Circular Or Cylindrical Housing Patents (Class D23/336)
  • Parabolic electric heater
    Patent number: D437036
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: January 30, 2001
    Inventor: Lee-Yeh Chen
  • Heater fan
    Patent number: D502767
    Type: Grant
    Filed: March 11, 2004
    Date of Patent: March 8, 2005
    Inventor: Frank Blateri
  • Heater fan
    Patent number: D502768
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: March 8, 2005
    Inventor: Frank Blateri
  • Heating element
    Patent number: D509291
    Type: Grant
    Filed: September 18, 2003
    Date of Patent: September 6, 2005
    Assignee: Irwin Industrial Tools Company
    Inventors: Ian Westad Cunningham, Craig Stephen Roberts
  • Heater fan
    Patent number: D514676
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: February 7, 2006
    Inventor: Frank Blateri
  • Heater fan
    Patent number: D515187
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: February 14, 2006
    Inventor: Frank Blateri
  • Electric heater
    Patent number: D454945
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: March 26, 2002
    Assignees: IC Tech Co., Ltd.
    Inventor: Gun-Young Choi
  • Parabolic heater
    Patent number: D456067
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: April 23, 2002
    Assignee: National Presto Industries, Inc.
    Inventors: Lawrence A. Kalina, Chevis J. Watkinson
  • Heater
    Patent number: D456500
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: April 30, 2002
    Assignee: National Presto Industries, Inc.
    Inventors: Lawrence A. Kalina, Chevis J. Watkinson
  • Heating apparatus
    Patent number: D457615
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: May 21, 2002
    Assignee: The Coleman Company, Inc.
    Inventors: Frank T. Schmidt, Gary P. Israel, Vernon Svitak, David Linnebur
  • Faceplate for a plug-in vaporizer
    Patent number: D535733
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: January 23, 2007
    Assignee: Warner-Lambert Company LLC
    Inventors: Barry G. Seelig, Nancy Brogden
  • Heater fan
    Patent number: D466599
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: December 3, 2002
    Assignee: Honeywell Consumer Products, Inc.
    Inventors: Timothy Bragg, Anthony Lai, William Montague, Walter G. Birdsell, Meral Middleton, Paul Metaxatos, John Schaffeld, Steffen Koury, John Brotz
  • Heating element
    Patent number: D537154
    Type: Grant
    Filed: April 14, 2005
    Date of Patent: February 20, 2007
    Assignee: Irwin Industrial Tool Company
    Inventors: Ian Westad Cunningham, Craig Stephen Roberts
  • Table top patio heater
    Patent number: D466993
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: December 10, 2002
    Inventor: Saban W. P. Chang
  • Heater
    Patent number: D467326
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: December 17, 2002
    Assignee: Lasko Holdings, Inc.
    Inventor: Barry Shapiro
  • Electrical heating device
    Patent number: D468006
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: December 31, 2002
    Inventor: Tianyu Gao
  • Warmer electric fan
    Patent number: D468414
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: January 7, 2003
    Inventor: Su-Tim Fok
  • Heater
    Patent number: D539402
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: March 27, 2007
    Assignee: Diani, LLC
    Inventor: Frank Blateri
  • Heater fan
    Patent number: D468818
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: January 14, 2003
    Assignee: Honeywell Consumer Products, Inc.
    Inventors: Luke Chuang, Anthony Lai, William Montague, Walter G. Birdsell, Meral Middleton, Paul Metaxatos, John Schaffeld, Steffen Koury, John Brotz
  • Portable heater
    Patent number: D542397
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: May 8, 2007
    Assignee: Desa IP, LLC
    Inventors: Eric Pitchford, Craig Higginbotham, Henry Haley, Griffin Bland
  • Portable heater
    Patent number: D542398
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: May 8, 2007
    Assignee: Desa IP, LLC
    Inventors: Eric Pitchford, Craig Higginbotham, Henry Haley, Griffin Bland
  • Fan heater
    Patent number: D543612
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: May 29, 2007
    Inventor: Su Tim Fok
  • Portable heater
    Patent number: D545421
    Type: Grant
    Filed: February 16, 2006
    Date of Patent: June 26, 2007
    Assignee: Desa IP, LLC
    Inventors: Eric Pitchford, Craig Higginbotham, Henry Haley, Griffin Bland
  • Patio heater
    Patent number: D474532
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: May 13, 2003
    Inventors: Neil Chan, Ader Chen
  • Electric fan heater
    Patent number: D479589
    Type: Grant
    Filed: January 27, 2003
    Date of Patent: September 9, 2003
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Takeo Koike
  • Fan heater
    Patent number: D483457
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: December 9, 2003
    Inventor: Pierce Wang
  • Parabolic electric heater
    Patent number: D312684
    Type: Grant
    Filed: October 7, 1988
    Date of Patent: December 4, 1990
    Assignee: National Presto Industries, Inc.
    Inventors: Richard L. Geissler, Roger L. Kelly
  • Fan heater
    Patent number: D319694
    Type: Grant
    Filed: August 6, 1990
    Date of Patent: September 3, 1991
    Assignee: Tatung Company of America, Inc.
    Inventor: Brent J. Wortham
  • Tiltable heater
    Patent number: D340765
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: October 26, 1993
    Assignee: The Rival Company
    Inventors: Michael S. Joss, Stanley T. Gresens
  • Blow heater
    Patent number: D341417
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: November 16, 1993
    Assignee: Sun Star United Corporation
    Inventor: Brent J. Wortham
  • Portable electric heater
    Patent number: D343231
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: January 11, 1994
    Assignee: Royal Sovereign Corp.
    Inventor: Ta K. Lim
  • Portable electric heater
    Patent number: D346017
    Type: Grant
    Filed: September 9, 1992
    Date of Patent: April 12, 1994
    Assignee: Royal Sovereign Corp.
    Inventor: Ta K. Lim
  • Portable electrical heater
    Patent number: D347683
    Type: Grant
    Filed: March 18, 1990
    Date of Patent: June 7, 1994
    Assignee: Duracraft Corporation
    Inventors: Bernard Chiu, Jui-Shang Wang, Richard M. O'Grady
  • Heater fan
    Patent number: D353660
    Type: Grant
    Filed: March 23, 1994
    Date of Patent: December 20, 1994
    Assignee: Holmes Products Corp.
    Inventor: Joseph M. Cunning
  • Portable room air purifier with horizontal grid one-piece cover and shroud
    Patent number: D365389
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: December 19, 1995
    Assignee: Honeywell Inc.
    Inventor: Paul B. Williams
  • Portable electric heater
    Patent number: D374712
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: October 15, 1996
    Assignee: Duracraft Corporation
    Inventors: Rodney B. Jane, Johnson Peng, Robert L. Marvin, Jr.
  • Ceiling fan heater
    Patent number: D381074
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: July 15, 1997
    Assignee: Pelonis USA, Ltd.
    Inventor: Kosta L. Pelonis
  • Heater
    Patent number: D382951
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: August 26, 1997
    Assignee: The Coleman Company, Inc.
    Inventors: Robert R. Deines, Robert D. Taff, Clyde R. Schulte, Stuart L. Meether, Douglas A. Lynn
  • Portable campfire holder
    Patent number: D390935
    Type: Grant
    Filed: May 30, 1996
    Date of Patent: February 17, 1998
    Inventors: Wendy L. Bosje, John Bosje
  • Portable electric fan-heater
    Patent number: D397192
    Type: Grant
    Filed: March 27, 1995
    Date of Patent: August 18, 1998
    Assignee: Honeywell Consumer Products, Inc.
    Inventors: Bernard Chiu, Jui-Shang Wang
  • Air cleaner
    Patent number: D397197
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: August 18, 1998
    Assignee: Teac Corporation
    Inventors: Masafumi Ito, Shigeru Hasegawa
  • Air cleaner
    Patent number: D398045
    Type: Grant
    Filed: November 7, 1996
    Date of Patent: September 8, 1998
    Assignee: Honeywell Consumer Products, Inc.
    Inventors: Rodney Jane, Robert Senn, Stephen Gatchell, Andrew Parker, Eddie Irani, Scott Osiecki, Robert Marvin, Richard O'Grady
  • Ceiling fan heater
    Patent number: D404123
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: January 12, 1999
    Inventor: Kosta L. Pelonis
  • Portable ceramic heater
    Patent number: D410074
    Type: Grant
    Filed: July 22, 1998
    Date of Patent: May 18, 1999
    Inventor: Eliza Lee
  • Body dryer
    Patent number: D414296
    Type: Grant
    Filed: July 9, 1998
    Date of Patent: September 21, 1999
    Inventor: Johnnie M Trammell
  • Housing for an outdoor gas construction heater
    Patent number: D417492
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: December 7, 1999
    Assignee: Desa International
    Inventors: John R. Willey, Eric M. Kaltenmark, Ricky J. Fielder
  • Portable vehicle interior heater
    Patent number: D418910
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: January 11, 2000
    Inventor: Richard L Gould
  • Ceramic disc furnace
    Patent number: D422067
    Type: Grant
    Filed: June 4, 1999
    Date of Patent: March 28, 2000
    Inventor: Eliza Lee
  • Heating apparatus
    Patent number: D429803
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: August 22, 2000
    Assignee: The Coleman Company, Inc.
    Inventor: Franklin T. Schmidt
  • Heater for use with a ceiling fan
    Patent number: D435094
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: December 12, 2000
    Assignee: Chien Luen Industries Co., Ltd.
    Inventor: John C. Bucher