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:
Dec. 18, 2007
Filed:
May. 05, 2006
Applicants:
Russell Keene, Sudbury, MA (US);
Mark Moeller, Kingston, MA (US);
Theodore D. Ciolkosz, Milton, MA (US);
Inventors:
Russell Keene, Sudbury, MA (US);
Mark Moeller, Kingston, MA (US);
Theodore D. Ciolkosz, Milton, MA (US);
Assignee:
Waters Investments Limited, New Castle, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 37/00 (2006.01); F16K 11/074 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides devices and methods for controlling the flow of fluids in very high pressure situations. The devices feature valve shafts having bearings and pins to hold stator surfaces and rotor surfaces in proper alignment.