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:
Mar. 22, 2022
Filed:
May. 19, 2021
Applicants:
James T. Crawford, Iii, Charlotte, NC (US);
Edward W. Waters, Jr., Charlotte, NC (US);
Christopher Jacobs, Charlotte, NC (US);
Inventors:
James T. Crawford, III, Charlotte, NC (US);
Edward W. Waters, Jr., Charlotte, NC (US);
Christopher Jacobs, Charlotte, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 3/167 (2021.01); F24F 8/108 (2021.01); F24F 13/28 (2006.01); F24F 3/00 (2006.01);
U.S. Cl.
CPC ...
F24F 3/167 (2021.01); F24F 8/108 (2021.01); F24F 13/28 (2013.01); B01D 2271/00 (2013.01); B01D 2271/02 (2013.01); F24F 2003/008 (2013.01);
Abstract
A clean room supporting multiple air filter elements within a frame having multiple tracks to support extensions on individual edges of the air filter elements. Within the multiple tracks are a tape of elastic ultralow density polytetrafluoroethylene polymer having a specific density of always less than 1.0, preferably less than 0.8 and most preferred as greater than 0.25 and less than 0.6 positioned along the length of the tracks.