Patents by Inventor Richard J. Fendley

Richard J. Fendley 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).

  • Process for the removal of a silicon coating from a surface
    Patent number: 5358603
    Abstract: This invention relates to a process for etching a silicon coat on the inside wall of a tube. The tube may be a product discharge tube associated with a fluidized bed reactor used in the thermal production of silicon from a silicon containing compound, e.g., silane. The process features: a) heating the silicon coat to a temperature within the range of from about 500.degree. to about 750.degree. C., such heating occurring principally with radiant heat from a heating means inserted within the interior of the tube; and (b) contacting the heated silicon coat with a mineral acid which etches the heated silicon coat.
    Type: Grant
    Filed: October 6, 1992
    Date of Patent: October 25, 1994
    Assignee: Albemarle Corporation
    Inventors: Jameel Ibrahim, Richard J. Fendley, Troy E. DeSoto, Jerry G. Hitchens
  • Valve
    Patent number: 5305985
    Abstract: An improved valve of the flapper plate type is disclosed, the valve comprising at least one flexible member for connecting the flapper plate and the arm actuating the flapper. The flexible member absorbs impact energy and allows restricted three dimensional movement of the flapper plate. The seals for the flapper plate and the seat comprise electrically conductive sealing materials.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: April 26, 1994
    Assignee: Ethyl Corporation
    Inventors: Richard J. Fendley, Linda M. White, James R. Meyer