Patents by Inventor Mike Derringer

Mike Derringer 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).

  • Patent number: 9308144
    Abstract: A wheelchair safety device transfers the weight of an entering or exiting user into a brake and stop against the rear wheel and floor, ensuring stability during the transfer. The device may be installed on one or both of the rear wheels of the wheelchair, and provides a handle which will bear the user's full weight with complete stability during the transfer. When not in use, the brake is disengaged, the floor stop is fully retracted to enable complete maneuverability of the wheelchair, and the handle also retracts.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: April 12, 2016
    Inventor: Mike Derringer
  • Publication number: 20150290056
    Abstract: A wheelchair safety device transfers the weight of an entering or exiting user into a brake and stop against the rear wheel and floor, ensuring stability during the transfer. The device may be installed on one or both of the rear wheels of the wheelchair, and provides a handle which will bear the user's full weight with complete stability during the transfer. When not in use, the brake is disengaged, the floor stop is fully retracted to enable complete maneuverability of the wheelchair, and the handle also retracts.
    Type: Application
    Filed: April 13, 2015
    Publication date: October 15, 2015
    Inventor: Mike Derringer