US3280907A - Energy transfer device - Google Patents

Energy transfer device Download PDF

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Publication number
US3280907A
US3280907A US393640A US39364064A US3280907A US 3280907 A US3280907 A US 3280907A US 393640 A US393640 A US 393640A US 39364064 A US39364064 A US 39364064A US 3280907 A US3280907 A US 3280907A
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energy
energy transfer
transfer device
mass
transport
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US393640A
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Hoffman Sidney
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/40—Mountings or securing means for detachable cooling or heating arrangements ; fixed by friction, plugs or springs
    • H01L23/4093—Snap-on arrangements, e.g. clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/20—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being attachable to the element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Definitions

  • This invention relates to energy transfer devices and more particularly and specifically to energy transfer through a conductive material coated with a select film.
  • FIG. 1 is a perspective view of the energy transfer device showing the basic embodiment of my invention.
  • FIG. 2 is an end view section of the device.
  • FIG. 3 is another perspective view with an extension attachment in position.
  • FIG. 4 is a section view of a split ring shank configuration.
  • FIG. 5, FIG. 6, FIG. 7, and FIG. 8 show how mating sections are secured together.
  • FIG, 9 is a symbolic illustration of mass energy transfer from a mass energy body utilizing a multiplicity of energy transfer elements.
  • my energy transfer device is illustrated as an elongated mass 11 having energy transfer surfaces 12 peripherally disposed.
  • the center mass 13 forms the transport for the energy dissipated through the peripheral surfaces 12.
  • the energy source or the energy sink hereafter referred to as the energy body, provides the energy supply for transport.
  • the energy body 14 may be contained integral within the energy transfer device as shown in FIG. 2 or may be attached to the energy transfer device through a transport extension 15 as shown in FIG. 3.
  • the energy transfer device is formed from material having high energy conductivity preferably aluminum, although other suitable metals, alloys, etc. may be employed.
  • an additional coating 16 on the exterior surface provides for the energy transfer device protection from as well as contamination to the environment.
  • a suitable protective film material is Teflon. Other satisfactory films may be other plastics, paints, metals, etc.
  • the energy transfer device is fabricated to provide suitable provision to accommodate the energy body 14 or the transport extension 15, respectively, by a variety of fastening techniques including press fit, soldering, bolting, etc.
  • fastening techniques including press fit, soldering, bolting, etc.
  • a shank with a split ring configuration 17 is the feature of the energy transfer device variation in FIG. 4.
  • the shank is sprung open to accept the compatible energy body 18 to be fitted within.
  • Spring pressure action insures a snug fit requiring no additional fastening element and provides low contact coefficient loss between the materials.
  • FIG. 5 shows how mating sections 19 and 20 are joined together with suitable fastening elements.
  • Spring clips 21 are passed into slots 22 provided on adjacent surfaces 23- and 24. In this way, the energy transfer device with a compatible opening may be easily sandwiched about a fixed energy body.
  • Bolts, rivets, springs, etc. are other securing elements.
  • FIG. 9 presents a symbolic representation of an energy dissipation system utilizing these elements.
  • the mass material energy body has a multiplicity of insertion openings 31 to accept energy transport extension and energy transfer devices 32 in a flexible and variable pattern for a variety of energy transfer configurations.
  • a heat transfer device for implementing the interchange of heat between an environment and a body to be heated comprising a slender rod of aluminum having a handle portion and a piercing portion, a plurality of peripherally disposed fins forming part of a heat transfer mass that is removably secured about said handle portion, said fins being longitudinally disposed with respect to the axis of the rod, the piercing portion of said rod being tapered at the end furthest removed from the handle portion for insertion into a body, said rod and said heat transfer mass being coated with Teflon whereby said device will be protected from environmental contamination.

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electroplating Methods And Accessories (AREA)

Description

Oct. 25, 1966 s. HOFFMAN 3,
ENERGY TRANSFER DEVICE Filed Sept. 1, 1964 INVENTOR.
BY SAM Hewmm United States Patent f 3,280,907 ENERGY TRANSFER DEVICE Sidney Hoffman, 157 Finrnor Drive, White Plains, N.Y. Filed Sept. 1, 1964, Ser. No. 393,640 1 Claim. (Cl. 165-185) This invention relates to energy transfer devices and more particularly and specifically to energy transfer through a conductive material coated with a select film.
It is the object of this invention to provide novel energy transfer devices to accumulate energy for energy transfer from an energy body, a source or a sink, by conduction, radiation, and convection.
It is another object of this invention to form the external surfaces from a conductive material coated with a select film to be inert to fluids, gases, and acids of the energy environment.
It is another object of this invention to provide for energy transfer from a more remote energy body with an energy transfer device with a transport extention.
It is another object of this invention to furnish this energy transfer device with some human safety protection, to permit easy handling and to prevent injury from contact.
Other objects and features of my invention will become apparent from the following detailed description of certain embodiments when considered with the accompanying drawing.
FIG. 1 is a perspective view of the energy transfer device showing the basic embodiment of my invention.
FIG. 2 is an end view section of the device.
FIG. 3 is another perspective view with an extension attachment in position.
FIG. 4 is a section view of a split ring shank configuration.
FIG. 5, FIG. 6, FIG. 7, and FIG. 8 show how mating sections are secured together.
FIG, 9 is a symbolic illustration of mass energy transfer from a mass energy body utilizing a multiplicity of energy transfer elements.
In FIG. 1, my energy transfer device is illustrated as an elongated mass 11 having energy transfer surfaces 12 peripherally disposed. The center mass 13 forms the transport for the energy dissipated through the peripheral surfaces 12.
The energy source or the energy sink, hereafter referred to as the energy body, provides the energy supply for transport. The energy body 14 may be contained integral within the energy transfer device as shown in FIG. 2 or may be attached to the energy transfer device through a transport extension 15 as shown in FIG. 3.
Energy potential differences produce the fiow phenomenon between the energy body and the external environment of the energy transfer device. The energy will flow from high potential to low potential. Therefore, principally, the rate of action of energy transfer is dependent on the environment, the surface area configuration, and the conductivity of the material of composition. Hence, the energy transfer device is formed from material having high energy conductivity preferably aluminum, although other suitable metals, alloys, etc. may be employed.
Furthermore, an additional coating 16 on the exterior surface provides for the energy transfer device protection from as well as contamination to the environment. A suitable protective film material is Teflon. Other satisfactory films may be other plastics, paints, metals, etc.
Referring again to FIG. 2 and FIG. 3, the energy transfer device is fabricated to provide suitable provision to accommodate the energy body 14 or the transport extension 15, respectively, by a variety of fastening techniques including press fit, soldering, bolting, etc. Some 3,280,997 Patented Oct. 25, 1966 typical energy bodies are transport rods, tube walls, energy conversion devices, electrical elements, thermal elements, chemical reactions, nuclear instrumentalities, etc.
A shank with a split ring configuration 17 is the feature of the energy transfer device variation in FIG. 4.
The shank is sprung open to accept the compatible energy body 18 to be fitted within. Spring pressure action insures a snug fit requiring no additional fastening element and provides low contact coefficient loss between the materials.
FIG. 5 shows how mating sections 19 and 20 are joined together with suitable fastening elements. Spring clips 21 are passed into slots 22 provided on adjacent surfaces 23- and 24. In this way, the energy transfer device with a compatible opening may be easily sandwiched about a fixed energy body. Bolts, rivets, springs, etc. are other securing elements.
Slide U-shaped clips 25 hold adjacent surfaces 23 and 24 together in FIG. 6. In FIG. 7, an adjustable compression ring 26 peripherally mounted at intervals along the surface provides still another fastening procedure. Locking dovetail keys 27 may be driven into the dovetail keyways 28 to draw and to hold the mating sections 29 and 30 together, in FIG. 8.
FIG. 9 presents a symbolic representation of an energy dissipation system utilizing these elements. The mass material energy body has a multiplicity of insertion openings 31 to accept energy transport extension and energy transfer devices 32 in a flexible and variable pattern for a variety of energy transfer configurations.
While the specific embodiment of my invention has been shown and described in detail to illustrate the application of the invention principles, it will be understood that the invention may be embodied otherwise without departing from such principles.
I claim:
A heat transfer device for implementing the interchange of heat between an environment and a body to be heated comprising a slender rod of aluminum having a handle portion and a piercing portion, a plurality of peripherally disposed fins forming part of a heat transfer mass that is removably secured about said handle portion, said fins being longitudinally disposed with respect to the axis of the rod, the piercing portion of said rod being tapered at the end furthest removed from the handle portion for insertion into a body, said rod and said heat transfer mass being coated with Teflon whereby said device will be protected from environmental contamination.
References Cited by the Examiner UNITED STATES PATENTS 2,651,251 9/1953 Brown 62-293 X 2,653,800 9/1953 Anton -47 X 2,726,850 12/1955 Buongirno 165181 X 2,838,740 6/1958 Larky et al. 165-185 X 2,964,688 12/1960 McAdam. 2,965,819 12/1960 Rosenbaum. 2,997,858 8/1961 Perez 62-293 X FOREIGN PATENTS 1,206,000 8/ 1959 France.
11,278 9/1914 Great Britain. 313,623 4/1930 Great Britain.
OTHER REFERENCES Von Fischer et al.: Organic Protective Coatings, New York, Reinhold, 1953, page 304 relied upon.
ROBERT A. OLEARY, Primary Examiner.
FREDERICK L. MATTESON, JR., Examiner.
M. A. ANTONAKAS, Assistant Examiner.
US393640A 1964-09-01 1964-09-01 Energy transfer device Expired - Lifetime US3280907A (en)

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Cited By (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431082A (en) * 1964-11-05 1969-03-04 Battelle Development Corp Tube furnace provided with filling bodies
US3503441A (en) * 1968-04-26 1970-03-31 Siemens Ag Electrode cooling device
US3584683A (en) * 1969-04-25 1971-06-15 Jerry D Gordon Thermal spike
US3672446A (en) * 1969-01-21 1972-06-27 Airco Inc Ambient air vaporizer
US3877128A (en) * 1969-01-21 1975-04-15 Airco Inc Method of producing a finned tube heat exchanger
US4036286A (en) * 1972-11-02 1977-07-19 Mcdonnell Douglas Corporation Permafrost stabilizing heat pipe assembly
DE3040801A1 (en) * 1980-07-10 1982-02-04 Cryomec AG, Oberwil ELEMENT FOR CREATING A HEAT EXCHANGER, IN PARTICULAR FOR CRYOGENIC APPLICATIONS
US4316447A (en) * 1979-12-03 1982-02-23 Foreman Dave O Steam cooking apparatus
US4446775A (en) * 1971-10-18 1984-05-08 International Food Equipment, Inc. Apparatus for heating food products
US4526512A (en) * 1983-03-28 1985-07-02 General Electric Co. Cooling flow control device for turbine blades
US4539900A (en) * 1971-10-18 1985-09-10 International Food Equipment, Inc. Apparatus for heating food products
US4716819A (en) * 1985-05-01 1988-01-05 Pizza Hut, Inc. Heat transfer device for use in cooking pizzas
WO1988000394A1 (en) * 1986-06-30 1988-01-14 Unisys Corporation Staggered radial-fin heat sink device for integrated circuit package
US4766518A (en) * 1986-04-21 1988-08-23 Aerospatiale Societe Nationale Industrielle Box for the thermal stabilization of equipment, such as electronic components contained therein
US5060716A (en) * 1989-03-31 1991-10-29 Heine William F Heat dissipating device and combination including same
US5265596A (en) * 1991-05-02 1993-11-30 La Spirotechnique, Industrielle Et Commerciale Device for feeding breathing gas
US5305824A (en) * 1993-09-27 1994-04-26 Gasseling John B Oil filter cooler
US5406698A (en) * 1993-10-06 1995-04-18 R-Theta Inc. Apparatus for fabricating high fin density heatsinks
US5465653A (en) * 1991-04-12 1995-11-14 Riccio; Renato Spit used in cooking apparatus
US5582240A (en) * 1994-09-19 1996-12-10 Motorola, Inc. Pneumatically coupled heat sink assembly
US5893320A (en) * 1997-05-20 1999-04-13 Demaree; Michael S. Device for cooking fowl
US6157778A (en) * 1995-11-30 2000-12-05 Komatsu Ltd. Multi-temperature control system and fluid temperature control device applicable to the same system
US6487964B2 (en) 2001-01-31 2002-12-03 Innovative Culinary Concepts, L.L.C. Apparatus for cooking meat
US6557626B1 (en) 2000-01-11 2003-05-06 Molex Incorporated Heat sink retainer and Heat sink assembly using same
US6851467B1 (en) 1999-08-30 2005-02-08 Molex Incorporated Heat sink assembly
EP1538414A2 (en) 2003-12-03 2005-06-08 Twinbird Corporation Fin structure
US20050277331A1 (en) * 2004-06-14 2005-12-15 Corning Gilbert Inc. High power coaxial interconnect
US20070000395A1 (en) * 2005-06-29 2007-01-04 W.C. Bradley Company Folding device for roasting poultry on a BBQ grill
US20080044536A1 (en) * 2006-08-17 2008-02-21 Aaron Barth Cooking rod
DE10196917B4 (en) * 2000-11-20 2009-11-05 Intel Corporation, Santa Clara High performance fin construction for an air cooled heat sink
DE102009057904A1 (en) * 2009-12-11 2011-06-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Heat pipe
US20130269920A1 (en) * 2012-04-17 2013-10-17 Molex Incorporated Cooling device
US8721359B1 (en) * 2012-10-19 2014-05-13 John O. Tate Heat sink socket
US20180051432A1 (en) * 2016-08-18 2018-02-22 Ian R. Cooke Snow and Ice Melting Device, System and Corresponding Methods
US10141817B2 (en) * 2013-05-28 2018-11-27 Otis Elevator Company Cooling of machine for elevator system
USD888600S1 (en) * 2017-11-30 2020-06-30 Netta WEINROTH Sculpture
USD888599S1 (en) * 2017-11-30 2020-06-30 Netta WEINROTH Sculpture
USD888601S1 (en) * 2017-11-30 2020-06-30 Netta WEINROTH Sculpture

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191411278A (en) * 1914-05-07 1914-09-24 Frederick Harcourt Kitchin Means for Carrying Off, and Radiating the Surplus Heat Generated in Internal Combustion Engines.
GB313623A (en) * 1928-06-16 1930-04-10 Jean Franquet Improvements relating to the cooling of sparking plugs
US2651251A (en) * 1950-08-31 1953-09-08 Brown John Clark Skewer
US2653800A (en) * 1950-10-23 1953-09-29 Anton Nicholas Electron tube heat-dissipating radiator and method of fabricating same
US2726850A (en) * 1952-02-12 1955-12-13 Frank G Buongirno Hinged radiating fin for heating pipes
US2838740A (en) * 1954-07-12 1958-06-10 Larky Norbert David Heat exchanging connector
FR1206000A (en) * 1958-04-29 1960-02-05 Silec Liaisons Elec Cooling fin
US2964688A (en) * 1959-08-03 1960-12-13 Int Electronic Res Corp Heat dissipators for transistors
US2965819A (en) * 1958-08-07 1960-12-20 Rosenbaum Jacob Heat dissipating electronic mounting apparatus
US2997858A (en) * 1953-04-09 1961-08-29 Perez William Thermal cooling element

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191411278A (en) * 1914-05-07 1914-09-24 Frederick Harcourt Kitchin Means for Carrying Off, and Radiating the Surplus Heat Generated in Internal Combustion Engines.
GB313623A (en) * 1928-06-16 1930-04-10 Jean Franquet Improvements relating to the cooling of sparking plugs
US2651251A (en) * 1950-08-31 1953-09-08 Brown John Clark Skewer
US2653800A (en) * 1950-10-23 1953-09-29 Anton Nicholas Electron tube heat-dissipating radiator and method of fabricating same
US2726850A (en) * 1952-02-12 1955-12-13 Frank G Buongirno Hinged radiating fin for heating pipes
US2997858A (en) * 1953-04-09 1961-08-29 Perez William Thermal cooling element
US2838740A (en) * 1954-07-12 1958-06-10 Larky Norbert David Heat exchanging connector
FR1206000A (en) * 1958-04-29 1960-02-05 Silec Liaisons Elec Cooling fin
US2965819A (en) * 1958-08-07 1960-12-20 Rosenbaum Jacob Heat dissipating electronic mounting apparatus
US2964688A (en) * 1959-08-03 1960-12-13 Int Electronic Res Corp Heat dissipators for transistors

Cited By (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431082A (en) * 1964-11-05 1969-03-04 Battelle Development Corp Tube furnace provided with filling bodies
US3503441A (en) * 1968-04-26 1970-03-31 Siemens Ag Electrode cooling device
US3672446A (en) * 1969-01-21 1972-06-27 Airco Inc Ambient air vaporizer
US3877128A (en) * 1969-01-21 1975-04-15 Airco Inc Method of producing a finned tube heat exchanger
US3584683A (en) * 1969-04-25 1971-06-15 Jerry D Gordon Thermal spike
US4446775A (en) * 1971-10-18 1984-05-08 International Food Equipment, Inc. Apparatus for heating food products
US4539900A (en) * 1971-10-18 1985-09-10 International Food Equipment, Inc. Apparatus for heating food products
US4036286A (en) * 1972-11-02 1977-07-19 Mcdonnell Douglas Corporation Permafrost stabilizing heat pipe assembly
US4316447A (en) * 1979-12-03 1982-02-23 Foreman Dave O Steam cooking apparatus
DE3040801A1 (en) * 1980-07-10 1982-02-04 Cryomec AG, Oberwil ELEMENT FOR CREATING A HEAT EXCHANGER, IN PARTICULAR FOR CRYOGENIC APPLICATIONS
US4487256A (en) * 1980-07-10 1984-12-11 Cryomec, Inc. Cryogenic heat exchanger
US4526512A (en) * 1983-03-28 1985-07-02 General Electric Co. Cooling flow control device for turbine blades
US4716819A (en) * 1985-05-01 1988-01-05 Pizza Hut, Inc. Heat transfer device for use in cooking pizzas
US4766518A (en) * 1986-04-21 1988-08-23 Aerospatiale Societe Nationale Industrielle Box for the thermal stabilization of equipment, such as electronic components contained therein
WO1988000394A1 (en) * 1986-06-30 1988-01-14 Unisys Corporation Staggered radial-fin heat sink device for integrated circuit package
US5060716A (en) * 1989-03-31 1991-10-29 Heine William F Heat dissipating device and combination including same
US5465653A (en) * 1991-04-12 1995-11-14 Riccio; Renato Spit used in cooking apparatus
US5265596A (en) * 1991-05-02 1993-11-30 La Spirotechnique, Industrielle Et Commerciale Device for feeding breathing gas
US5305824A (en) * 1993-09-27 1994-04-26 Gasseling John B Oil filter cooler
US5406698A (en) * 1993-10-06 1995-04-18 R-Theta Inc. Apparatus for fabricating high fin density heatsinks
US5638715A (en) * 1993-10-06 1997-06-17 R-Theta Inc. Method and apparatus for fabricating high fin density heatsinks
US5582240A (en) * 1994-09-19 1996-12-10 Motorola, Inc. Pneumatically coupled heat sink assembly
US6157778A (en) * 1995-11-30 2000-12-05 Komatsu Ltd. Multi-temperature control system and fluid temperature control device applicable to the same system
US5893320A (en) * 1997-05-20 1999-04-13 Demaree; Michael S. Device for cooking fowl
US6851467B1 (en) 1999-08-30 2005-02-08 Molex Incorporated Heat sink assembly
US6557626B1 (en) 2000-01-11 2003-05-06 Molex Incorporated Heat sink retainer and Heat sink assembly using same
DE10196917B4 (en) * 2000-11-20 2009-11-05 Intel Corporation, Santa Clara High performance fin construction for an air cooled heat sink
US20070107605A1 (en) * 2001-01-31 2007-05-17 Scharbo Ronald W Apparatus for cooking meat
US6487964B2 (en) 2001-01-31 2002-12-03 Innovative Culinary Concepts, L.L.C. Apparatus for cooking meat
US20050039609A1 (en) * 2001-01-31 2005-02-24 Scharbo Ronald William Apparatus for cooking meat
US20030035874A1 (en) * 2001-01-31 2003-02-20 Snoke Phillip Jack Apparatus for cooking meat and methods of cooking same
US7144596B2 (en) 2001-01-31 2006-12-05 Innovative Culinary Concepts, Llc Apparatus for cooking meat and methods of cooking same
US7146905B2 (en) 2001-01-31 2006-12-12 Innovative Culinary Concepts, Llc Apparatus for cooking meat
EP1538414A2 (en) 2003-12-03 2005-06-08 Twinbird Corporation Fin structure
EP1538414A3 (en) * 2003-12-03 2008-03-05 Twinbird Corporation Fin structure
US20060258209A1 (en) * 2004-06-14 2006-11-16 Hall Richard D High power coaxial interconnect
US7128604B2 (en) * 2004-06-14 2006-10-31 Corning Gilbert Inc. High power coaxial interconnect
US7478475B2 (en) 2004-06-14 2009-01-20 Corning Gilbert Inc. Method of assembling coaxial connector
US20050277331A1 (en) * 2004-06-14 2005-12-15 Corning Gilbert Inc. High power coaxial interconnect
US7516693B2 (en) 2005-06-29 2009-04-14 W.C. Bradley Company Folding device for roasting poultry on a BBQ grill
US20070000395A1 (en) * 2005-06-29 2007-01-04 W.C. Bradley Company Folding device for roasting poultry on a BBQ grill
US20080044536A1 (en) * 2006-08-17 2008-02-21 Aaron Barth Cooking rod
DE102009057904A1 (en) * 2009-12-11 2011-06-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Heat pipe
US20160081225A1 (en) * 2012-04-17 2016-03-17 Molex, Llc Stackable rotated heat sink
US20130269920A1 (en) * 2012-04-17 2013-10-17 Molex Incorporated Cooling device
US8721359B1 (en) * 2012-10-19 2014-05-13 John O. Tate Heat sink socket
US10141817B2 (en) * 2013-05-28 2018-11-27 Otis Elevator Company Cooling of machine for elevator system
US20180051432A1 (en) * 2016-08-18 2018-02-22 Ian R. Cooke Snow and Ice Melting Device, System and Corresponding Methods
US10988904B2 (en) * 2016-08-18 2021-04-27 Ian R. Cooke Snow and ice melting device, system and corresponding methods
USD888600S1 (en) * 2017-11-30 2020-06-30 Netta WEINROTH Sculpture
USD888599S1 (en) * 2017-11-30 2020-06-30 Netta WEINROTH Sculpture
USD888601S1 (en) * 2017-11-30 2020-06-30 Netta WEINROTH Sculpture

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