Patents by Inventor Thomas Peter Pfaeffle

Thomas Peter Pfaeffle 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).

  • Wheelchair and water closet chair with remote control sliding members closing a gap
    Patent number: 5930846
    Abstract: A water closet chair that has arms that may be selectively raised and lowered and a water closet chair that has handgrips that may be selectively raised and lowered. The arms and handgrips have extensions movable towards each other to effect engagement with each other. In addition, each has sensors that sense when the extensions of each are in alignment with each other.
    Type: Grant
    Filed: October 10, 1997
    Date of Patent: August 3, 1999
    Inventors: Patricia E. Warren-Pfaeffle, Thomas Peter Pfaeffle
  • Wheelchair and water closet chair with remote control extending arms closing a cap
    Patent number: 5820152
    Abstract: A wheelchair or water closet chair that has arms that may be selectively raised and lowered and a water closet chair that has handgrips that may be selectively raised and lowered. The arms and handgrips have extensions movable towards each other to effect engagement with each other. In addition, each has sensors that sense when the extensions of each are in alignment with each other.
    Type: Grant
    Filed: December 1, 1995
    Date of Patent: October 13, 1998
    Inventors: Patricia E. Warren-Pfaeffle, Thomas Peter Pfaeffle