Patents by Inventor William Elisa Heese

William Elisa Heese 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).

  • Hydraulic actuator
    Patent number: 3979909
    Abstract: A rotary hydraulic actuator adapted to be mounted as on the stationary kingpin fixed on the deck of a self-unloading bulk cargo ship for slewing of a conveyor boom having its foot pivotally connected to oppositely extending horizontal trunnions on the actuator, said actuator being characterized by its unitized construction in which the gear housing is journalled on a gear keyed on said kingpin and which has pairs of parallel cylinders extending in opposite directions from the gear housing for actuating gear racks which mesh with said gear.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: September 14, 1976
    Assignee: HydraPower Inc.
    Inventors: Kenneth Herbert Meyer, William Elisa Heese