Inventor
Johannes Holzem
Inventor
Hurth, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Nprimary
H10NElectric solid-state devices not otherwise provided for24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
C04BLime, magnesia12%
H01BCables12%
B22DCasting of metals6%
B28BShaping clay or other ceramic compositions6%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C22BProduction and refining of metals6%
C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
PatentTitleYear
6,869,916'Protected superconductor component and process for its production'20056,584,333'Protected superconducting component and method for producing the same'20035,371,068'Process for producing tubular molded parts of high temperature superconductor material'19945,244,876'Method for joining parts of ceramic high-temperature superconductor material'19934,818,354'Process for the preparation electrolytic manganese dioxide'19894,391,714'Process for removing molybdenum from aqueous salt solutions'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1994Patents assigned to HOECHST AG (4)· patent assignee history
1983Based in Hu, DE· patent location history
1989–1994Based in Hurth, DE· patent location history
2003Patents assigned to NEXANS SUPERCONDUCTORS GMBH (1)· patent assignee history
2003–2005Based in Huerth, DE· patent location history
2005Patents assigned to NEXANS SUPERDUCTORS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HOECHST AG | 4 | 1983–1994 |
| NEXANS SUPERCONDUCTORS GMBH | 1 | 2003 |
| NEXANS SUPERDUCTORS GMBH | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hurth, DE | 3 | 1989–1994 |
| Huerth, DE | 2 | 2003–2005 |
| Hu, DE | 1 | 1983 |