Inventor
Gerhardus Johannes Mulder
Inventor
Essen, DE
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B23Kprimary
B23KSoldering or unsoldering67%
C21DModifying the physical structure of ferrous metals17%
E01BPermanent way17%
PatentTitleYear
6,227,282'Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region'20016,125,913'Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region'20005,944,914'Aluminothermic mixture with ferrochromium alloy'19995,486,245'Method for raising welded rail connections lying below the traveling surface on railroad tracks'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2001Patents assigned to ELEKTRO THERMIT GMBH (4)· patent assignee history
1996–2001Based in Essen, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ELEKTRO THERMIT GMBH | 4 | 1996–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Essen, DE | 4 | 1996–2001 |