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:
Aug. 26, 2008
Filed:
Jun. 19, 2006
Applicant:
Daniel A. Newman, Salem, VA (US);
Inventor:
Daniel A. Newman, Salem, VA (US);
Assignee:
Tetra Holding (US), Inc., Blacksburg, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01K 63/04 (2006.01); B01D 35/027 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter arrangement for filtration of a primary fluid, the filter arrangement having a filtration region and a bypass region. The bypass region is a sealed region containing a secondary fluid having a specific gravity different than a specific gravity of the primary fluid. The bypass region providing a bypass pathway for flow of the primary fluid during extended use of a clogged filter cartridge.