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:
Jul. 06, 2010
Filed:
Apr. 06, 2005
Jerry Allen Phifer, Peachland, NC (US);
William Eugene Parson, Indian Trail, NC (US);
Judge W. Morgan, Iii, Oakboro, NC (US);
Robert Daniel Williams, Monroe, NC (US);
Jerry Allen Phifer, Peachland, NC (US);
William Eugene Parson, Indian Trail, NC (US);
Judge W. Morgan, III, Oakboro, NC (US);
Robert Daniel Williams, Monroe, NC (US);
STI Licensing Corporation, Beachwood, OH (US);
Abstract
A combined air-supplying/air-purifying breathing system that includes a self-contained breathing apparatus, a facepiece for delivering breathable air from the self-contained breathing apparatus to a user, and a powered air-purifying respirator having at least one filter and a blower and having an output connected by a hose assembly to the facepiece. A control interface operationally connects the self-contained breathing apparatus to the powered air-purifying respirator. The self-contained breathing apparatus includes a pressure vessel, a cylinder valve assembly and a pressure reducer, all carried by a back frame, and the powered air-purifying respirator is adapted to be mounted on, and carried by, the back frame, by coupling the back frame and the respirator together at respective attachment points.