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Inventor

Heinz Kron

Inventor
Dusseldorf, DE

Overview

2→
Patents
1977–1999
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B21Bprimary
B21BRolling of metal25%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling25%
C21DModifying the physical structure of ferrous metals25%
C22CAlloys25%
PatentTitleYear
5,958,158'Method of manufacturing hot-worked elongated products, in particular bar or pipe, from high alloy or hypereutectoidal steel'19994,006,622'Continuous process for the production of very long precision tubes and installation for carrying out the process'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to MANNESMANN ROEHREN WERKE AG (1)· patent assignee history
1977–1999Based in Dusseldorf, DE· patent location history
1999Patents assigned to MANNESMANN AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MANNESMANN AG11999
MANNESMANN ROEHREN WERKE AG11977
Locations
LocationPatentsSpan
Dusseldorf, DE21977–1999