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. 06, 2001
Filed:
Jan. 07, 2000
Applicant:
Inventors:
Thomas E. Lippert, Murrysville, PA (US);
Gerald J. Bruck, Murrysville, PA (US);
Mary Anne Alvin, Pittsburgh, PA (US);
Assignee:
Siemens Westinghouse Power Corporation, Orlando, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 3/514 ; B01D 3/912 ; B01D 2/952 ;
U.S. Cl.
CPC ...
B01D 3/514 ; B01D 3/912 ; B01D 2/952 ;
Abstract
A fail-safe/regenerator device (,), for use within a filter assembly (,) also containing a main filter element (,), contains a top main support (,), and a bottom main support (,), where a rigid, static bed of needles, fibers or wires (,), having an aspect ratio of 30 to 2000 and having crossover points (,), are effective to trap contacting contaminating particulates permanently, and may have an associated safety filter