Patents by Inventor Carl S. Petrat

Carl S. Petrat 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).

  • Airport hangar door
    Patent number: 9273507
    Abstract: A door assembly for providing access to an enclosed space such as an airplane hangar. The door assembly includes a door panel configured to open and close an opening is provided. The door assembly includes an actuator configured to drive a rod upwardly. A first pin is fixedly mounted to the rod and rotatably mounted to the door. A link limits the upward advancement of a top portion of the door. The door is carried upward by the first pin, and rotated about the first pin as the link limits the upward advancement of the top portion of the doors.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: March 1, 2016
    Inventor: Carl S. Petrat
  • AIRPORT HANGAR DOOR
    Publication number: 20150204131
    Abstract: A door assembly for providing access to an enclosed space such as an airplane hangar. The door assembly includes a door panel configured to open and close an opening is provided. The door assembly includes an actuator configured to drive a rod upwardly. A first pin is fixedly mounted to the rod and rotatably mounted to the door. A link limits the upward advancement of a top portion of the door. The door is carried upward by the first pin, and rotated about the first pin as the link limits the upward advancement of the top portion of the doors.
    Type: Application
    Filed: January 23, 2015
    Publication date: July 23, 2015
    Inventor: Carl S. Petrat