Circular Patents (Class D23/390)
  • Airflow screen
    Patent number: D502990
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: March 15, 2005
    Assignee: Ground Control Systems, Inc.
    Inventor: James M. Morris, III
  • Air flow reducer disk
    Patent number: D524435
    Type: Grant
    Filed: April 25, 2005
    Date of Patent: July 4, 2006
    Inventors: Patrick M. Linn, Dennis P. Linn
  • Convection cover for cooking appliance
    Patent number: D524600
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: July 11, 2006
    Assignee: Maytag Corporation
    Inventors: Kerry O. Austin, Thu-Ha Duncan, Steven M. Haring, Steven M. Swayne
  • Deflection register for air conditioning system device
    Patent number: D527812
    Type: Grant
    Filed: September 26, 2003
    Date of Patent: September 5, 2006
    Inventor: Carlton E. Brown
  • Instrument panel register
    Patent number: D468008
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: December 31, 2002
    Assignee: Ultra Manufacturing Limited
    Inventors: Jason Fraser, Jan Caragea, Joseph D'Angelo
  • Air vent
    Patent number: D547432
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: July 24, 2007
    Assignee: Seiho International, Inc.
    Inventor: Keisuke Nishizawa
  • Air flow directing fixture for heating, air conditioning and ventilation devices
    Patent number: D549815
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: August 28, 2007
    Inventor: Timothy M. Murphy
  • Vent intake
    Patent number: D563542
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: March 4, 2008
    Assignee: Fantech Inc.
    Inventor: Ola Wettergren
  • Air diffuser
    Patent number: D317819
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: June 25, 1991
    Assignee: Soft Construction AB
    Inventor: Bengt Sello
  • Infrared detector mirror
    Patent number: D328875
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: August 25, 1992
    Assignee: C & K Systems, Inc.
    Inventor: Joseph R. Perkins
  • Air diffuser
    Patent number: D338265
    Type: Grant
    Filed: January 22, 1992
    Date of Patent: August 10, 1993
    Assignee: Napier-Reid Ltd.
    Inventor: M. J. Timothy Otton
  • Air distributor for a percussive fluid-activated apparatus
    Patent number: D338266
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: August 10, 1993
    Assignee: Ingersoll-Rand Company
    Inventor: Robert R. Kimberlin
  • Louver
    Patent number: D370723
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: June 11, 1996
    Assignee: Seiho International, Inc.
    Inventor: Keisuke Nishizawa
  • Air duct
    Patent number: D393709
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: April 21, 1998
    Assignee: Seiho International, Inc.
    Inventor: Keisuke Nishizawa
  • Supply air device
    Patent number: D398975
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: September 29, 1998
    Assignee: Air Innovation Sweden AB
    Inventor: Bernt Nystrom
  • Supply air device
    Patent number: D399939
    Type: Grant
    Filed: November 14, 1997
    Date of Patent: October 20, 1998
    Assignee: Air Innovation Sweden AB
    Inventor: Bernt Nystrom
  • Deflection register for air conditioning system device
    Patent number: D427303
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: June 27, 2000
    Inventor: Carlton E. Brown
  • Air directing apparatus
    Patent number: D681796
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: May 7, 2013
    Assignee: Kiss Nail Products, Inc.
    Inventors: Kyusang Han, Kyoung Hak Lee, Won Seok Oh
  • Bath fan with speaker
    Patent number: D752199
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: March 22, 2016
    Assignee: Homewerks Worldwide, LLC
    Inventors: Peter D. Berkman, Michael Malaker, Jeffrey Jon Pischke
  • Diffuser grid
    Patent number: D764652
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: August 23, 2016
    Assignee: EBM-PAPST MULFINGEN GMBH & CO. KG
    Inventors: Christian Weiss, Sven Beck, Oliver Haaf
  • Flow grid
    Patent number: D775721
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: January 3, 2017
    Assignee: EBM-PAPST MULFINGEN GMBH & CO. KG
    Inventors: Jens Müller, Daniel Gebert, Oliver Haaf, Josef Rathgeb, Manuel Vogel
  • Flow grid
    Patent number: D776250
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: January 10, 2017
    Assignee: EBM-PAPST MULFINGEN GMBH & CO. KG
    Inventors: Jens Müller, Daniel Gebert, Oliver Haaf, Josef Rathgeb, Manuel Vogel
  • Cover for air purifier with humidifier
    Patent number: D807494
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: January 9, 2018
    Assignee: LG ELECTRONICS INC.
    Inventors: Joosang Kim, Sungkyong Han, Yoojeung Han, Sehwan Bae
  • Cover for air purifier
    Patent number: D838355
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: January 15, 2019
    Assignee: LG ELECTRONICS INC.
    Inventors: Kyeongchul Cho, Seungho Baek, Yoojeung Han, Chinsoo Hyon
  • Exhaust fan screen
    Patent number: D881373
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: April 14, 2020
    Inventor: Steven S. Wagner
  • Air vent cap
    Patent number: D919076
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: May 11, 2021
    Assignee: DOOSAN INFRACORE CO., LTD.
    Inventors: Seula Choi, Minki Kim, Yoojeung Lim, Sunwook Kwack
  • Quick connect adapter for a jet boat pump
    Patent number: D993987
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: August 1, 2023
    Inventor: Donald Holmes