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. 18, 2014
Filed:
Sep. 17, 2008
Applicants:
Nobuo Shigematsu, Tokyo, JP;
Hiroyuki Ide, Tokyo, JP;
Inventors:
Nobuo Shigematsu, Tokyo, JP;
Hiroyuki Ide, Tokyo, JP;
Assignee:
Shigematsu Works Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 18/02 (2006.01); F16K 31/02 (2006.01); A62B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A breathing apparatus including a face piece for covering the whole face or part of the face, an inhale valve and an exhale valve provided on the face piece, a motor fan for supplying external air into the face piece through the inhale valve, a filter for cleaning the external air sucked into the motor fan, a breath monitoring apparatus provided on the face piece and not comprising the inhale valve and the exhale valve, and a controller for controlling the operation of the motor fan synchronously with the breath based on the detection signal from the breath monitoring apparatus.