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Inventor

Edgar Schlipf

Inventor
Stuttgart, DE

Overview

4→
Patents
1991–2004
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B29Bprimary
B29BPreparation or pretreatment of the material to be shaped33%
B29CShaping or joining of plastics22%
F01CRotary-piston or oscillating-piston machines or engines11%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids11%
F04DNon-positive-displacement pumps11%
F16CShafts11%
PatentTitleYear
6,761,546'Gear pump having bearings with cooling ducts'20045,593,227'Twin-shaft screw-type extruding machine having mixing elements with wings'19975,029,403'Post treatment plant for plastic granules'19914,984,977'Screw-type extruder having a starting valve and throttle'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1997Patents assigned to WERNER & PFLEIDERER (3)· patent assignee history
1991–1997Based in Stuttgart, DE· patent location history
2004Patents assigned to COPERION WERNER & PFLEIDERER (1)· patent assignee history
2004Based in Hochdorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WERNER & PFLEIDERER31991–1997
COPERION WERNER & PFLEIDERER12004
Locations
LocationPatentsSpan
Stuttgart, DE31991–1997
Hochdorf, DE12004