Patents by Inventor Albert A. Hart

Albert A. Hart 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).

  • Four wheel drive system including disengagement means
    Patent number: 4667767
    Abstract: An improved four wheel drive system for a vehicle is disclosed. The system includes a first carrier assembly connected to a power generation system of the vehicle and adapted to transmit power to a first pair of drive wheels. A second carrier assembly having an input member and an output member connected to a second pair of drive wheels is also provided. The second carrier assembly is adapted to transmit power from the input member to the output member. A mechanism is provided for selectively connecting the first carrier assembly to the input member of the second carrier assembly for transmitting power thereto. A biasing structure is further provided for moving one of the input and output members relative to the other of the input and output members prior to connecting the first carrier assembly to the input member of the second carrier assembly.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: May 26, 1987
    Assignee: Dana Corporation
    Inventors: Dennis W. Shea, Albert A. Hart, Loris J. Charchian
  • Tire for a vehicle wheel
    Patent number: D243168
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: January 25, 1977
    Assignee: Dunlop Limited
    Inventors: Claude Albert Hart, Brian Howard Holmes, Karl Gebert
  • Tire
    Patent number: D247484
    Type: Grant
    Filed: August 17, 1976
    Date of Patent: March 14, 1978
    Assignee: Dunlop Limited
    Inventors: Claude Albert Hart, Anthony Mark Mills