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. 30, 1980
Filed:
Oct. 23, 1978
Applicant:
Inventor:
Hans-Henrich Stiehl, Berlin, DE;
Assignee:
Delbag-Luftfilter GmbH, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
55378 ; 55 96 ; 55380 ; 55483 ; 55497 ; 55502 ; 55521 ; 176 14 ;
Abstract
An exchangeable filter element is disclosed. The filter element is especially adapted for nuclear installations for the purification of gas streams which contain toxic or radioactive matter. A method is also disclosed for the exchange and disposal of contaminated filter elements, which filter elements are reducible in volume for packing into waste containers.