Patents by Inventor David R. Martell

David R. Martell 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: 5014445
    Abstract: A fluid fill regulator and seal assembly (10) for automatic transmissions (11) positionable within a bore (65) provided in the case (12) of a transmission. The assembly comprises a semi-rigid regulator member (20) having a cylindrical body (22) closed at one end (24) and opened at the other end (28); a flexible sealing member (21) formed about the opened end of the regulator member and having an inner contour (54) adapted to receive one end of a transmission fluid filler tube (71); and teeth means (42-45), provided by the regulator means and extending radially from the sealing member to engage the bore in the transmission case and prohibit axial movement of the assembly within the bore. The present invention also provides in combination, a transmission fluid fill regulator and seal assembly (10) with a transmission fluid filler tube (71) and fluid level ullage rod (26).
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: May 14, 1991
    Assignee: General Motors Corporation
    Inventor: David R. Martell
  • Patent number: 4884467
    Abstract: A cable control system comprising a tubular member, a strand rod extending through the tubular member and adapted to be moved longitudinally and laterally thereof and a sealing member mounted on the tube member. The sealing member includes an outer circumferential wall extending axially outwardly relative to the tube member and an integral inner annular sealing lip surrounded by the axially outwardly extending wall and having a free edge sealingly engaging the strand rod.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: December 5, 1989
    Assignee: Babcock Industries Inc.
    Inventor: David R. Martell