Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Guido Sowa0
Dirk Wenderott0
Date of Patent
May 7, 2019
0Patent Application Number
149156010
Date Filed
August 18, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A pump having a cutting wheel (20) and a pre-cutter (26) driven by a shaft portion (24) that projects axially from the cutting wheel (20) and has a plurality of wings (28) that extend radially from the shaft portion (24), wherein the wings (28) differ in their axial arrangement on the shaft portion (24).
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