The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2006
Filed:
Feb. 25, 2003
Applicants:
Ernest R. Bergman, Yorkshire, OH (US);
Scott D. Schulze, Troy, OH (US);
Brad A. Schulze, Minster, OH (US);
Inventors:
Ernest R. Bergman, Yorkshire, OH (US);
Scott D. Schulze, Troy, OH (US);
Brad A. Schulze, Minster, OH (US);
Assignee:
Copeland Corporation, Sidney, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 39/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A valve plate assembly includes an upper valve plate, a lower valve plate, an annular spacer and a center spacer. The annular spacer is located between the upper and lower valve plates and around the outer periphery of the upper and lower valve plates. The center spacer is located at approximately the geometric center of the valve plate assembly to provide additional support for the valve plate assembly.