Krohn; Ulrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krohn; Ulrich.The latest application filed is for "ceramic sliding element with aluminum oxide and silicon nitride members".
- Krohn; Ulrich - Leonberg DE
| Patent | Date |
|---|---|
| Ceramic sliding element with aluminum oxide and silicon nitride members Grant 4,728,582 - Comans , et al. March 1, 1 | 1988-03-01 |
| Sintered ceramic shaped article wholly or predominantly of eutectic microstructure constituents Grant 4,595,663 - Krohn , et al. June 17, 1 | 1986-06-17 |
| Piston with a member made of partially stabilized zirconium oxide Grant 4,535,683 - Dworak , et al. August 20, 1 | 1985-08-20 |
| Thermal insulation lining of ceramic material for a hot gas duct enveloped in metal Grant 4,526,824 - Dworak , et al. July 2, 1 | 1985-07-02 |
| Pre-combustion or turbulence chamber for internal combustion engines Grant 4,522,171 - Dworak , et al. June 11, 1 | 1985-06-11 |
| Piston ring for an internal combustion engine Grant 4,522,415 - Dworak , et al. June 11, 1 | 1985-06-11 |
| Machine component of oxide ceramic material Grant 4,420,142 - Dworak , et al. December 13, 1 | 1983-12-13 |
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