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:
Jul. 31, 2012
Filed:
Oct. 13, 2008
Applicants:
Eric Wright, Evans Mill, NY (US);
Richard Kohar, Kingston, CA;
Inventors:
Eric Wright, Evans Mill, NY (US);
Richard Kohar, Kingston, CA;
Assignee:
New York Air Brake Corporation, Watertown, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 45/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter having two drain valves piloted by an electro-pneumatic valve. A check valve may be provided to by pass the filter. A membrane filter housing may include vanes extending into a reservoir in which the membrane filter extends. Also, one of the circumferential recesses of the bore for the membrane filter is in the reservoir.