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:
Oct. 13, 2009
Filed:
Oct. 28, 2004
Applicants:
Joseph L. Meloche, Rochester Hills, MI (US);
Stephen D. Able, Bethlehem, PA (US);
Jana Able, Legal Representative, Bethlehem, PA (US);
Inventors:
Joseph L. Meloche, Rochester Hills, MI (US);
Stephen D. Able, Bethlehem, PA (US);
Jana Able, legal representative, Bethlehem, PA (US);
Assignee:
Ingersoll-Rand Company, Montvale, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 43/06 (2006.01); F04B 53/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump assembly comprising an apparatus for reducing process noise manifest in a piping system. The invention introduces a pump pulse to counteract a negative dip in pressure when the reciprocating pump is at the completion of each pump stroke.