Inventor
Karl J. Reifferscheid
Inventor
Karben, DE
Overview
Patents· 6 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 steel45%
C22CAlloys27%
B22DCasting of metals18%
B22FWorking metallic powder9%
PatentTitleYear
5,209,901'Agent for the treatment of cast iron melts'19935,205,856'Inoculation wire'19934,874,576'Method of producing nodular cast iron'19894,867,227'Process and apparatus for inoculating cast iron'19894,540,436'Treatment agent for cast iron melts and a process for the production thereof'19854,412,578'Apparatus for treating molten cast iron'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1989Patents assigned to METALLGESELLSCHAFT AG (4)· patent assignee history
1983–1993Patents assigned to SUEDDEUTSCHE KALKSTICKSTOFF (4)· patent assignee history
1983–1993Based in Karben, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| METALLGESELLSCHAFT AG | 4 | 1983–1989 |
| SUEDDEUTSCHE KALKSTICKSTOFF | 4 | 1983–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Karben, DE | 6 | 1983–1993 |