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:
Jan. 05, 1999
Filed:
Mar. 29, 1996
Applicant:
Inventors:
Gerhard Bienhaus, Wielenbach, DE;
Michael Fritz, Biblis, DE;
Jurgen Schwab, Ketsch, DE;
Edda Geisler, Mannheim, DE;
Herbert Harttig, Altrip, DE;
Heinz Macho, Furth, DE;
Assignee:
Boehringer Mannheim GmbH, Mannheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
B01L / ;
U.S. Cl.
CPC ...
422102 ; 422100 ; 422101 ; 422102 ; 422103 ; 422104 ; 436180 ;
Abstract
A vessel for reducing contamination of liquids is formed of a vessel body with an inlet opening and an outlet opening therein. A closing device is attached to the vessel body adjacent the outlet opening. The closing device closes the outlet opening, and includes a normally closed one-way valve which is openable by a predetermined pressure from within the vessel body.