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.

Date of Patent:
Feb. 19, 2019

Filed:

Nov. 24, 2015
Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Abhishek Shrivastava, Edina, MN (US);

George D. Caffell, Moss Beach, CA (US);

Thomas W. Stroud, Newark, CA (US);

David A. Voth, San Jose, CA (US);

Tanya K. Krueger, San Jose, CA (US);

Scott T. Burr, Midland, MI (US);

Gerald Drouin Corcoran, Santa Clara, CA (US);

John H. Mallard, Stratton, VT (US);

Michael J. Vosberg, San Carlos, CA (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 21/26 (2006.01); B01D 36/04 (2006.01); B01D 29/11 (2006.01); B01D 29/00 (2006.01); B04C 5/04 (2006.01); B04C 5/081 (2006.01); B04C 9/00 (2006.01);
U.S. Cl.
CPC ...
B01D 21/267 (2013.01); B01D 29/0018 (2013.01); B01D 29/112 (2013.01); B01D 36/045 (2013.01); B04C 5/04 (2013.01); B04C 5/081 (2013.01); B01D 2201/0461 (2013.01); B01D 2201/18 (2013.01); B01D 2201/4084 (2013.01); B01D 2201/583 (2013.01); B04C 2009/004 (2013.01);
Abstract

A filter assembly including a filter screen () comprising a band (') of porous material extending between two axially aligned opposing ends (′) and defining a cylindrical periphery (), wherein the ends (′) are each secured to a dynamic tensioning mechanism () that permits the ends (′) to move bi-directionally relative to one another about the periphery () of the filter screen ().


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