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:
Sep. 06, 1988
Filed:
Apr. 08, 1987
Applicant:
Inventors:
Ricky H McCormick, Portage, MI (US);
John D Vander Ark, Jr, Kalamazoo, MI (US);
Assignee:
Delaware Capital Formation, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210108 ; 21033301 ; 210427 ; 251 58 ; 251229 ; 7460 / ;
Abstract
A filter assembly includes at least one filter unit, a plurality of conduits extending transversely past the filter unit, a plurality of valves actuable to connect the filter unit to the conduits for alternate forward and reverse fluid flow through the filter unit, a plurality of actuators designed to actuate said valves on a one to one basis and a single drive motor linked to all the actuators of a given filter unit. The number of valves and actuators per filter unit correspond to the number of conduits to which the filter unit is to be attached.