Patents by Inventor Thomas W. Hartley

Thomas W. Hartley 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).

  • Insulated valve housing
    Patent number: 6079439
    Abstract: An insulating housing for exposed pipeline valves, the housing having a base member which remains attached to the pipeline or pipeline connecting flanges and a removable cover member, where the base member is suspended above the ground and does not extend above the pipeline, so that access to the pipeline valves is maximized when the cover member is removed.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: June 27, 2000
    Inventor: Thomas W. Hartley
  • Insulated valve housing
    Patent number: 5957156
    Abstract: An insulating housing for exposed pipeline valves, the housing having a base member which remains attached to the pipeline or pipeline connecting flanges and a removable cover member, where the base member is suspended above the ground and does not extend above the pipeline, so that access to the pipeline valves is maximized when the cover member is removed.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: September 28, 1999
    Inventor: Thomas W. Hartley