Patents by Inventor Fred William Malchow

Fred William Malchow 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: 6398479
    Abstract: A wheelchair lifting platform for transporting a wheelchair passenger into and out of the rear door of a vehicle such as a van. The platform may be folded and stowed beneath the floor of the van behind the rear axle. The platform further includes rollstops pivotally coupled to the ends of the platform and adapted to automatically deploy when the platform is unfolded. A pivoting housing cover is also included that is adapted to open upon deployment of the platform and close upon stowage of the platform in its housing beneath the vehicle.
    Type: Grant
    Filed: May 3, 2000
    Date of Patent: June 4, 2002
    Assignee: The Braun Corporation
    Inventors: James R. Dupuy, Fred William Malchow