Patents by Inventor Theodore Fred Knaak

Theodore Fred Knaak 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).

  • Platform lift
    Patent number: 8292032
    Abstract: A platform lift for use with a vehicle includes a platform assembly having a plurality of support legs, and a lift mechanism having a support portion moveable between at least a first position and a second position. The platform assembly may be configured to be supported by the support portion when the support portion is in the first position, and further configured to be supported by the support legs substantially independent from the lift mechanism and the vehicle when the support portion is in the second position.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: October 23, 2012
    Inventor: Theodore Fred Knaak
  • PLATFORM LIFT
    Publication number: 20100219018
    Abstract: A platform lift for use with a vehicle includes a platform assembly having a plurality of support legs, and a lift mechanism having a support portion moveable between at least a first position and a second position. The platform assembly may be configured to be supported by the support portion when the support portion is in the first position, and further configured to be supported by the support legs substantially independent from the lift mechanism and the vehicle when the support portion is in the second position.
    Type: Application
    Filed: February 27, 2009
    Publication date: September 2, 2010
    Inventor: Theodore Fred Knaak