Patents by Inventor Meredith R. Davis

Meredith R. Davis 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).

  • Car blocking apparatus
    Patent number: 4333549
    Abstract: An elevator car blocking apparatus is disclosed. A small, portable blocking apparatus is initially strapped to the elevator guide rail. It includes a roller and a retainer on which the car rests when it is blocked. The roller is forced between the rail and a retainer to block the car. The roller position between the rail and the retainer can be adjusted to allow the apparatus to be shifted easily on the rail.
    Type: Grant
    Filed: June 25, 1980
    Date of Patent: June 8, 1982
    Assignee: Otis Elevator Company
    Inventor: Meredith R. Davis