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Inventor

Klaus Walden

Inventor
Buxtehude, DE

Overview

3→
Patents
1981–2002
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B22Dprimary
B22DCasting of metals25%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel25%
LOC2125%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
D0459780'Life jacket'20024,290,800'Process for feeding iron sponge into an electric arc furnace'19814,268,015'Bottom outlet or discharge for use in metallurgical vessels for steel melts, particularly tundishes'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to DIDIER WERKE AG (1)· patent assignee history
1981Patents assigned to HAMBURGER STAHLWERKE GMBH (1)· patent assignee history
1981Based in Buxtehude, DE· patent location history
2002Patents assigned to PAUL MERTEN GMBH & CO KG (1)· patent assignee history
2002Based in Lbeck, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DIDIER WERKE AG11981
HAMBURGER STAHLWERKE GMBH11981
PAUL MERTEN GMBH & CO KG12002
Locations
LocationPatentsSpan
Buxtehude, DE21981
Lbeck, DE12002