Domestic Water Heater Or Boiler Patents (Class D23/318)
Boiler (Class D23/319)
With door or access panel (Class D23/320)
With discharge valve or tap (Class D23/321)
Element (Class D23/322)
  • Water heater enclosure
    Patent number: D532497
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: November 21, 2006
    Assignee: Emerson Electric Co.
    Inventors: Lisa M. Engel, Nancy Wulf, Terrence Snyder, Gary Swetish
  • Boiler
    Patent number: D532878
    Type: Grant
    Filed: March 21, 2006
    Date of Patent: November 28, 2006
    Assignee: SGL Italia S.r.l.
    Inventor: Virginio Cortese
  • Portable water heater
    Patent number: D533263
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: December 5, 2006
    Assignee: PVI Industries, LLC
    Inventor: John M. Peckham
  • Outdoor water heater
    Patent number: D533928
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: December 19, 2006
    Assignee: Rinnai Corporation
    Inventors: Katsunori Maegawa, Tetsuya Higuchi, Hiroaki Higashijima
  • Gas water heater
    Patent number: D570973
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: June 10, 2008
    Assignee: Noritz Corporation
    Inventors: Teizo Nanbu, Tomofumi Kinugasa, Akira Tsutsumi, Satoshi Kawaguchi
  • Gas water heater
    Patent number: D570974
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: June 10, 2008
    Assignee: Noritz Corporation
    Inventors: Teizo Nanbu, Tomofumi Kinugasa, Akira Tsutsumi, Satoshi Kawaguchi
  • Gas water heater
    Patent number: D570975
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: June 10, 2008
    Assignee: Noritz Corporation
    Inventors: Teizo Nanbu, Tomofumi Kinugasa, Akira Tsutsumi, Satoshi Kawaguchi
  • Gas water heater
    Patent number: D570976
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: June 10, 2008
    Assignee: Noritz Corporation
    Inventors: Teizo Nanbu, Tomofumi Kinugasa, Akira Tsutsumi, Satoshi Kawaguchi
  • Combined solar panel and hot water heater
    Patent number: D571905
    Type: Grant
    Filed: September 14, 2006
    Date of Patent: June 24, 2008
    Inventor: Constantin Melios
  • Water heater
    Patent number: D573239
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: July 15, 2008
    Assignee: A. O. Smith Enterprises Ltd.
    Inventors: Larry Nestor Chanasyk, Jawed Anwar
  • Chassis for water heater
    Patent number: D587359
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: February 24, 2009
    Assignee: Calentadores de America, S. de R.L. de C.V.
    Inventors: Rocio Meza Diaz, Carlos Silva Imilan
  • Water heater
    Patent number: D602139
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: October 13, 2009
    Assignee: The Gemini Trust
    Inventor: Flemming Elvin-Jensen
  • Water heater
    Patent number: D603491
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: November 3, 2009
    Assignee: Calentadores De America S. De R.L. De. C.V.
    Inventors: Gilberto Sanchez Villalobos, Maria Guadalupe Ruiz Mayen
  • Water heater
    Patent number: D603492
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: November 3, 2009
    Assignee: Calentadores de America S. de R.L. de C.V.
    Inventors: Moises Alejandro Avina Lopez, Alejandro Sanchez Gonzalez
  • 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
  • Hybrid electric water heater
    Patent number: D605263
    Type: Grant
    Filed: February 13, 2009
    Date of Patent: December 1, 2009
    Assignee: General Electric Company
    Inventors: Jonathan D. Nelson, Norman J. Boulard, Susan Elizabeth Gregory
  • Water heater containment tank
    Patent number: D615177
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: May 4, 2010
    Inventor: Robert J. Reeder
  • Outer case for water heater
    Patent number: D616535
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: May 25, 2010
    Assignee: Kyungdong Navien Co., Ltd.
    Inventor: Chi Young Lee
  • Family water heater
    Patent number: D616536
    Type: Grant
    Filed: August 7, 2009
    Date of Patent: May 25, 2010
    Assignee: Kyungdong Navien Co., Ltd.
    Inventor: Chi Young Lee
  • Water Heater
    Patent number: D632768
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: February 15, 2011
    Assignee: A. O. Smith Enterprises Ltd.
    Inventors: Larry Nestor Chanasyk, Jawed Anwar
  • Integral heat pump and hot water dispenser
    Patent number: D638528
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: May 24, 2011
    Assignee: GD Midea Holding Co., Ltd.
    Inventors: Yuan Zhou, Weibiao Zheng
  • Water heater for a water purifier in a sink
    Patent number: D641460
    Type: Grant
    Filed: December 29, 2010
    Date of Patent: July 12, 2011
    Assignee: Woongjin Coway Co., Ltd.
    Inventor: Hun Jung Choi
  • Water heater
    Patent number: D644307
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: August 30, 2011
    Assignee: A. O. Smith Enterprises Ltd.
    Inventors: Larry Nestor Chanasyk, Jawed Anwar
  • Integral heat pump and hot water dispenser
    Patent number: D646104
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: October 4, 2011
    Assignee: Midea Group Co., Ltd.
    Inventors: Yuan Zhou, Weibiao Zheng
  • Water heater
    Patent number: D646367
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: October 4, 2011
    Assignee: Franke Aquarotter AG
    Inventors: Thomas Knörck, Hagen Hennecke
  • Solar water heater
    Patent number: D652494
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: January 17, 2012
    Assignee: Aguasol APS
    Inventors: Morten Fuur, Flemming Fogh, Peter Christian Boldsen
  • Water tank of solar water heater
    Patent number: D665063
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: August 7, 2012
    Assignee: Honeywell (China) Co., Ltd.
    Inventors: Ke Zhang, Yongkui Yu, Hongda Li, Weihao Chen
  • Integral heat pump and hot water dispenser
    Patent number: D665483
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: August 14, 2012
    Assignee: GD Midea Holding Co., Ltd.
    Inventors: Hongjian Fu, Weibiao Zheng
  • Tank with a tankless water heater
    Patent number: D679787
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: April 9, 2013
    Assignee: Miclau-S.R.I. Inc.
    Inventor: Claude Lesage
  • Water heater
    Patent number: D696389
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: December 24, 2013
    Assignee: Calentadores de America, S.A. de C.V.
    Inventors: Daniel K. Harden, Kyle Andrew Buzzard
  • Hybrid heat pump water heater
    Patent number: D709603
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: July 22, 2014
    Inventors: Randeep Pal, Sunil Sinha, Jaspreet Pal
  • Portable water heater
    Patent number: D726294
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: April 7, 2015
    Inventor: Joseph G. Bacigalupo
  • Heating device
    Patent number: D766409
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: September 13, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Mottscheller
  • Heating device
    Patent number: D768831
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 11, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Turber, Markus Mottscheller, Sven Lüdicke
  • Heating device
    Patent number: D768832
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 11, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Mottscheller
  • Heating device
    Patent number: D769425
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 18, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Mottscheller
  • Heating device
    Patent number: D769426
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 18, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Turber, Markus Mottscheller, Sven Lüdicke
  • Heating device
    Patent number: D769427
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 18, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Mottscheller
  • Heating device
    Patent number: D769428
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 18, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Mottscheller
  • Heating device
    Patent number: D769429
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: October 18, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Turber, Markus Mottscheller, Sven Lüdicke
  • Heating device
    Patent number: D770021
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: October 25, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Turber, Markus Mottscheller, Sven Lüdicke
  • Heating device
    Patent number: D770604
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: November 1, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Mottscheller, Markus Turber, Sven Lüdicke
  • Heating device
    Patent number: D773020
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: November 29, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Christian Buettner, Markus Turber, Markus Mottscheller, Sven Lüdicke
  • Hot water boiler
    Patent number: D787655
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: May 23, 2017
    Assignee: Kyungdong Navien Co., Ltd.
    Inventors: Gye Ho Hwang, Eun Cheuk Woo
  • Hot water boiler
    Patent number: D788275
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: May 30, 2017
    Assignee: Kyungdong Navien Co., Ltd.
    Inventors: Gye Ho Hwang, Eun Cheuk Woo
  • Hot water heater assembly
    Patent number: D799650
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: October 10, 2017
    Assignee: Rinnai America Corporation
    Inventors: Scott Gilman Humphrey, Jose Luis Aponte Keillor
  • Water heater
    Patent number: D804623
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: December 5, 2017
    Assignee: NORITZ CORPORATION
    Inventors: Hideki Yamaguchi, Hironao Matsunaga, Hidefumi Koda, Teizo Nanbu
  • Water boiler
    Patent number: D805170
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: December 12, 2017
    Inventor: Jianliang Chen
  • Hot water tank
    Patent number: D820418
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: June 12, 2018
    Assignees: DAIKIN INDUSTRIES LTD., DAIKIN EUROPE N.V.
    Inventors: Alexander Schlag, Michael Kuepper
  • Hot water heater assembly
    Patent number: D825724
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: August 14, 2018
    Assignee: Rinnai America Corporation
    Inventors: Scott Gilman Humphrey, Jose Luis Aponte Keillor