Patents by Inventor Noel G. Cooper

Noel G. Cooper 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).

  • Patent number: 4658934
    Abstract: A lift or elevator for goods or passengers suitable for installation to existing low rise residential or commercial buildings. The lift comprises an upright hollow column (40) having a slot extending along the length of one face (47) thereof, a carriage (50) slidably mounted within the column on tracks (48), a cantilever beam assembly (54) supporting a lift car (55) attached by brackets (52, 53) to the carriage through the slot, a hydraulic ram (60) mounted within the column beneath the carriage and a cable (66) attached to a retaining member (67) at one end, and, via a pulley (63), to the carriage at the other end for elevation thereof. An electrical control circuit, an hydraulic control circuit as well as a method of installing the lift are also disclosed.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: April 21, 1987
    Inventors: Noel G. Cooper, Roy A. Dillon