating the surface to which the heating structure is to be applied with a tacky ad hesive, and pressing said carrier against the adhesively coated surface.
9 References Cited in the file of this patent UNITED STATES PATENTS Theodore et al. Nov. 21, 1961

Claims (1)

  1. 2. A METHOD OF INSTALLING A HEATING STRUCTURE CONSISTING OF SECTIONS OF RESISTANCE WIRE, COMPRISING COATING SAID WIRE WITH A THICK LAYER OF INSULATING MATERIAL, MOUNTING SAID WIRE IN A PREDETERMINED PATTERN ON A CARRIER, PRESSING THE INSULATING MATERIAL OF SAID WIRE ON SAID CARRIER TO SECURE THE WIRE TO THE CARRIER, COATING SAID CARRIER AN INSULATED WIRE WITH AN ADHESIVE PRIMER, COATING THE SURFACE TO WHICH THE HEATING STRUCTURE IS TO BE APPLIED WITH A TACKY ADHESIVE, AND PRESSING SAID CARRIER AGAINST THE ADHESIVELY COATED SURFACE.
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US291547A US3235712A (en) 1962-01-29 1963-06-28 Prefabricated flexible heating structure

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436816A (en) * 1965-10-22 1969-04-08 Jerome H Lemelson Method of making heat transfer panelling
US6883590B1 (en) * 1998-11-23 2005-04-26 Plan Holding Gmbh Self-supporting, modular prefabricated radiating panel
US20070140050A1 (en) * 2005-12-19 2007-06-21 Dave Humphrey Enterprises, Inc. Concrete slurry tank
US20090139689A1 (en) * 2006-09-20 2009-06-04 Doo Nyun Kim Side panel for heating room and construction process
US20110047907A1 (en) * 2009-08-28 2011-03-03 DZT Industries, LLC 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
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
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
USD1036243S1 (en) 2020-10-09 2024-07-23 Progress Profiles S.P.A. Floor underlayment
USD1036242S1 (en) 2020-04-22 2024-07-23 Progress Profiles S.P.A. Floor underlayment
USD1036979S1 (en) 2020-04-06 2024-07-30 Progress Profiles S.P.A. Floor underlayment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1369919A (en) * 1920-03-19 1921-03-01 Oscar H Eliel Hermetically-sealed casket
US2741692A (en) * 1952-11-26 1956-04-10 Goodrich Co B F Electrically heated protective covering for an airfoil and method of making the covering
US2859322A (en) * 1956-07-19 1958-11-04 Curtiss Wright Corp Laminated heating structure
US2862097A (en) * 1954-06-03 1958-11-25 Negromanti Antonio Electrically heated fabrics
US2942330A (en) * 1952-11-26 1960-06-28 Goodrich Co B F Method of making an electrically heated protective covering for an airfoil
US2979595A (en) * 1961-04-11 deacon
US2990607A (en) * 1954-06-03 1961-07-04 Negromanti Antonio Method of producing electric heating pads
US3010007A (en) * 1959-05-25 1961-11-21 Electric Parts Corp Flexible radiant heating panel

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979595A (en) * 1961-04-11 deacon
US1369919A (en) * 1920-03-19 1921-03-01 Oscar H Eliel Hermetically-sealed casket
US2741692A (en) * 1952-11-26 1956-04-10 Goodrich Co B F Electrically heated protective covering for an airfoil and method of making the covering
US2942330A (en) * 1952-11-26 1960-06-28 Goodrich Co B F Method of making an electrically heated protective covering for an airfoil
US2862097A (en) * 1954-06-03 1958-11-25 Negromanti Antonio Electrically heated fabrics
US2990607A (en) * 1954-06-03 1961-07-04 Negromanti Antonio Method of producing electric heating pads
US2859322A (en) * 1956-07-19 1958-11-04 Curtiss Wright Corp Laminated heating structure
US3010007A (en) * 1959-05-25 1961-11-21 Electric Parts Corp Flexible radiant heating panel

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3436816A (en) * 1965-10-22 1969-04-08 Jerome H Lemelson Method of making heat transfer panelling
US6883590B1 (en) * 1998-11-23 2005-04-26 Plan Holding Gmbh Self-supporting, modular prefabricated radiating panel
US20070140050A1 (en) * 2005-12-19 2007-06-21 Dave Humphrey Enterprises, Inc. Concrete slurry tank
US20090139689A1 (en) * 2006-09-20 2009-06-04 Doo Nyun Kim Side panel for heating room and construction process
US10006644B2 (en) 2009-08-28 2018-06-26 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
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
US11846432B2 (en) 2009-08-28 2023-12-19 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
USD797957S1 (en) 2009-08-28 2017-09-19 Progress Profiles S.P.A. Floor underlayment
US20180299140A1 (en) * 2009-08-28 2018-10-18 Progress Profiles Spa Method and apparatus for positioning heating elements
USD813421S1 (en) 2009-08-28 2018-03-20 Progress Profiles Spa Floor underlayment
US10215423B2 (en) 2014-08-18 2019-02-26 Progress Profiles S.P.A. Method and apparatus for positioning heating elements
US12044417B2 (en) 2014-08-18 2024-07-23 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
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
US10739016B2 (en) 2014-08-18 2020-08-11 Progress Profiles Spa 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
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
USD971449S1 (en) 2016-04-13 2022-11-29 Progress Profiles S.P.A. Floor underlayment
USD841837S1 (en) 2016-04-13 2019-02-26 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
USD1036979S1 (en) 2020-04-06 2024-07-30 Progress Profiles S.P.A. Floor underlayment
USD1036242S1 (en) 2020-04-22 2024-07-23 Progress Profiles S.P.A. Floor underlayment
USD1036243S1 (en) 2020-10-09 2024-07-23 Progress Profiles S.P.A. Floor underlayment

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Owner name: BRISTOL CORPORATION

Free format text: CHANGE OF NAME;ASSIGNOR:BRISTOL PRODUCTS, INC.;REEL/FRAME:004051/0016

Effective date: 19800520

AS Assignment

Owner name: EASY HEAT, INC., 31977 U.S. 20 EAST NEW CARLISLE,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BRISTOL CORPORATION A CORP. OF IN;REEL/FRAME:004162/0337

Effective date: 19830706