Patents by Inventor John M. Lipman

John M. Lipman 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).

  • Differential unit
    Patent number: 5484348
    Abstract: The differential unit includes an input gear for receiving power, a first arrangement of gears for delivering power to a first output gear arrangement, and a second arrangement of gears for delivering power to second and third output gear arrangements. The first arrangement of gears transmits power from the input gear for receiving power to the first output gear arrangement and an input annular ring gear of the second arrangement of gears, and operates as a differential connected between the first output gear arrangement and the input annular ring gear of the second arrangement of gears. The second arrangement of gears transmits power from the input annular ring gear to both the second and third output gear arrangements and operates as a differential connected between the second and third output gear arrangements.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: January 16, 1996
    Assignee: Lotus Cars Ltd.
    Inventors: David Brown, John M. Lipman
  • Fuel transfer system with aspirator
    Patent number: 4951699
    Abstract: A device and system to transport fuel from one interior portion of a fuel tank to another by automatic siphon action, the siphon being initiated by an aspirator which evacuates air and fuel vapor from the siphon by the flow effect of the return fuel through a venturi or reduced diameter portion of the return fuel line.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: August 28, 1990
    Assignee: Chrysler Corporation
    Inventor: John M. Lipman