Patents by Inventor Robert Utterback

Robert Utterback 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).

  • Door operating system
    Patent number: 6002217
    Abstract: The present invention relates to a door operating system for controlling the movement of a door, the system having a motor with a motor shaft for providing rotational energy to the system and a gear chain assembly for receiving the rotational energy from the motor shaft and applying the received rotational energy to the door to move the door, comprising a sprocket rotatably mounted on the gear chain assembly for rotation around an axis of the gear chain assembly and fixedly coupled to the motor shaft for receiving and transmitting the rotational energy from the motor shaft; a drive pin fixedly disposed on the sprocket for rotational movement around the axis of the gear chain assembly as the sprocket rotates around the axis; a rotational energy receiving extension rotatably mounted on the gear chain assembly and drivingly coupled to the door for moving the door; a drive dog fixedly disposed on the energy receiving extension for rotational movement around the axis of the gear chain assembly as the energy receiv
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: December 14, 1999
    Assignee: Dorma Door Controls, Inc.
    Inventors: James C. Stevens, Robert Utterback, James D. Rhoads
  • Handheld two way radio
    Patent number: D425886
    Type: Grant
    Filed: April 22, 1999
    Date of Patent: May 30, 2000
    Assignee: Zionsville Engineering, Inc.
    Inventors: Eric A. Larson, Robert Utterback
  • Handheld two way radio
    Patent number: D430125
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: August 29, 2000
    Assignee: Zionsville Engineering, Inc.
    Inventors: Eric A. Larson, Robert Utterback