Inventor
Joachim Ehle
Inventor
Lautenbach, DE
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F27Dprimary
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace27%
F27BFurnaces, kilns, ovens or retorts in general19%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel16%
H05BElectric heating16%
Y02PClimate change mitigation technologies in the production or processing of goods8%
B22DCasting of metals3%
B66CCranes3%
C21BManufacture of iron or steel3%
F17CVessels for containing or storing compressed, liquefied or solidified gases3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
7,662,337'Hoisting mechanism for steel processing ladles in RH degassers'20105,882,578'Tilting metallurgical unit comprising several vessels'19995,645,791'Charge preheater'19975,393,037'Smelting unit with furnace rocking cradle'19955,264,020'Smelting plant with two melting furnaces arranged in juxtaposed relationship'19935,153,894'Smelting plant with removable shaft-like charging material preheater'19925,117,438'Method of operating a smelting unit and smelting unit for that method'19924,696,013'Vessel of a metallurgical furnace, especially of an arc furnace'19874,682,341'Electric arc furnace'19874,674,102'Electric arc furnace'19874,617,673'Electric arc furnace having a space provided on one side of the furnace vessel for accommodating charging material'19864,603,424'Fluid-cooled carrier member of a composite electrode of an electric arc furnace'19864,592,067'Metallurgical vessel, in particular an electric arc furnace'19864,453,254'High current conduit system for electrical furnaces'19843,984,994'Process and device for filling multilayer pressure containers'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to MESSER GRIESHEIM GMBH (1)· patent assignee history
1976–1984Based in Essen, DE· patent location history
1984Patents assigned to KRUPP GMBH (1)· patent assignee history
1986–1997Patents assigned to FUCHS SYSTEMTECHNIK GMBH (8)· patent assignee history
1986–2010Based in Lautenbach, DE· patent location history
1992–1995Patents assigned to FUCHS TECHNOLOGY AG (3)· patent assignee history
1999Patents assigned to ARCMET TECH GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUCHS SYSTEMTECHNIK GMBH | 8 | 1986–1997 |
| FUCHS TECHNOLOGY AG | 3 | 1992–1995 |
| ARCMET TECH GMBH | 1 | 1999 |
| KRUPP GMBH | 1 | 1984 |
| MESSER GRIESHEIM GMBH | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lautenbach, DE | 13 | 1986–2010 |
| Essen, DE | 2 | 1976–1984 |