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:
Apr. 12, 1994
Filed:
Sep. 01, 1992
Applicant:
Inventors:
Petros Koutrakis, Wellesley, MA (US);
Stephen T Ferguson, W. Concord, MA (US);
Jack M Wolfson, Jamaica Plain, MA (US);
Assignee:
President and Fellows of Harvard College, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95285 ; 55270 ; 55485 ; 55486 ; 55523 ; 55524 ;
Abstract
A denuder for collection of gases, consisting of a plurality of generally parallel elongated tubes having a surface formed from an inert non-metallic material, said tubes being configured and arranged to allow recovery of gaseous material collected on each said surface.