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. 15, 2014
Filed:
Jul. 28, 2011
Applicants:
Jon E. Johnson, Plymouth, MN (US);
Matthew D. Mittag, Eden Prairie, MN (US);
Inventors:
Jon E. Johnson, Plymouth, MN (US);
Matthew D. Mittag, Eden Prairie, MN (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 29/66 (2006.01); B01D 63/10 (2006.01); B01D 63/12 (2006.01); B01D 65/02 (2006.01); C02F 1/44 (2006.01); C02F 103/08 (2006.01); B01D 53/22 (2006.01);
U.S. Cl.
CPC ...
C02F 1/44 (2013.01); C02F 2201/004 (2013.01); C02F 1/442 (2013.01); B01D 63/10 (2013.01); B01D 2313/04 (2013.01); B01D 2321/02 (2013.01); B01D 63/12 (2013.01); C02F 1/444 (2013.01); B01D 2313/08 (2013.01); B01D 65/02 (2013.01); C02F 2103/08 (2013.01); B01D 2313/18 (2013.01); C02F 1/441 (2013.01); B01D 2313/083 (2013.01); B01D 2053/221 (2013.01);
Abstract
A spiral wound element and a seal assembly comprising: a ring-shaped seal disposed about a portion of an outer periphery of the element, a secondary pathway and a valve that selectively permits fluid flow through the secondary pathway.