Wheelchair Patents (Class D12/131)
  • Patent number: 6378883
    Abstract: A motorized walker/wheelchair having wheels, an A-frame which has a driven a leg and a rolling leg which join at a vertex. Rising from one of the legs there is a control handle assembly. A motor wheel, or optionally two motor wheels, are provided at the lower portion of the driven leg of the A-frame. A caster wheel extends from the bottom of the rolling leg. Provision is made for a seat which is secured at its rearward portion to the seat support spreader. Hand controls are provided to the handle support which in turn control the operation of at least one motor driven wheel, or optionally, to separate motors driving two wheels. The two legs, the driven leg and a rolling leg, are joined at a pivot point at their vertex.
    Type: Grant
    Filed: January 11, 2000
    Date of Patent: April 30, 2002
    Inventor: Aaron J. Epstein
  • Patent number: 6312000
    Abstract: A wheelchair swing-arm is adapted to be pivotally connected to a wheelchair base frame and support a wheelchair drive wheel. A fender is supported in a substantially fixed position relative to the wheelchair swing-arm. A method for attaching a fender to a wheelchair includes the steps of providing a wheelchair having a base frame and a swing-arm pivotally connected to the base frame and a drive wheel motor supported by the swing-arm, and supporting a fender in a substantially fixed position relative to the swing-arm.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: November 6, 2001
    Assignee: Sunrise Medical HHG Inc.
    Inventors: Darryl R. Pauls, Paul C. Dickie, Darin J. Trippensee
  • Patent number: D439869
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: April 3, 2001
    Assignee: Dolomite AB
    Inventors: Sven-Inge Kjell, Anders Ahlbertz, Stefan Arns
  • Patent number: D443563
    Type: Grant
    Filed: November 13, 1999
    Date of Patent: June 12, 2001
    Assignee: Wheelchairs of Kansas, Inc.
    Inventor: Michael Karl Johnson
  • Patent number: D444105
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: June 26, 2001
    Assignee: Scandinavian Mobility REA Stolen AB
    Inventors: Ulf Johansson, Fredrik Johansson, Herman van der Vegt
  • Patent number: D444421
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: July 3, 2001
    Inventor: Min-Hsiung Cheng
  • Patent number: D444422
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: July 3, 2001
    Inventor: Min-Hsiung Cheng
  • Patent number: D445726
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: July 31, 2001
    Assignee: Kurt Manufacturing Company
    Inventor: Phillip E. Schlangen
  • Patent number: D451435
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: December 4, 2001
    Inventors: Phillip E. Schlangen, Paul R. Lawson, William L. Eshleman
  • Patent number: D451849
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: December 11, 2001
    Assignee: Murata Machinery Ltd.
    Inventor: Shinji Noshi
  • Patent number: D453128
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: January 29, 2002
    Inventor: Adrianus H. M. J. M. van den Heuvel
  • Patent number: D454319
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: March 12, 2002
    Assignee: Takano Co., Ltd.
    Inventor: Tsunetaro Ito
  • Patent number: D455376
    Type: Grant
    Filed: January 6, 2000
    Date of Patent: April 9, 2002
    Assignee: Invacare Corporation
    Inventor: Horst Lindenkamp
  • Patent number: D455377
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: April 9, 2002
    Inventor: Charles J. Suiter
  • Patent number: D460028
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: July 9, 2002
    Assignee: Kwang Yang Motor Co., Ltd.
    Inventors: Wen-Yung Wu, Chi-Chen Tsai
  • 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: 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: 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: 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: D487037
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: February 24, 2004
    Inventor: Chih Chiang Wang
  • 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: D395854
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: July 7, 1998
    Assignee: Per4maX Medical
    Inventors: William N. Hernandez, Raul E. Ortego
  • Patent number: D396834
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: August 11, 1998
    Inventor: Donald P. H. Wu
  • Patent number: D397645
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: September 1, 1998
    Assignee: Pride Health Care, Inc.
    Inventor: Walter Schaffner
  • Patent number: D398565
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: September 22, 1998
    Assignee: La-Z-Boy Incorporated
    Inventors: Charles T. Knabusch, Larry P. LaPointe, William D. Lipford
  • Patent number: D401190
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: November 17, 1998
    Inventor: Andreas Krause
  • Patent number: D401191
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: November 17, 1998
    Inventor: Brian Gagnon
  • Patent number: D401192
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: November 17, 1998
    Inventor: Brian Gagnon
  • Patent number: D401540
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: November 24, 1998
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventor: Shoji Yamamoto
  • Patent number: D403279
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: December 29, 1998
    Inventor: Donald P. H. Wu
  • Patent number: D403280
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: December 29, 1998
    Inventors: Daniel G. Diestel, John M. Onnen
  • Patent number: D404693
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: January 26, 1999
    Assignee: Pride Health Care, Inc.
    Inventor: Walter E. Schaffner
  • Patent number: D405033
    Type: Grant
    Filed: October 28, 1997
    Date of Patent: February 2, 1999
    Assignee: Sarnmark Hjalpmedel AB
    Inventor: Claes Liegnell
  • Patent number: D406803
    Type: Grant
    Filed: September 29, 1997
    Date of Patent: March 16, 1999
    Inventor: Thomas E. Kruse
  • Patent number: D409120
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: May 4, 1999
    Assignee: Ferno-Washington, Inc.
    Inventor: Richard Andrew Aughpin
  • Patent number: D409121
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: May 4, 1999
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Shuhei Imai, Hiromi Yuzuriha, Masahiro Anzai
  • Patent number: D412869
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: August 17, 1999
    Inventor: Sheldon Bissell
  • Patent number: D413554
    Type: Grant
    Filed: September 28, 1998
    Date of Patent: September 7, 1999
    Assignee: Kurt Manufacturing Company
    Inventor: Phillip E. Schlangen
  • Patent number: D414143
    Type: Grant
    Filed: November 2, 1998
    Date of Patent: September 21, 1999
    Assignee: Broda Enterprises Inc.
    Inventor: Ian Brotherston
  • Patent number: D427949
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: July 11, 2000
    Inventor: Phillip E. Schlangen
  • Patent number: D430078
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: August 29, 2000
    Assignee: Ferno-Washington, Inc.
    Inventors: Jonathan Stewart Ellis, Philip Ian Ward, Alan Jackson
  • Patent number: D431502
    Type: Grant
    Filed: March 27, 2000
    Date of Patent: October 3, 2000
    Assignee: Kurt Manufacturing Company
    Inventor: Phillip E. Schlangen
  • Patent number: D433968
    Type: Grant
    Filed: January 27, 2000
    Date of Patent: November 21, 2000
    Inventors: Nick Mascari, Christopher J. Peterson