Inventor
Heinrich Kuhn
Inventor
Brechen, DE
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material23%
Y10TTechnical subjects covered by former us classification15%
C04BLime, magnesia12%
B41NPrinting plates or foils8%
C25CProcesses for the electrolytic production, recovery or refining of metals8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
A44CPersonal adornments, e.g. jewellery4%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace4%
G21CNuclear reactors4%
H05BElectric heating4%
PatentTitleYear
6,645,568'Process for producing titanium diboride coated substrates'20036,428,885'Substrate body with a protective coating'20025,967,047'Thermal process for applying hydrophilic layers to hydrophobic substrates for offset printing plates'19995,648,123'Process for producing a strong bond between copper layers and ceramic'19975,468,568'Printing roller with a sleeve of thermally wound fiber-reinforced thermoplastics and a plasma-sprayed coating of copper or copper alloy'19954,716,572'Method for coating carbon and graphite bodies'19873,983,716'Jewelry lock with at least one hitch for suspending pieces of jewelry'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to KUHN HEINRICH (1)· patent assignee history
1976Based in Schwaebisch Gmuend, DE· patent location history
1987Patents assigned to SIGRI GMBH (1)· patent assignee history
1987–2003Based in Brechen, DE· patent location history
1995–1997Patents assigned to HOECHST AG (2)· patent assignee history
1999Patents assigned to AGFA GEVAERT AG (1)· patent assignee history
2002–2003Patents assigned to AVENTIS RES & TECH GMBH & CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AVENTIS RES & TECH GMBH & CO | 2 | 2002–2003 |
| HOECHST AG | 2 | 1995–1997 |
| AGFA GEVAERT AG | 1 | 1999 |
| KUHN HEINRICHself | 1 | 1976 |
| SIGRI GMBH | 1 | 1987 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brechen, DE | 6 | 1987–2003 |
| Schwaebisch Gmuend, DE | 1 | 1976 |