Inventor
Rainer Dittrich
Inventor
Duisburg, DE
Overview
Patents· 3 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 steel60%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace40%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2001Patents assigned to MANNESMANN AG (2)· patent assignee history
1993Based in Duisberg, DE· patent location history
2001–2002Based in Duisburg, DE· patent location history
2002Patents assigned to SMS DEMAG AG (1)· patent assignee history
2002Patents assigned to THYSSENKRUPP STAHL AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MANNESMANN AG | 2 | 1993–2001 |
| SMS DEMAG AG | 1 | 2002 |
| THYSSENKRUPP STAHL AG | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Duisburg, DE | 2 | 2001–2002 |
| Duisberg, DE | 1 | 1993 |