Patents by Inventor James Hobart Crist

James Hobart Crist 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).

  • Radome deicer
    Patent number: 6439505
    Abstract: A deicer (10) for a radome (12) includes an active portion (16) through which transmission occurs and a non-active portion (18) which is attached to an aircraft (14). The deicer (10) comprises a cap portion (20) covering the active portion (16) of the radome (12) but unattached thereto. The cap portion (20) comprises layers (36, 38) defining inflatable/deflatable chambers (24), the layers both being made of non-extensible material such as square woven nylon fabric. When the chambers (24) are inflated, the inner layer (38) lifts off of the active portion (16) of the radome (12). The deicer (10) can additionally comprise a skirt portion (22) which is stretchable to accommodate the inflation of the chambers (24).
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: August 27, 2002
    Assignee: The B. F. Goodrich Company
    Inventors: Robert William Hyde, Thomas Steve Betchel, Guy Neil Shemwell, James Hobart Crist
  • Radome deicer
    Publication number: 20020066827
    Abstract: A deicer (10) for a radome (12) includes an active portion (16) through which transmission occurs and a non-active portion (18) which is attached to an aircraft (14). The deicer (10) comprises a cap portion (20) covering the active portion (16) of the radome (12) but unattached thereto. The cap portion (20) comprises layers (36, 38) defining inflatable/deflatable chambers (24), the layers both being made of non-extensible material such as square woven nylon fabric. When the chambers (24) are inflated, the inner layer (38) lifts off of the active portion (16) of the radome (12). The deicer (10) can additionally comprise a skirt portion (22) which is stretchable to accommodate the inflation of the chambers (24).
    Type: Application
    Filed: December 5, 2000
    Publication date: June 6, 2002
    Inventors: Robert William Hyde, Thomas Steve Betchel, Guy Neil Shemwell, James Hobart Crist