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. 14, 1992
Filed:
Mar. 15, 1990
Applicant:
Inventor:
Eike Herfurth, Allens, DE;
Assignee:
Elkem a/s, , NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
137268 ; 137545 ; 137565 ; 137605 ;
Abstract
The present invention relates to a self-cleaning dosing pump system for delivering a slurry of solid particles and water. The dosing pump system comprises a membrane metering pump 10 and at least one sieve 11-13, arranged at the delivery end of the pump 10.