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: D460029
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: July 9, 2002
    Inventor: Chih Chiang Wang
  • Patent number: D460389
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: July 16, 2002
    Inventor: Chih Chiang Wang
  • 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: D462639
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: September 10, 2002
    Inventor: Samuel Lin
  • Patent number: D465441
    Type: Grant
    Filed: August 22, 2001
    Date of Patent: November 12, 2002
    Inventor: Chih Chiang Wang
  • 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: D468240
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: January 7, 2003
    Assignee: Mount-Channel Mfg. Co., Ltd.
    Inventor: Cheng-Liang Lee
  • Patent number: D468669
    Type: Grant
    Filed: August 21, 1998
    Date of Patent: January 14, 2003
    Assignee: Electric Mobility Corporation
    Inventor: Robert C. Hopely, Jr.
  • Patent number: D473826
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: April 29, 2003
    Assignee: Kurt Manufacturing Company
    Inventors: Phillip E. Schlangen, Paul R. Lawson, William L. Eshleman
  • Patent number: D474719
    Type: Grant
    Filed: July 17, 2002
    Date of Patent: May 20, 2003
    Assignee: Med-Electric, Inc.
    Inventors: Richard A. Mayer, Devin S. Bank, Larry N. Pizzi
  • Patent number: D475952
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: June 17, 2003
    Assignee: Specmat Limited
    Inventors: Sean Patrick Nelson, Thomas Paul Suddaby
  • 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: D484832
    Type: Grant
    Filed: February 27, 2003
    Date of Patent: January 6, 2004
    Assignees: Sanyo Electric Co., Ltd., Sanyo Electric Techno Clean Co., Ltd.
    Inventors: Yasutoshi Okamoto, Yasuhiro Matsusaki, Shinji Oda, Masatoshi Okuda, Kiyohiko Utagawa
  • 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: D487037
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: February 24, 2004
    Inventor: Chih Chiang Wang
  • Patent number: D571264
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: June 17, 2008
    Inventor: Tai-Her Yang
  • Patent number: D488108
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: April 6, 2004
    Inventor: Russell W. Strong
  • Patent number: D488109
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: April 6, 2004
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventor: Takeshi Koshiishi
  • 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