LexDanaLexDanabeta
Inventor

Willi Leweke

Inventor
Dortmund, DE

Overview

1→
Patents
1986
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B21Cprimary
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling100%
PatentTitleYear
4,578,971'Machine for manufacturing spiral seam piping from strip metal'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to HOESCH AG (1)· patent assignee history
1986Based in Dortmund, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HOESCH AG11986
Locations
LocationPatentsSpan
Dortmund, DE11986