Patents by Inventor Jan-Erik Danielsson

Jan-Erik Danielsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Collapsible wheel-chair and apparatus for lifting the wheel-chair into and out from an automobile
    Patent number: 4661035
    Abstract: The invention relates to an apparatus for lifting a wheel-chair into and out from a vehicle, having a lifting arm which may be connected to the wheel-chair. According to the invention the apparatus comprises a substantially Z-shaped stand (4) having a lower support and mounting plate (5) intended to be attached to the vehicle floor at the place for the driver's seat by means of a number, suitably three, of bolts (6), and a substantially vertical middle portion (7) an an upper support plate (8) intended to be positioned on top of the back seat of the vehicle, a lifting mechanism (25-45) and a swinging equipment (36-45) for the lifting arm (3) whereby the lifting arm (3) and the lifting mechanism (25-34) and the swinging equipment (36-45) are carried by the upper support plate (8) of the stand (4). The invention also relates to a collapsible wheel-chair especially adapted for use together with the lifting apparatus.
    Type: Grant
    Filed: September 11, 1985
    Date of Patent: April 28, 1987
    Assignee: Rolf Ahlbergs Mekaniska Verkstad AB
    Inventor: Jan-Erik Danielsson
  • Wheeled walking frame
    Patent number: D289507
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: April 28, 1987
    Assignee: Rolf Ahlbergs Mekaniska Verkstad AB
    Inventor: Jan-Erik Danielsson
  • Foldable walking aid
    Patent number: D367251
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: February 20, 1996
    Assignee: Ahlberg Rehab AB
    Inventors: Rolf Ahlberg, Jan-Erik Danielsson