Wheelchair Patents (Class D12/131)
  • Patent number: 7021641
    Abstract: A suspension structure for a wheelchair generally includes movable arm that serve to connect driving wheels with frame of a wheelchair, sliding unit is further provided for enabling the movable arm to movably connect with a front cantilever of the wheelchair. By such arrangements, in case that the wheelchair of the present invention encounters a raised ground, or similar barriers of the like, the front cantilever will work with the movable arm to raise front jockey wheels, whereas the driving wheels firmly catches the ground, such that enables the wheelchair to the pass the barrier smoothly without difficulties.
    Type: Grant
    Filed: November 6, 2003
    Date of Patent: April 4, 2006
    Assignee: PI Hsiang Machinery Mfg. Co.
    Inventor: Donald P. H. Wu
  • Patent number: D501160
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: January 25, 2005
    Assignee: Comfort Chair Company, Inc.
    Inventors: Lewis A. Barnes, Paul A. Shea, George A. St. Germain
  • Patent number: D501807
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: February 15, 2005
    Inventor: William P. Williamson
  • Patent number: D503364
    Type: Grant
    Filed: August 3, 2004
    Date of Patent: March 29, 2005
    Inventor: Takashi Miura
  • Patent number: D504848
    Type: Grant
    Filed: July 7, 2004
    Date of Patent: May 10, 2005
    Assignee: M.C. Healthcare Products Inc.
    Inventors: Brian Freeborn, Ted House, Geoff Rutherford
  • Patent number: D506165
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: June 14, 2005
    Assignee: Honda Motor Co., Ltd.
    Inventors: Akio Koike, Kyoichi Yokouchi
  • Patent number: D509774
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: September 20, 2005
    Inventor: Yung Cheng Chen
  • Patent number: D509775
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: September 20, 2005
    Inventor: Yung Cheng Chen
  • Patent number: D513720
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: January 24, 2006
    Inventors: Yoel Etzioni, Aharon Nadler, Michael Glazman
  • Patent number: D517456
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: March 21, 2006
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventors: Sung-Yu Wu, Tsang-Mao Lin
  • Patent number: D522934
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: June 13, 2006
    Assignee: Otto Bock HealthCare GmbH
    Inventor: Urs Schoenauer
  • Patent number: D523788
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: June 27, 2006
    Assignee: Pride Mobility Products Corporation
    Inventors: Colburn L. Jones, John Puskar-Pasewicz
  • Patent number: D530650
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: October 24, 2006
    Assignee: Honda Motor Co., Ltd.
    Inventors: Koichi Azuma, Tadahiro Yaguchi
  • Patent number: D531094
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: October 31, 2006
    Assignee: Electric Mobility Corporation
    Inventors: Michael J. Flowers, Stephen Jarema, III, David S. Zaveloff
  • Patent number: D531937
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: November 14, 2006
    Assignee: Link Treasure Limited
    Inventors: Ulf Tolfsen, Per Gyllenspetz
  • Patent number: D536283
    Type: Grant
    Filed: October 6, 2004
    Date of Patent: February 6, 2007
    Assignee: Invacare Corp.
    Inventors: Mark A. Cartellone, Cheryl Dudek, Erin Quant Riddell
  • Patent number: D556099
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: November 27, 2007
    Assignee: Otto Bock HealthCare IP GmbH & Co., KG
    Inventor: Oliver Kretschmer
  • Patent number: D556647
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: December 4, 2007
    Assignee: Honda Motor Co., Ltd.
    Inventor: Masahiko Yamagishi
  • Patent number: D560564
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: January 29, 2008
    Assignee: Merits Health Products Co., Ltd.
    Inventor: Ming-Chuan Cheng
  • Patent number: D561651
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: February 12, 2008
    Assignee: Honda Motor Co., Ltd.
    Inventor: Masahiko Yamagishi
  • Patent number: D569769
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: May 27, 2008
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventors: Chi-Hsien Chiu, Cheng-Pin Weng
  • Patent number: D571264
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: June 17, 2008
    Inventor: Tai-Her Yang
  • Patent number: D488411
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: April 13, 2004
    Inventor: Russell W. Strong
  • Patent number: D489296
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: May 4, 2004
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventor: Chi-Chen Tsai
  • Patent number: D489652
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: May 11, 2004
    Inventor: Thomas Roach
  • Patent number: D489653
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: May 11, 2004
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventor: Chi-Chen Tsai
  • Patent number: D490029
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: May 18, 2004
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventor: Chin-Wei Chao
  • Patent number: D491115
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: June 8, 2004
    Assignee: Pride Mobility Products Corporation
    Inventor: Paul Taylor
  • Patent number: D494110
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: August 10, 2004
    Assignee: Merits Health Products Co., Ltd.
    Inventor: Ming-Chuan Cheng
  • Patent number: D494512
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: August 17, 2004
    Assignee: Merits Health Products Co., Ltd.
    Inventor: Ming-Chuan Cheng
  • Patent number: D585794
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: February 3, 2009
    Assignee: Link Treausre Limited
    Inventor: Bing-Shian Lin
  • Patent number: D590304
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: April 14, 2009
    Assignee: Hoveround Corporation
    Inventor: Thomas E. Kruse
  • Patent number: D598816
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: August 25, 2009
    Assignee: Gate Rehab Development AB
    Inventor: Anders Ahlbertz
  • Patent number: D602404
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: October 20, 2009
    Inventors: Karman D Cusack, Karl J. Wheeler, John Jancsek
  • Patent number: D602405
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: October 20, 2009
    Assignee: R82 A/S
    Inventors: Simon Skafdrup, Ole Madsbøll
  • Patent number: D604208
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: November 17, 2009
    Assignee: Otto Bock HealthCare GmbH
    Inventors: Heinrich Perk, Oliver Kretschmer
  • Patent number: D606909
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: December 29, 2009
    Assignee: Gate Rehab Development AB
    Inventor: Anders Ahlbertz
  • Patent number: D609138
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: February 2, 2010
    Assignee: R82 A/S
    Inventors: Simon Skafdrup, Ole Madsbøll
  • Patent number: D618141
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: June 22, 2010
    Inventor: Andy Chan
  • Patent number: D621307
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: August 10, 2010
    Assignee: Otto Bock HealthCare IP GmbH & Co. KG
    Inventors: Peter Kägi, Oliver Kretschmer
  • Patent number: D622641
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: August 31, 2010
    Assignee: Karma Medical Products, Co., Ltd.
    Inventors: Cheng-Nan Chen, Yu-Chiung Chen
  • Patent number: D623992
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: September 21, 2010
    Assignee: Medline Ind.
    Inventors: Richard P. Derks, Ishwor P. Adhikari
  • Patent number: D624459
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: September 28, 2010
    Assignee: Medline Industries, Inc.
    Inventors: David P. Jacobs, Ishwor P. Adhikari, Richard P. Derks
  • Patent number: D627270
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: November 16, 2010
    Assignee: Otto Bock Mobility Solutions GmbH
    Inventor: Oliver Kretschmer
  • Patent number: D627271
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: November 16, 2010
    Assignee: Sunrise Medical HHG, Inc.
    Inventor: Michael Knopf
  • Patent number: D632229
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: February 8, 2011
    Assignee: Hoveround Corporation
    Inventor: Thomas E. Kruse
  • Patent number: D633830
    Type: Grant
    Filed: August 16, 2010
    Date of Patent: March 8, 2011
    Assignee: Medline Industries, Inc.
    Inventors: Richard P. Derks, Ishwor P. Adhikari
  • Patent number: D635895
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: April 12, 2011
    Assignee: Medline Industries, Inc.
    Inventors: David P. Jacobs, Ishwor P. Adhikari, Richard P. Derks
  • Patent number: D642963
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: August 9, 2011
    Assignee: Invacare Corporation
    Inventors: Joshua Greiner, Damon Jukiewicz, Robert Bekoscke, Daniel Watson, Traian Mohan, Thomas Tuckowski
  • Patent number: D649092
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: November 22, 2011
    Assignee: Transquip International Inc.
    Inventor: A. Laura Durojaiye