Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969089 | LED with improved light emission profile | Helmut Bechtel, Wolfgang Busselt, Eliav Itzhak, Joachim Opitz | 2011-06-28 |
| 7675237 | Dielectric barrier discharge lamp with integrated multifunction means | Wolfgang Schiene, Georg Greuel, Norbert Braun, Ronald Peter Groenestein, Henricus Lambertus Antonius Adrianus Vogels +1 more | 2010-03-09 |
| 6674240 | Gas discharge lamp comprising an oxide emitter electrode | Wilem Jacobus Van Den Hoek | 2004-01-06 |
| 6348756 | Electric discharge tube or discharge lamp and scandate dispenser cathode | Peter E. E. Geittner, Ernst Klein | 2002-02-19 |
| 5936334 | Impregnated cathode with composite top coat | Jan Hasker | 1999-08-10 |
| 5866975 | Low-temperature cathode having an emissive nanostructure | Peter E. E. Geittner, Hans Lydtin | 1999-02-02 |
| 5735720 | Controllable thermionic electron emitter | Hans Lydtin | 1998-04-07 |
| 5618395 | Method of plasma-activated reactive deposition of electrically conducting multicomponent material from a gas phase | — | 1997-04-08 |
| 5592043 | Cathode including a solid body | Hans Lydtin | 1997-01-07 |
| 5549937 | Method of plasma-activated reactive deposition of electrically conducting multicomponent material from a gas phase | — | 1996-08-27 |
| 5283085 | Method of manufacturing a hot-cathode element | Peter A. Janiel | 1994-02-01 |
| 5254832 | Method of manufacturing ultrafine particles and their application | Hans Lydtin | 1993-10-19 |
| 5028897 | Microwave transmission arrangement | — | 1991-07-02 |
| 4965090 | Method for the plasma-activated reactive deposition of electrically conductive multicomponent material from a gas phase | Peter A. Janiel, Hans Lydtin | 1990-10-23 |
| 4947790 | Arrangement for producing a gas flow which is enriched with the vapor of a low-volatile substance | Peter A. Janiel, Hans Rau | 1990-08-14 |
| 4894256 | Process for glow-discharge-activated reactive deposition of metal from a gas phase | Peter A. Janiel | 1990-01-16 |
| 4883362 | Device for enriching a carrier gas with the vapor of a sparingly volatile substance | Hans Rau, Peter A. Janiel | 1989-11-28 |
| 4877642 | Method of manufacturing electrically conductive molded bodies by plasma-activated chemical deposition from the gaseous phase | Hans Lydtin | 1989-10-31 |
| 4713259 | Method for the glow-discharge-activated reactive deposition of electrically conductive material from a gaseous phase | Peter A. Janiel, Hans Lydtin | 1987-12-15 |
| 4659591 | Method of coating tungsten preferentially orientated in the <111> direction on a substrate | Peter A. Janiel | 1987-04-21 |
| 4533852 | Method of manufacturing a thermionic cathode and thermionic cathode manufactured by means of said method | Berthold Frank, Hans Lydtin | 1985-08-06 |
| 4530669 | Method of making a borided dispenser cathode | Egbert B. G. W. Gotje | 1985-07-23 |
| 4524297 | Thermionic cathode and method of manufacturing same | — | 1985-06-18 |