Log In
Sign Up
Find a Lawyer
Ask a Lawyer
Research the Law
Law Schools
Laws & Regs
Newsletters
Marketing Solutions
Justia Connect
Pro Membership
Basic Membership
Justia Lawyer Directory
Platinum Placements
Gold Placements
Justia Elevate
SEO
Websites
Blogs
Justia Amplify
PPC Management
Google Business Profile
Social Media
Justia Onward Blog
Justia
Patents
Environmental Heating And Cooling; Fluid Handling And Sanitary Equipment Patents
Heating Or Cooling Patents
Element Or Attachment, Not Elsewhere Specified Patents (Class D23/386)
Element Or Attachment, Not Elsewhere Specified Patents (Class D23/386)
Flow director (29) (Class D23/387)
Register or diffuser (Class D23/388)
Vent, ductwork, or element thereof (Class D23/393)
Radiator cover or cabinet (Class D23/395)
Stoker (Class D23/396)
Grate (Class D23/397)
Fireplace type (30) (Class D23/398)
Stove or furnace type (Class D23/402)
Fireplace element not elsewhere specified (Class D23/403)
Mantle or frame for opening (Class D23/404)
Lining or enclosure for opening (31) (Class D23/405)
Andiron or fire dog (Class D23/407)
Artificial log burner element (Class D23/409)
Coal scuttle or wood holder (Class D23/410)
Fan element (Class D23/411)
Fan guard (Class D23/412)
Fan or ventilator blade (Class D23/413)
Burner or heater coil (Class D23/415)
Oil type (Class D23/416)
Electric (Class D23/417)
Element (Class D23/418)
Ash pan or sifter (Class D23/420)
Valve or control (Class D23/421)
Fire brick (Class D23/422)
End clip for a heat exchanger tube cleaning shuttle brush retaining basket
Patent number:
D292309
Type:
Grant
Filed:
February 11, 1985
Date of Patent:
October 13, 1987
Assignee:
Water Services of America, Inc.
Inventor:
Walter J. Baron
Screen frame for vehicle rooftop ventilators
Patent number:
D295313
Type:
Grant
Filed:
November 4, 1985
Date of Patent:
April 19, 1988
Inventor:
Timothy J. Barnett
Heater and air conditioner manifold for a recreational vehicle or the like
Patent number:
D296466
Type:
Grant
Filed:
May 13, 1985
Date of Patent:
June 28, 1988
Assignee:
Acme Radiator & Air Conditioning, Inc.
Inventor:
David P. Gratton
Water deflection shield for ventilator intake apertures
Patent number:
D296584
Type:
Grant
Filed:
November 14, 1985
Date of Patent:
July 5, 1988
Inventor:
William E. Hilton
Finned heat exchanger for electronic equipment
Patent number:
D302853
Type:
Grant
Filed:
September 9, 1985
Date of Patent:
August 15, 1989
Assignee:
Mitsubishi Denki Kabushiki Kaisha
Inventors:
Nobuyoshi Takahashi, Yoshihiko Yamamoto, Masao Fujii, Yu Seshimo
Aroma-generating record-type disc
Patent number:
D303833
Type:
Grant
Filed:
May 31, 1983
Date of Patent:
October 3, 1989
Inventor:
Donald Spector
Ceramic heating element
Patent number:
D304230
Type:
Grant
Filed:
October 21, 1987
Date of Patent:
October 24, 1989
Inventor:
Tim Wang
Electric heating element
Patent number:
D304492
Type:
Grant
Filed:
September 11, 1986
Date of Patent:
November 7, 1989
Inventor:
Terri Tiitinen
Heat exchanger
Patent number:
D304855
Type:
Grant
Filed:
August 19, 1985
Date of Patent:
November 28, 1989
Assignee:
Sanden Corporation
Inventor:
Hisao Aoki
Heat exchanger
Patent number:
D304856
Type:
Grant
Filed:
August 19, 1985
Date of Patent:
November 28, 1989
Assignee:
Sanden Corporation
Inventor:
Hisao Aoki
Protective cover for a fan of a convection oven
Patent number:
D306205
Type:
Grant
Filed:
October 23, 1986
Date of Patent:
February 20, 1990
Assignee:
Aktiebolaget Electrolux
Inventors:
Per E. Pettersson, Inge Dahlgren
Damper lever
Patent number:
D309347
Type:
Grant
Filed:
October 13, 1988
Date of Patent:
July 17, 1990
Assignee:
American Metal Products Company
Inventor:
Douglas S. Brown
Housing for mounting a plurality of infrared heating lamps
Patent number:
D310562
Type:
Grant
Filed:
August 5, 1986
Date of Patent:
September 11, 1990
Assignee:
Itronic Process AB
Inventor:
Jurgen Socha
Water cooler
Patent number:
D311248
Type:
Grant
Filed:
February 25, 1988
Date of Patent:
October 9, 1990
Inventor:
John W. Hall
Infrared heat reflector
Patent number:
D312125
Type:
Grant
Filed:
June 23, 1987
Date of Patent:
November 13, 1990
Assignee:
Epner Technology Incorporated
Inventors:
David Epner, John Harvey
Elbow cover for insulated pipework
Patent number:
D312499
Type:
Grant
Filed:
February 23, 1988
Date of Patent:
November 27, 1990
Assignee:
Yamato Kogyo Kabushiki Kaisha
Inventor:
Kazuo Karakawa
Rotary actuator for a damper
Patent number:
D313650
Type:
Grant
Filed:
December 21, 1987
Date of Patent:
January 8, 1991
Assignee:
Kreuter Mfg. Co., Inc.
Inventor:
Larry G. Odegaard
Finned heat exchanger plate
Patent number:
D317500
Type:
Grant
Filed:
January 31, 1986
Date of Patent:
June 11, 1991
Assignee:
Hidaka Engineering Co., Ltd.
Inventor:
Shuji Ueda
Evaporator panel to be wrapped around a solar and other atmospheric energy sources hot water heater
Patent number:
D320649
Type:
Grant
Filed:
February 8, 1989
Date of Patent:
October 8, 1991
Assignee:
Siddons Ramset Limited
Inventor:
Mark G. Fleming
Toilet seat heating pad
Patent number:
D322850
Type:
Grant
Filed:
September 19, 1990
Date of Patent:
December 31, 1991
Inventor:
Manuel M. Madrigal
Ventilation grill for windows
Patent number:
D324421
Type:
Grant
Filed:
October 18, 1990
Date of Patent:
March 3, 1992
Assignee:
Van der Sluijs Beheer B.V.
Inventor:
Willem D. Arbouw
Heating element for use in residences preferably of baths and boarding to be placed standing free before a wall
Patent number:
D325967
Type:
Grant
Filed:
March 14, 1990
Date of Patent:
May 5, 1992
Assignee:
Zehnder Verkaufs-und Verwaltungs AG
Inventors:
Richard Dieterle, Peter Kriese
Evaporator casing for the heat exchanger of an air conditioner
Patent number:
D328337
Type:
Grant
Filed:
July 19, 1991
Date of Patent:
July 28, 1992
Inventor:
Jeffrey B. Johnson
Fireplace heat exchange unit
Patent number:
D330076
Type:
Grant
Filed:
March 12, 1991
Date of Patent:
October 6, 1992
Inventor:
Dennis D. Evans
Heating element for use in bath or boarding residences to be placed standing free before a wall
Patent number:
D330416
Type:
Grant
Filed:
March 14, 1990
Date of Patent:
October 20, 1992
Assignee:
Zehnder Verkaufs-und Verwaltungs AG
Inventors:
Richard Dieterle, Peter Kriese
Fin for use in a fin and tube heating exchanger in an air conditioner
Patent number:
D330760
Type:
Grant
Filed:
February 24, 1989
Date of Patent:
November 3, 1992
Assignee:
Mitsubishi Denki Kabushiki Kaisha
Inventors:
Takayuki Yoshida, Tomohumi Tezuka, Masao Huzii
Fin for use in a fin and tube heat exchanger in an air conditioner
Patent number:
D331624
Type:
Grant
Filed:
February 24, 1989
Date of Patent:
December 8, 1992
Assignee:
Mitsubishi Denki Kabushiki Kaisha
Inventors:
Takayuki Yoshida, Tomohumi Tezuka, Masao Huzii
End cover for a custom fit insulation jacket
Patent number:
D336128
Type:
Grant
Filed:
October 2, 1990
Date of Patent:
June 1, 1993
Inventor:
Daniel B. Sherrill
Combined lid and fan unit for use with a cup
Patent number:
D338262
Type:
Grant
Filed:
January 7, 1991
Date of Patent:
August 10, 1993
Assignee:
Samuel C. Oliphant
Inventors:
Samuel C. Oliphant, David E. Gormley
Freezer ambient air exchange device
Patent number:
D338524
Type:
Grant
Filed:
April 24, 1992
Date of Patent:
August 17, 1993
Inventors:
Lars Allestad, Oscar Allestad
Combined hot air drying and fan unit for use on a printing press
Patent number:
D338713
Type:
Grant
Filed:
July 21, 1992
Date of Patent:
August 24, 1993
Assignee:
CSB Corporation
Inventors:
Clifford E. Cox, David N. Clay
Back plate for a hot water baseboard heating unit
Patent number:
D339414
Type:
Grant
Filed:
May 15, 1992
Date of Patent:
September 14, 1993
Assignee:
Mestek, Inc.
Inventors:
John E. Reed, Ray L. Bull
Bracket for a hot water baseboard heating unit
Patent number:
D340110
Type:
Grant
Filed:
May 15, 1992
Date of Patent:
October 5, 1993
Assignee:
Mestek, Inc.
Inventors:
John E. Reed, Ray L. Bull
Air diffuser guard
Patent number:
D340281
Type:
Grant
Filed:
September 30, 1992
Date of Patent:
October 12, 1993
Inventor:
Mike T. Callas
Automatic climate control unit for mounting on automobile dashboards or floors
Patent number:
D341653
Type:
Grant
Filed:
September 5, 1991
Date of Patent:
November 23, 1993
Assignee:
Interdynamics, Inc.
Inventors:
Peter Byar, John Ruhland
Ceiling fan dust collector cover for blades
Patent number:
D341881
Type:
Grant
Filed:
December 9, 1991
Date of Patent:
November 30, 1993
Inventors:
Jerry L. Smith, Barbara A. Smith
Oil heat exchanger
Patent number:
D342125
Type:
Grant
Filed:
June 19, 1992
Date of Patent:
December 7, 1993
Inventor:
Elmer D. Miller
Floor furnace grill guard
Patent number:
D342128
Type:
Grant
Filed:
April 6, 1990
Date of Patent:
December 7, 1993
Inventor:
Jerry L. Stover
Combined dryer and defogger for a bathroom mirror
Patent number:
D347275
Type:
Grant
Filed:
October 7, 1991
Date of Patent:
May 24, 1994
Inventor:
Russell G. Lovell
Solar unit for use in stock tanks and small ponds to keep water in unfrozen state in winter so animals may drink it
Patent number:
D348313
Type:
Grant
Filed:
January 21, 1992
Date of Patent:
June 28, 1994
Inventor:
Henry S. Saruwatari
Protective cover for insulated pipes
Patent number:
D348723
Type:
Grant
Filed:
March 5, 1991
Date of Patent:
July 12, 1994
Inventor:
Ricky W. Carroll
prev
…
2
3
4
5
6