Patents by Inventor Richard I. Cunningham

Richard I. Cunningham 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).

  • Safety device for a fork-lift equipped refuse vehicle
    Patent number: 4074787
    Abstract: In a trash-collecting vehicle in which fork lifts raise the trash container into an elevated dumping position, a safety device is proposed which applies the vehicle parking brakes and thus immobilizes the vehicle against movement when the fork lifts are raised and thus are in a position capable of striking a ceiling projection, door frame, etc., or when a closure on top of the vehicle is also in a raised position and similarly is capable of striking a ceiling projection or the like.
    Type: Grant
    Filed: July 7, 1976
    Date of Patent: February 21, 1978
    Assignee: Lenmar Industries, Inc.
    Inventors: Richard I. Cunningham, Daniel E. Day