Patents by Inventor W. George Derkach

W. George Derkach 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).

  • Weather cap for upstanding exhaust pipes
    Patent number: 4727796
    Abstract: A weather cap for upstanding exhaust pipes for gasoline and diesel engines and the like having an improved mechanism for securing the cap to the pipe. The mechanism comprises an elongated post to extend from the upper edge of the exhaust pipe into the pipe, with a resilient strip spring secured to the post so that the strip string bears against the interior of the pipe thereby securing the cap in position on the pipe.
    Type: Grant
    Filed: October 28, 1986
    Date of Patent: March 1, 1988
    Inventor: W. George Derkach