Patents by Inventor Thomas W. Carr

Thomas W. Carr 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).

  • Snap action toggle valve actuator assembly
    Patent number: 5230361
    Abstract: A snap action toggle valve actuator assembly for use in a fluid holding tank. Movement of a float or other movable actuating element causes pivotal movement of pivot arm, which compresses a spring. When the float element reaches a predetermined level, the spring causes a downward movement in linkage attached to the rear of a valve actuating lever and an upward movement of a valve rod secured to the other end of the valve actuating lever and vice versa.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: July 27, 1993
    Assignee: Spirax Sarco, Inc.
    Inventors: Thomas W. Carr, Daniel Douro
  • Quiet nacelle system and hush kit
    Patent number: 4817756
    Abstract: A quiet nacelle system for jet aircraft engines includes a nose cowl and nose dome having a sound-attenuating liner, a concentric ring between the nose cowl and nose dome, and fan duct components having a sound-attenuating liner. The system is particularly suitable for JT3D-3B and JT3D-7 engines for use with DC-8 aircraft. The components may be combined as a hush kit for retrofit in existing nacelle systems.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: April 4, 1989
    Assignee: Aeronautic Development Corp. Ltd.
    Inventors: Thomas W. Carr, Philip M. Rose, Alan H. Marsh
  • Quiet nacelle system and hush kit
    Patent number: 4723626
    Abstract: A quiet nacelle system for jet aircraft engines includes an elongated nose cowl and nose dome of the nacelle and a sound-attenuating liner applied to the nose cowl, nose dome and fan duct components. The system is particularly suitable for JT3D-3B and JT3D-7 engines for use with DC-8 aircraft. The components may be combined as a hush kit for retrofit in existing nacelle systems.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: February 9, 1988
    Assignee: Aeronautic Development Corporation, Ltd.
    Inventors: Thomas W. Carr, Philip M. Rose
  • Method of tempering glass sheets of unequal thickness
    Patent number: 4065284
    Abstract: Glass sheets of unequal thickness are tempered sequentially on one tempering line by employing a lightweight heating furnace within which each glass sheet may be brought up to a thermal condition suitable for tempering by a two-stage heating cycle which differs from one glass thickness to another. Also disclosed are means for temporarily adapting a conventional tempering line for carrying out such a process.
    Type: Grant
    Filed: March 1, 1977
    Date of Patent: December 27, 1977
    Assignee: PPG Industries, Inc.
    Inventors: Raymond L. Mang, Thomas W. Carr