Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434500 | Hydrogenation catalyst and process for production thereof by the use of uncalcined starting material | Martin Paulus, Frank Grossmann | 2019-10-08 |
| 10315188 | Catalyst molded body containing graphite | Martin Paulus, Frank Grossmann | 2019-06-11 |
| 10226760 | Hydrogenation catalyst and method for producing same | Martin Paulus, Frank Grossmann | 2019-03-12 |
| 10035137 | Hydrogenation catalyst and process for production thereof by the use of uncalcined starting material | Martin Paulus, Frank Grossmann | 2018-07-31 |
| 5367220 | Electric lamp with a holding frame for a lamp filament | Roland Stark, Ruediger Klam | 1994-11-22 |
| 5146134 | Halogen incandescent lamp, particularly for operation from power networks, and method of its manufacture | Roland Stark, Ruediger Klam, Rupert Muehlberger, Michael Brinkhoff | 1992-09-08 |
| 4876482 | Halogen cycle incandescent lamp structure | — | 1989-10-24 |
| 4812710 | Halogen incandescent lamp with high reliability filament connection, and method of manufacture | Rudiger Klam, Rupert Muhlberger | 1989-03-14 |
| 4659318 | Method to introduce a fill gas mixture into an electric light bulb, particularly halogen incandescent lamp | Axel Bunk, Gottfried Eichelbronner, Rainer Haake, Manfred Gaugel | 1987-04-21 |
| 4613714 | Catalyst and process for the selective hydrogenation of multi-unsaturated organic compounds | Karel Kochloefl | 1986-09-23 |
| 4490646 | Halogen cycle incandescent lamp having an intermediate lead-in conductor part | Axel Bunk | 1984-12-25 |