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. 30, 2005
Filed:
May. 21, 2003
Applicants:
Norman R. Mccombs, Tonawanda, NY (US);
Michael R. Valvo, East Aurora, NY (US);
Inventors:
Norman R. McCombs, Tonawanda, NY (US);
Michael R. Valvo, East Aurora, NY (US);
Assignee:
AirSep Corporation, Buffalo, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N001/24 ; F01N001/10 ; B01D035/00 ; B01D046/30 ;
U.S. Cl.
CPC ...
Abstract
A noise muffler for the exhaust of waste gases from apparatus such as an oxygen concentrator, including a muffler core with an inlet to receive the waste gases and a plurality of bores in the core first to direct the waste gases through a filter material and a cap enclosing the filter material and forming a plurality of outlets to direct the waste gases out of the muffler, the bores and outlets positioned to cause the waste gases to change their direction of flow multiple times before exiting the muffler.