Patents by Inventor David P. Ratliff

David P. Ratliff 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).

  • Throttle valve lock for automobile
    Patent number: 4056089
    Abstract: A locking member to block motion of the throttle valve lever, to prevent admission of gasoline to an internal combustion engine; means mounting the locking member upon the carburetor for travel between a throttle valve locking position and a release position; drive means to selectively urge the lock member in travel between the two positions; a housing mounted within the passenger compartment of the vehicle, and containing a locking assembly accessible to a driver to control the lock member; the locking assembly including a slide member slidable in reversible travel to actuate the drive member to urge the lock member in reciprocable travel between the throttle valve locking and release position.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: November 1, 1977
    Inventor: David P. Ratliff