LexDanaLexDanabeta
Inventor

Helmut Pohl

Inventor
Neunkirchen, AT

Overview

3→
Patents
1990–1995
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C21Dprimary
C21DModifying the physical structure of ferrous metals50%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling25%
C22CAlloys25%
PatentTitleYear
5,467,631'Method for manufacturing a plug-type chamber used in the cascade drawing of tubes, and device for implementing the method'19955,026,436'Process for the production of tubular bodies'19914,919,728'Method of manufacturing nonmagnetic drilling string components'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to VER EDELSTAHLWERKE AG (1)· patent assignee history
1990–1991Based in Neunkirchen, AT· patent location history
1991Patents assigned to SCHOELLER BLECKMANN STAHLWERKE (1)· patent assignee history
1995Patents assigned to KABELMETAL AG (1)· patent assignee history
1995Based in Eitorf, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KABELMETAL AG11995
SCHOELLER BLECKMANN STAHLWERKE11991
VER EDELSTAHLWERKE AG11990
Locations
LocationPatentsSpan
Neunkirchen, AT21990–1991
Eitorf, DE11995