Patents by Inventor Gerald N Chipperfield

Gerald N Chipperfield 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).

  • Combination wheel ramp and jack
    Patent number: 5855359
    Abstract: A new combination wheel ramp and jack for raising a wheel and a corresponding part of the vehicle so that access to the underside of the vehicle is more easily achieved. The inventive device includes a lower support base assembly, an upper wheel platform assembly, a scissors assembly connecting the support base assembly and the wheel platform assembly and causing vertical movements of the wheel platform assembly when actuated, and a screwjack assembly connected to the scissors assembly for actuating the scissors assembly and thus causing vertical movement of the wheel platform assembly.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: January 5, 1999
    Inventor: Gerald N Chipperfield