Immersion Type (e.g., Aquarium Filter, Etc.) Patents (Class D23/210)
  • Pool skimmer screen
    Patent number: D437094
    Type: Grant
    Filed: January 18, 1999
    Date of Patent: January 30, 2001
    Inventor: Jerry R. Ward
  • Aquarium filter device
    Patent number: D505711
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: May 31, 2005
    Inventor: Hsiu-Mei Wu
  • Hanging filter for aquarium
    Patent number: D441829
    Type: Grant
    Filed: July 3, 2000
    Date of Patent: May 8, 2001
    Assignee: Meiko Pet Corporation
    Inventor: Chiao-Ming Wang
  • Protein skimmer
    Patent number: D451580
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: December 4, 2001
    Assignee: Red Sea Fish Pharm Ltd.
    Inventors: Neil Marks, Eli Nissenberg
  • Aquarium filter
    Patent number: D517644
    Type: Grant
    Filed: September 3, 2004
    Date of Patent: March 21, 2006
    Assignee: Eheim GmbH & Co. KG
    Inventor: Ferdinand Mayer
  • Hanging filter for aquarium
    Patent number: D520104
    Type: Grant
    Filed: January 24, 2005
    Date of Patent: May 2, 2006
    Assignee: Meiko Pet Corporation
    Inventor: Chiao-Ming Wang
  • Tripod floating mount for a pond aerator
    Patent number: D457595
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: May 21, 2002
    Inventors: Thayne Ellsworth, Dennis Thomas, Max E. Belcher
  • Aquarium filter
    Patent number: D460996
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: July 30, 2002
    Assignee: Warner-Lambert Company
    Inventors: Joseph Christopher Carley, John Edward Fox, Jr., Jeffrey Alan Warden
  • Aquarium filter
    Patent number: D462739
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: September 10, 2002
    Assignee: Warner-Lambert Company
    Inventors: Joseph Christopher Carley, John Edward Fox, Jr., Jeffrey Alan Warden
  • Skimmer assembly
    Patent number: D535720
    Type: Grant
    Filed: April 7, 2005
    Date of Patent: January 23, 2007
    Assignee: Safety-Kleen Systems, Inc.
    Inventors: Brian Porter, Christopher Barmore, Martin Lucassen
  • Aquarium filter
    Patent number: D468393
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: January 7, 2003
    Assignee: Warner-Lambert Company
    Inventors: Mark Gerard Agresta, Joseph Christopher Carley
  • Aquarium filter
    Patent number: D470217
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: February 11, 2003
    Inventor: Barrington A. Morris
  • Aquarium filter pump
    Patent number: D473282
    Type: Grant
    Filed: July 18, 2002
    Date of Patent: April 15, 2003
    Inventor: Chi-Hung Lin
  • Siphon
    Patent number: D473926
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: April 29, 2003
    Inventor: Steven John Crockford
  • Filter for an aquarium
    Patent number: D474526
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: May 13, 2003
    Assignee: Eheim GmbH & Co. KG
    Inventor: Ferdinand Mayer
  • Holder for a filter for an aquarium
    Patent number: D474527
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: May 13, 2003
    Assignee: Eheim GmbH & Co. KG
    Inventor: Ferdinand Mayer
  • Compact swimming pool filter unit
    Patent number: D477383
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: July 15, 2003
    Assignee: Piscines Desjoyaux S.A. (Societe Anonyme)
    Inventors: Jean-Louis Desjoyaux, Pierre-Louis Desjoyaux, Catherine Jandros
  • Aquarium filter
    Patent number: D557375
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: December 11, 2007
    Assignee: Eheim GmbH & Co. KG
    Inventor: Ferdinand Mayer
  • Aquarium filter assembly
    Patent number: D565150
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: March 25, 2008
    Assignee: Newa Tecno Industria S.r.l.
    Inventors: Brad L. Mihlbauer, David R. Troop, II, Lonnie Austin Ready, Giacomo Guoli, Fabio Bellia
  • Floatable screen and suction device
    Patent number: D565695
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: April 1, 2008
    Assignee: F P D Scandinavia AB
    Inventor: Eiwe Wihk
  • Aquarium filter cartridge element
    Patent number: D565696
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: April 1, 2008
    Assignee: Central Garden and Pet Company
    Inventors: Brad L. Mihlbauer, David R. Troop, II, Lonnie Austin Ready, Giacomo Guoli, Fabio Bellia
  • Suction nozzle
    Patent number: D566227
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: April 8, 2008
    Assignee: F P D Scandinavia AB
    Inventor: Eiwe Wihk
  • Housing for a fluid treatment device
    Patent number: D486552
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: February 10, 2004
    Inventor: Floyd E. Porteous
  • Aquarium filter holster
    Patent number: D570952
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: June 10, 2008
    Assignee: Central Garden and Pet Company
    Inventors: Brad L. Mihlbauer, Christopher L. Hawker, David R. Troop, II, Lonnie Austin Ready, Giacomo Guoli, Fabio Bellia
  • Aquarium filter assembly
    Patent number: D571891
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: June 24, 2008
    Assignee: Newa Tecno Industria S.R.L.
    Inventors: Brad L. Mihlbauer, David R. Troop, II, Lonnie Austin Ready, Giacomo Guoli, Fabio Bellia
  • Aquarium filter
    Patent number: D494251
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: August 10, 2004
    Assignee: Tetra Holding (US), Inc.
    Inventors: John Edward Fox, Jr., Joseph Christopher Carley, Jeffrey Alan Warden
  • Rotating aerator for aquariums and ponds
    Patent number: D589590
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: March 31, 2009
    Assignee: Hydor Srl
    Inventor: Valerio Bresolin
  • Filter for an aquarium
    Patent number: D617413
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: June 8, 2010
    Assignee: Eiko Electric Products Corp.
    Inventor: Yu-Chin Wang
  • Aquarium filter cartridge with tab
    Patent number: D626193
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: October 26, 2010
    Assignee: Tetra Holding (US), Inc.
    Inventors: Daniel A. Newman, Mark G. Agresta
  • Aquarium filter cartridge with tab
    Patent number: D628675
    Type: Grant
    Filed: March 25, 2010
    Date of Patent: December 7, 2010
    Assignee: Tetra Holding (US), Inc.
    Inventors: Daniel A. Newman, Mark G. Agresta
  • Power filter
    Patent number: D650041
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: December 6, 2011
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventor: Wang Wu
  • Power filter
    Patent number: D650468
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: December 13, 2011
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventor: Wu Wang
  • Swimming pool filtration unit
    Patent number: D655379
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: March 6, 2012
    Assignee: Poolrite Research Pty Ltd
    Inventors: Adam Doyle, John Mansell, Ross Leslie Palmer, Istvan Galambos, Aaron Kelly
  • Floating skimmer
    Patent number: D432206
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: October 17, 2000
    Assignee: Polaris Pool Systems, Inc.
    Inventors: Gerhardus J. Stoltz, Andrew Zoolakis
  • Membrane cartridge for submerged membrane separation
    Patent number: D674037
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: January 8, 2013
    Assignee: Kubota Corporation
    Inventors: Kimihiro Ishikawa, Kazuhiro Yamazaki, Tomohiko Sasaki, Yoshio Matsuzaki
  • Filter system
    Patent number: D682985
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: May 21, 2013
    Assignee: Poolrite Research Pty Ltd
    Inventors: Ross Leslie Palmer, Aaron Kelly
  • Internal filter
    Patent number: D686694
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: July 23, 2013
    Assignee: Shenzhen Xingrisheng Industrial Co., Ltd.
    Inventor: Liedang Li
  • Swimming pool cleaner
    Patent number: D720426
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: December 30, 2014
    Assignee: Metalast, S.A.
    Inventors: Carlos Fernández Cantalejo, Emilio Serrano Sánchez
  • Replaceable filter element
    Patent number: D730485
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: May 26, 2015
    Assignee: ELIVE LLC
    Inventors: Thomas Lutz, Matthew Allen
  • Filter
    Patent number: D737402
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: August 25, 2015
    Assignee: OASE GmbH
    Inventor: Aleks Tatic
  • Beverage treatment device
    Patent number: D753952
    Type: Grant
    Filed: November 1, 2014
    Date of Patent: April 19, 2016
    Assignee: Purewine Inc.
    Inventors: David L. Meadows, Derek B. Meadows, Morgan Beeson
  • Beverage treatment wand
    Patent number: D753953
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: April 19, 2016
    Assignee: Purewine Inc.
    Inventors: David L. Meadows, Morgan Beeson, Robert Sawler
  • Sand filtration aquarium
    Patent number: D779633
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: February 21, 2017
    Inventor: Wing Fat Chu
  • Filter for aquarium
    Patent number: D809624
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: February 6, 2018
    Assignee: OASE GmbH
    Inventor: Jürgen Langkamp
  • Pool circulation device
    Patent number: D877858
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: March 10, 2020
    Inventor: Todd Kennedy
  • In-pond filter
    Patent number: D901622
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: November 10, 2020
    Assignee: OASE GmbH
    Inventor: Thorsten Muck
  • Portable aquarium filter
    Patent number: D942584
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: February 1, 2022
    Assignee: SHENZHEN MAGO TRADING CO., LTD
    Inventor: Huiqiang Li
  • Aquarium spout
    Patent number: D953482
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: May 31, 2022
    Assignee: Central Garden & Pet Company
    Inventors: Brad L. Mihlbauer, Ernie Katris
  • Aquarium filter holder
    Patent number: D969966
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: November 15, 2022
    Inventor: Christopher E. Hernandez
  • Fish tank filter pump
    Patent number: D987030
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: May 23, 2023
    Inventor: Liang Guo