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:
Nov. 07, 2017
Filed:
Jan. 09, 2012
Vinay Kumar Vinnakota, Andhra Pradesh, IN;
Praveen Kumar Palacharla, Andhra Pradesh, IN;
Swapnil Gopal Patil, Maharashtra, IN;
Vinay Kumar Vinnakota, Andhra Pradesh, IN;
Praveen Kumar Palacharla, Andhra Pradesh, IN;
Swapnil Gopal Patil, Maharashtra, IN;
Honeywell International Inc., Morris Plains, NJ (US);
Abstract
A powered air purifying respirator (PAPR). The PAPR comprises an electric motor mechanically coupled to a blower, an oxygen sensor, an alarm device, and a controller coupled to the oxygen sensor and to the electric motor, wherein the controller controls the electric motor, wherein the controller determines if the oxygen concentration is deficient, and wherein the controller commands the alarm device to present an indication when the oxygen concentration is deficient.