Patents by Inventor Philip Hau Leung Lam

Philip Hau Leung Lam 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).

  • Powered wheelchair having a side-access battery compartment
    Patent number: 8037953
    Abstract: A wheelchair includes a frame, a chair, a pair of drive wheels, a pair of rear wheels, and a pair of from wheels. Each front wheel is part of a front arm assembly that is rigidly coupled to a drive via a mounting plate. The mounting plate is connected to the wheelchair frame by a pivot. The drives are transversely mounted. The batteries are disposed rearward of the drives. The wheelchair seat can be moved forward to provide access to the batteries without fully removing the wheelchair from the frame. Or the wheelchair may provide side access to the batteries and the wheelchair may be fixed.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: October 18, 2011
    Assignee: Pride Mobility Products Corporation
    Inventors: John Puskar-Pasewicz, Kip D. Alder, Philip Hau Leung Lam