Patents by Inventor Richard A Zapke

Richard A Zapke 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).

  • Intrinsically safe valve for a combustion spray gun and a method of operation
    Patent number: 8109447
    Abstract: A valve for a combustion spray gun. An apparatus includes a torsion element rotatable relative to a housing of the combustion spray gun to a charged position. The apparatus also includes a biasing element applying a force to the torsion element, which force urges the torsion element to move a valve core to an off position. The apparatus further includes an engagement mechanism configured to selectively engage and hold the torsion element in the charged position.
    Type: Grant
    Filed: April 22, 2009
    Date of Patent: February 7, 2012
    Assignee: Sulzer Metco (US) Inc.
    Inventors: Robert F. Savill, Jr., Mark F. Spaulding, James K. Weber, Richard A Zapke
  • INTRINSICALLY SAFE VALVE FOR A COMBUSTION SPRAY GUN AND A METHOD OF OPERATION
    Publication number: 20100270387
    Abstract: A valve for a combustion spray gun. An apparatus includes a torsion element rotatable relative to a housing of the combustion spray gun to a charged position. The apparatus also includes a biasing element applying a force to the torsion element, which force urges the torsion element to move a valve core to an off position. The apparatus further includes an engagement mechanism configured to selectively engage and hold the torsion element in the charged position.
    Type: Application
    Filed: April 22, 2009
    Publication date: October 28, 2010
    Applicant: SULZER METCO (US) INC.
    Inventors: Robert F. SAVILL, JR., Mark F. SPAULDING, James K. WEBER, Richard A. ZAPKE