Inventor
Werner Otremba
Inventor
Oberhausen, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Bprimary
C21BManufacture of iron or steel47%
F27BFurnaces, kilns, ovens or retorts in general27%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace20%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors7%
PatentTitleYear
6,540,958'Bell and hopper for shaft furnaces'20036,144,689'Cooling plate for shaft furnaces'20006,132,673'Cooling plates for shaft furnaces'20005,938,432'Top closing device for shaft furnaces'19995,678,806'Plate coolers for shaft furnaces'19975,676,908'Plate for cooling shaft furnaces'19975,650,119'Cooling plate for a blast furnance'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997Patents assigned to GUTEHOFFNUNGSHUETTE MAN (2)· patent assignee history
1997Patents assigned to MAN GUTENOFFUNGSHUTTE AKTIENGE (1)· patent assignee history
1997–2003Based in Oberhausen, DE· patent location history
1999–2003Patents assigned to SCHLOEMANN SIEMAG AG (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLOEMANN SIEMAG AG | 4 | 1999–2003 |
| GUTEHOFFNUNGSHUETTE MAN | 2 | 1997 |
| MAN GUTENOFFUNGSHUTTE AKTIENGE | 1 | 1997 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oberhausen, DE | 7 | 1997–2003 |