Liquid Immersion Type, E.g., Aquarium, Swimming Pool, Etc. (24) Patents (Class D23/316)
  • Aquarium heater
    Patent number: D516191
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: February 28, 2006
    Assignee: Hydor srl
    Inventors: Valerio Bresolin, Giancarlo Baron
  • Aquarium water heater
    Patent number: D537928
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: March 6, 2007
    Assignee: Aquarium Pharmaceuticals, Inc.
    Inventor: Philippe Francois Renoud-Grappin
  • Small approved aquarium heater
    Patent number: D484959
    Type: Grant
    Filed: January 7, 2003
    Date of Patent: January 6, 2004
    Assignee: Farrar Group, Inc.
    Inventor: Paul Jennings
  • Water heater for tubs and the like
    Patent number: D303567
    Type: Grant
    Filed: November 1, 1983
    Date of Patent: September 19, 1989
    Assignee: Hollbaugh Manufacturing Company, Inc.
    Inventor: James E. Kingston
  • Automatic aquarium heater
    Patent number: D309008
    Type: Grant
    Filed: January 14, 1987
    Date of Patent: July 3, 1990
    Assignee: Newa S.R.L.
    Inventor: Antonio Strada
  • Heat pump for swimming pools
    Patent number: D595821
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: July 7, 2009
    Assignee: P.S.A.
    Inventor: Francois Buron
  • Immersion apparatus for heat production
    Patent number: D596724
    Type: Grant
    Filed: May 30, 2008
    Date of Patent: July 21, 2009
    Inventor: Mitchell R. Swartz
  • Electric tank heater
    Patent number: D604815
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: November 24, 2009
    Assignee: Petrostar Petroleum Corporation
    Inventor: Robert A. Sim
  • Level sensor and heating unit
    Patent number: D619688
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: July 13, 2010
    Assignee: Wema-System AS
    Inventor: Øystein Gismervik
  • Level sensor and heating unit
    Patent number: D621015
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: August 3, 2010
    Assignee: Wema-System AS
    Inventor: Øystein Gismervik
  • Level sensor and heating unit
    Patent number: D622833
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: August 31, 2010
    Assignee: Wema-System AS
    Inventor: Øystein Gismervik
  • Level sensor and heating unit
    Patent number: D625396
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: October 12, 2010
    Assignee: Wema-System AS
    Inventor: Øystein Gismervik
  • Heat pump for swimming pools
    Patent number: D627041
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: November 9, 2010
    Assignee: Zodiac Pool Care Europe
    Inventor: Frederic Fournier
  • Aquarium heater
    Patent number: D381409
    Type: Grant
    Filed: June 14, 1995
    Date of Patent: July 22, 1997
    Assignee: Warner-Lambert Company
    Inventors: Gene Fleischer, Abraham Leibson
  • Pool and spa water heater
    Patent number: D397191
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: August 18, 1998
    Assignee: Sta-Rite Industries, Inc.
    Inventors: William M. Kralovec, Paul T. King
  • Immersion apparatus to heat a solution
    Patent number: D413659
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: September 7, 1999
    Inventor: Mitchell R. Swartz
  • Manifold
    Patent number: D420420
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: February 8, 2000
    Inventor: Roy Heine
  • Heater
    Patent number: D689597
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: September 10, 2013
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventors: Wang Wu, Zhiqiang Zhao
  • Heater
    Patent number: D718849
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: December 2, 2014
    Assignee: Elive LLC
    Inventors: Thomas Lutz, Matthew Allen
  • Floating heating device for pools and spas
    Patent number: D728764
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: May 5, 2015
    Assignee: Solar Sun Rings, Inc.
    Inventors: Lora Rosene, Richard Rosene
  • Floating heating device for pools and spas
    Patent number: D730503
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: May 26, 2015
    Assignee: Solar Sun Rings, Inc.
    Inventors: Lora Rosene, Richard Rosene
  • Heat exchanger assembly
    Patent number: D740402
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 6, 2015
    Inventor: Harry Dean Kassel
  • Heat exchanger assembly
    Patent number: D740403
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: October 6, 2015
    Inventor: Harry Dean Kassel
  • Heater for aquaria
    Patent number: D757916
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: May 31, 2016
    Assignee: Newa Tecno Industria S.R.L.
    Inventor: Fabio Bellia
  • Livestock water trough heater
    Patent number: D826485
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: August 21, 2018
    Assignee: Miller Manufacturing Company
    Inventors: Michael D. Maher, Shaun A. Sapala
  • Portable boiling water heater
    Patent number: D907751
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: January 12, 2021
    Assignee: Perfect Union Co., Ltd.
    Inventor: Ching Chan
  • Bird bath heater
    Patent number: D959624
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: August 2, 2022
    Inventor: Longhua Zhang
  • Protective shell for heating rod
    Patent number: D988497
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: June 6, 2023
    Inventors: Huichao Wang, Longbao Wang
  • Water heater
    Patent number: D990642
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: June 27, 2023
    Inventor: Yu Xie
  • Aquarium heater
    Patent number: D998115
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: September 5, 2023
    Assignee: shenzhen fengruite technology limited
    Inventor: Ju Huang
  • Bird bath heater
    Patent number: D1006967
    Type: Grant
    Filed: July 18, 2023
    Date of Patent: December 5, 2023
    Inventor: Jiping Liao
  • Bird bath heater
    Patent number: D1017780
    Type: Grant
    Filed: September 5, 2023
    Date of Patent: March 12, 2024
    Assignee: Guilin Huasheng Electronic Technology Co., Ltd.
    Inventor: Xiaolian Chen
  • Bird bath heater
    Patent number: D1020120
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: March 26, 2024
    Assignee: HONG KONG YOUNG BROTHER INTERNATIONAL GROUP LIMITED
    Inventor: Yong Wu
  • Aquarium heater
    Patent number: D1054000
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: December 10, 2024
    Inventor: JiLin Chen
  • Fish pond ice melting device
    Patent number: D1059559
    Type: Grant
    Filed: July 22, 2024
    Date of Patent: January 28, 2025
    Inventor: Jiping Liao
  • De-icer
    Patent number: D1064214
    Type: Grant
    Filed: August 28, 2023
    Date of Patent: February 25, 2025
    Inventor: Shan Wu
  • Main body of immersion heater
    Patent number: D1069057
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: April 1, 2025
    Inventor: Jianfeng Chen
  • Main body of immersion heater
    Patent number: D1069058
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: April 1, 2025
    Inventor: Jianfeng Chen
  • Main body of immersion heater
    Patent number: D1069059
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: April 1, 2025
    Inventor: Jianfeng Chen