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Inventor

Wilfried Pulvermacher

Inventor
Bochum, DE

Overview

2→
Patents
1979–1981
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C21Cprimary
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel50%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace50%
PatentTitleYear
4,273,949'Arc furnace roof'19814,178,173'Process for producing stainless steels'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1981Patents assigned to KRUPP AG HUETTENWERKE (2)· patent assignee history
1979–1981Based in Bochum, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KRUPP AG HUETTENWERKE21979–1981
Locations
LocationPatentsSpan
Bochum, DE21979–1981