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. 29, 2023
Filed:
Dec. 03, 2018
Applicant:
Novinium, Llc, Kent, WA (US);
Inventor:
Glen John Bertini, Fox Island, WA (US);
Assignee:
NOVINIUM, LLC, Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21F 1/04 (2006.01); E21F 11/00 (2006.01); E21F 17/18 (2006.01);
U.S. Cl.
CPC ...
E21F 11/00 (2013.01); E21F 1/04 (2013.01); E21F 17/18 (2013.01);
Abstract
A hose for use with a blower and an underground vault. The hose surviving an explosion initiated inside the underground vault. The hose is blast-resistant, arc-flash-resistant, and fire-resistant. A first end of the hose is connectable to the blower and configured to receive fresh air from the blower when connected thereto. The hose conducts the fresh air to a second end of the hose. The second end is positionable inside the underground vault wherein the fresh air provides sufficient breathable air to any personnel present in the underground vault.