Patents by Inventor Colin Johanson

Colin Johanson 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).

  • Dual mode wheelchair
    Patent number: 7648156
    Abstract: A dual mode wheelchair (300) providing both a maneuverable indoor mode and a travel mode. The wheelchair (300) comprises fore wheels (104) mounted on a fore axis (105) and rear wheels (102) mounted on a rear axis (103). A distance between the fore axis (105) and the rear axis (103) defines a wheelbase of the wheelchair (300). The wheelbase is alterable between a short wheelbase providing a maneuverable mode of the wheelchair (300) and a long wheelbase providing a travel mode of the wheelchair (300). The wheelchair (300) further provides a lowered center of gravity and a reclining position in the travel mode to provide improved stability and occupant security.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: January 19, 2010
    Assignee: Johanson Nominees Pty Ltd
    Inventor: Colin Johanson
  • Dual Mode Wheelchair
    Publication number: 20080054596
    Abstract: A dual mode wheelchair (300) providing both a manoeuvrable indoor mode and a travel mode. The wheelchair (300) comprises fore wheels (104) mounted on a fore axis (105) and rear wheels (102) mounted on a rear axis (103). A distance between the fore axis (105) and the rear axis (103) defines a wheelbase of the wheelchair (300). The wheelbase is alterable between a short wheelbase providing a manoeuvrable mode of the wheelchair (300) and a long wheelbase providing a travel mode of the wheelchair (300). The wheelchair (300) further provides a lowered centre of gravity and a reclining position in the travel mode to provide improved stability and occupant security.
    Type: Application
    Filed: August 4, 2005
    Publication date: March 6, 2008
    Applicant: JOHANSON NOMINEES PTY LTD
    Inventor: Colin Johanson