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:
Sep. 17, 2002
Filed:
Nov. 13, 2000
Applicant:
Inventors:
Philippe Andreani, Le Kremlin Bicetre, FR;
Christian Berta, Villiers sur Marne, FR;
Thomas Wellnitz, Paris, FR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 5/300 ; B01D 5/3047 ;
U.S. Cl.
CPC ...
B01D 5/300 ; B01D 5/3047 ;
Abstract
An air treatment plant includes a waste gas vent connected to structure ( ) for attenuating the noise conducted by this waste gas. The noise attenuation structure ( ) is a substantially closed and at least partially buried enclosure ( ). The invention applies especially to plants for separating air by pressure swing adsorption.