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:
Aug. 27, 2024

Filed:

Jun. 09, 2017
Applicants:

David Emerson Maust, Grantsville, MD (US);

Shawn L. Fike, Oakland, MD (US);

Michael Scott Bishoff, Friendsville, MD (US);

Inventors:

David Emerson Maust, Grantsville, MD (US);

Shawn L. Fike, Oakland, MD (US);

Michael Scott Bishoff, Friendsville, MD (US);

Assignee:

Strata Products Worldwide, LLC, Sandy Springs, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21F 11/00 (2006.01); E04H 15/20 (2006.01);
U.S. Cl.
CPC ...
E21F 11/00 (2013.01); E04H 15/20 (2013.01); E04H 2015/201 (2013.01); E04H 2015/206 (2013.01);
Abstract

A refuge shelter includes a container. The shelter includes a tent that is disposed in the container in an undeployed state. The tent includes an inflatable support structure which is inflatable from an undeployed state in the container to a deployed state, and a seal which seals the tent to the container in a deployed state. The support structure has a plurality of hoses interconnected by couplers. The hoses have an inside diameter of less than 5 inches. A gas flow apparatus. A refuge shelter for miners in a mine includes a container and a tent that is disposed in the container. The tent has a test support to which a sample of the external environment can be obtained from inside the tent when the tent is deployed. A method for providing a refuge chamber for miners in a mine.


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