Inventor
Ernst J. Doliwa
Inventor
Niddatal, DE
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B22Dprimary
B22DCasting of metals50%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel50%
PatentTitleYear
4,412,578'Apparatus for treating molten cast iron'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to METALLGESELLSCHAFT AG (1)· patent assignee history
1983Patents assigned to SUEDDEUTSCHE KALKSTICKSTOFF (1)· patent assignee history
1983Based in Niddatal, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| METALLGESELLSCHAFT AG | 1 | 1983 |
| SUEDDEUTSCHE KALKSTICKSTOFF | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Niddatal, DE | 1 | 1983 |