Patents by Inventor Donald C. Draper

Donald C. Draper 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).

  • Compressor suction reed valve
    Patent number: 6823891
    Abstract: A suction reed valve includes a central ring shaped body having a pair of tabs extending radially outward. One of the pair of tabs is fixed to a valve plate and the other tab is free to move. A necked down region is located between the fixed tab and the central ring shaped body to facilitate the bending/deflection of the suction reed valve.
    Type: Grant
    Filed: February 25, 2003
    Date of Patent: November 30, 2004
    Assignee: Copeland Corporation
    Inventors: Scott D. Schulze, Brad A. Schulze, Donald C. Draper, Kevin J. Gehret
  • Compressor suction reed valve
    Publication number: 20040163713
    Abstract: A suction reed valve includes a central ring shaped body having a pair of tabs extending radially outward. One of the pair of tabs is fixed to a valve plate and the other tab is free to move. A necked down region is located between the fixed tab and the central ring shaped body to facilitate the bending/deflection of the suction reed valve.
    Type: Application
    Filed: February 25, 2003
    Publication date: August 26, 2004
    Inventors: Scott D. Schulze, Brad A. Schulze, Donald C. Draper, Kevin J. Gehret