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:
Jun. 28, 2011
Filed:
Nov. 11, 2005
Applicant:
Peter Wagner, Werdohl, DE;
Inventor:
Peter Wagner, Werdohl, DE;
Assignee:
Brinkmann Pumpen K.H. Brinkmann GmbH & Co. KG, Werdohl, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump having an axial impeller () with helical blades () for sucking liquid through an intake opening () formed at a bottom side of the axial impeller (), in which the blades () are provided, at the bottom side of the axial impeller (), with a first cutting edge () which, when the axial impeller () rotates, are in cutting relation with at least one second cutting edge () formed at the intake opening ().