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. 21, 2000
Filed:
Jun. 07, 1999
Applicant:
Inventors:
Jerry M Wolf, Powell, OH (US);
Hiten T Shah, Delaware, OH (US);
Assignee:
Acoust-A-Fiber Research and Development Inc, Delaware, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181252 ; 181256 ;
Abstract
A silencer and method of making are described. A tube is wrapped with a layer of texturized fiber yarn. A septum is then overlaid. Other layers of fiber and septums may also be added. Once rolling is completed, the roll is placed in a canister with end caps.