Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908173 | Process for preparation of dense molded bodies of polycrystalline aluminum nitride without use of sintering aids | Karl-Alexander Schwetz, Wolfgang Grellner, Klaus Hunold, Max Mohr | 1990-03-13 |
| 4885264 | Pressure-sintered polycpystalline mixed materials with a base of hexagonal boron nitride, oxides and carbides | Peter Sindlhauser, Klaus Hunold | 1989-12-05 |
| 4814301 | Polycrystalline sintered articles based on silicon nitride and sintering additives | Detlef Steinmann | 1989-03-21 |
| 4803183 | Dense molded bodies of polycrystalline aluminum nitride and process for preparation without use of sintering aids | Karl-Alexander Schwetz, Wolfgang Grellner, Klaus Hunold, Max Mohr | 1989-02-07 |
| 4743571 | Polycrystalline sintered bodies on a base of silicon nitride with high fracture toughness and hardness | Detlef Steinmann, Hubert Thaler, Dietrich Lange | 1988-05-10 |
| 4732620 | Thermoelement comprising a graphite/boron carbide thermocouple | Klaus Hunold, Klaus Reinmuth, Peter Arnold | 1988-03-22 |
| 4687655 | Process for the manufacture of shaped articles from reaction-bonded silicon nitride by nitridation under elevated nitrogen gas pressure | Klaus Hunold, Klaus Reinmuth, Peter Arnold, Johannes Napholcz | 1987-08-18 |
| 4684480 | Ceramic bonded neutron absorber plates of boron carbide and free carbon | Klaus Reinmuth, Detlef von Struensee | 1987-08-04 |
| 4661740 | Polycrystalline sintered bodies based on lanthanum hexaboride, and a process for their manufacture | Heinrich Knoch, Eckhart Bechler | 1987-04-28 |
| 4634640 | Dense shaped articles consisting of polycrystalline hexagonal boron nitride and process for their manufacture by isostatic hot-pressing | Klaus Hunold, Klaus Reinmuth | 1987-01-06 |
| 4614724 | Polycrystalline sintered compacts based on europium hexaboride and process for their manufacture | Heinrich Knoch, Karl-Alexander Schwetz, Eckhart Bechler | 1986-09-30 |
| 4564601 | Shaped polycrystalline silicon carbide articles and isostatic hot-pressing process | Jochen Kriegesmann, Klaus Hunold, Klaus Reinmuth, Karl-Alexander Schwetz | 1986-01-14 |
| 4560668 | Substantially pore-free shaped articles of polycrystalline silicon carbide, and a process for their manufacture by isostatic hot-pressing | Klaus Hunold, Klaus Reinmuth | 1985-12-24 |
| 4528120 | Refractory, electrically conductive, mixed materials containing boron nitride and process for their manufacture | Klaus Hunold, Klaus Reinmuth | 1985-07-09 |
| 4495123 | Dense shaped articles consisting of polycrystalline hexagonal boron nitride and process for their manufacture by isostatic hot pressing | Klaus Hunold, Klaus Reinmuth | 1985-01-22 |
| 4467043 | Dense shaped articles of polycrystalline .alpha.-silicon carbide and process for the manufacture thereof by hot-pressing | Jochen Kriegesmann, Klaus Reinmuth | 1984-08-21 |
| 4381931 | Process for the manufacture of substantially pore-free shaped polycrystalline articles by isostatic hot-pressing in glass casings | Klaus Hunold, Klaus Reinmuth | 1983-05-03 |
| 4351858 | Process for the manufacture of substantially pore-free shaped polycrystalline articles by isostatic hot-pressing | Klaus Hunold, Klaus Reinmuth, Johannes Napholcz, Peter Arnold | 1982-09-28 |
| 4326039 | Dense shaped articles of polycrystalline .beta.-silicon carbide and process for the manufacture thereof by hot-pressing | Jochen Kriegesmann, Klaus Reinmuth | 1982-04-20 |
| 4252691 | Neutron absorber based on boron carbide and carbon and a process for their production | Klaus Reinmuth, Detlef von Struensee | 1981-02-24 |
| 4230497 | Dense sintered shaped articles of polycrystalline .alpha.-silicon carbide and process for their manufacture | Karl-Alexander Schwetz | 1980-10-28 |