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. 13, 1998
Filed:
May. 03, 1996
Applicant:
Inventor:
Rudolf R Karliner, Minnetonka, MN (US);
Assignee:
Aeration Industries International, Inc., Chaska, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
261 91 ; 261120 ;
Abstract
Apparatus for use in aeration of a fluid. The apparatus includes a power unit having a rotatable shaft. An impeller is coupled to the shaft. The impeller has a blade with a generally uniform outside diameter. A diffuser head is positioned proximate the impeller. The impeller may be a screw impeller. The diffuser head may be a stepped diffuser head.