Patents by Inventor Ralph H. Marx

Ralph H. Marx 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: 5876363
    Abstract: An outrigger system for use with a custom fit splint to achieve precise alignment of dynamic splint forces following traumatic injury, disease or surgery of the hand.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: March 2, 1999
    Inventor: Ralph H. Marx
  • Patent number: 5183458
    Abstract: A support and straightener for finger joint contractures comprising a thin narrow rectangular pliable sheet metal base angularly displaced at one end and having a rigid support aligned with and secured to its bottom surface. The rigid support is angularly displaced from the one end of the base with a threaded aperture extending therethrough. An adjustable screw is threaded through the aperture for engaging with the one end of the base for applying a vernierly adjustable force to the finger joint. A non stretchable strap is mounted around the joint of the finger to be straightened and the support for applying a fixed perpendicular force to the finger at the area effected by the contracture.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: February 2, 1993
    Inventor: Ralph H. Marx
  • Patent number: 4790300
    Abstract: A compact, low-profile, prefabricated dynamic splint component for use in treating certain wrist conditions or injuries. The component is mounted on the wrist and forearm by means of a wrist gauntlet. It subjects the hand to a perpendicular force that urges the hand upward about the wrist joint while avoiding the application of any compression forces to the wrist.
    Type: Grant
    Filed: January 27, 1987
    Date of Patent: December 13, 1988
    Inventor: Ralph H. Marx
  • Patent number: 4602620
    Abstract: An outrigger extension for dorsal wrist splints employing adjustably positioned wheels mounted on a wire frame arranged immediately over the digits of a postoperative hand for precise alignment of dynamic splint forces following implant resection arthroplasty of the metacarpophalangeal joints.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: July 29, 1986
    Inventor: Ralph H. Marx
  • Patent number: D451569
    Type: Grant
    Filed: December 26, 2000
    Date of Patent: December 4, 2001
    Inventor: Ralph H. Marx
  • Patent number: D296189
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: June 14, 1988
    Assignee: Richard W. Marx
    Inventor: Ralph H. Marx
  • Patent number: D296650
    Type: Grant
    Filed: October 15, 1985
    Date of Patent: July 12, 1988
    Inventor: Ralph H. Marx
  • Patent number: D299272
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: January 3, 1989
    Inventor: Ralph H. Marx