Screw pump
Description
Claims
The ornamental design for a screw pump, as shown and described.
Referenced Cited
Patent History
Patent number: D657799
Type: Grant
Filed: Mar 5, 2010
Date of Patent: Apr 17, 2012
Assignee: Jung & Co. Gerätebau GmbH (Kummerfeld/Pinneberg)
Inventor: Hans Jung (Pinneberg)
Primary Examiner: Ralf Seifert
Attorney: Rankin, Hill & Clark LLP
Application Number: 29/357,070
Type: Grant
Filed: Mar 5, 2010
Date of Patent: Apr 17, 2012
Assignee: Jung & Co. Gerätebau GmbH (Kummerfeld/Pinneberg)
Inventor: Hans Jung (Pinneberg)
Primary Examiner: Ralf Seifert
Attorney: Rankin, Hill & Clark LLP
Application Number: 29/357,070
Classifications
Current U.S. Class:
Pump Or Compressor (D15/7)