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Inventor

Norbert Schwinke-Kruse

Inventor
Dreieich, DE

Overview

4→
Patents
1996–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C10Mprimary
C10MLubricating compositions40%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions30%
B01DSeparation10%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling10%
C23CCoating metallic material10%
PatentTitleYear
10,392,705Method for preparing shaped metal bodies for cold working20196,479,439'Regenerator of acid reaction lubricant residues'20026,034,041'Lubricant for metal forming'20005,584,945'Lubricant carrier salt for metal forming'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2002Patents assigned to METALLGESELLSCHAFT AG (3)· patent assignee history
1996–2002Based in Dreieich, DE· patent location history
2019Patents assigned to CHEMETALL GMBH (1)· patent assignee history
2019Based in Bad Munstereifel, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
METALLGESELLSCHAFT AG31996–2002
CHEMETALL GMBH12019
Locations
LocationPatentsSpan
Dreieich, DE31996–2002
Bad Munstereifel, DE12019