Patents by Inventor Jerry Riekenberg

Jerry Riekenberg 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).

  • Ergonomic wheelchair seat
    Patent number: 6032975
    Abstract: A wheelchair seat assembly (16) including a seat (30,36), and back rest assembly (49). Back rest assembly (49) includes lateral pelvic supports (52) for carrying pelvic bolster pads (62), an outer shell piece (50) and an inner shell piece (28) adjustably secured to each other, torso supports (76) and a head rest assembly (88). Outer shell piece (50) has a deep concave shape while inner shell piece (28) has a shallow concave shape, which creates a gap (120). Gap (120) provides space for receiving torso supports (76) and head rest assembly (88) in a manner that these two components can be adjusted without interfering with the back rest cushion and without causing discomfort for the user.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: March 7, 2000
    Assignee: Sunrise Medical HHG Inc.
    Inventors: Wayne H. Hanson, Robert C. Huntley, Jerry Riekenberg