Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610347 | Material for electric contacts taking silver-tin oxide or silver-zinc oxide as basis | Volker Behrens, Thomas Honig, Andreas Kraus, Karl E. Saeger, Theodor Staneff | 1997-03-11 |
| 5458850 | Method and apparatus for reducing exhaust gases particles | Bernd Krutzsch, Guenter Wenninger, Friedrich Wirbeleit, Juergen Steinwandel, Rainer Willneff +3 more | 1995-10-17 |
| 5417831 | Solid electrolyte having a multi-layer electrode applied thereto | Alfred Koch, Wolfgang Schaefer, Detlef Stolten | 1995-05-23 |
| 4981511 | Compound or composite powder with metallic or ceramic whiskers | Tilman Haug, Reinhard Marquardt, Juergen Bocan | 1991-01-01 |
| 4789561 | Oxygen electrode with layer comprising electrode and electrolyte materials | Wolfgang Schaefer | 1988-12-06 |
| 4698096 | Sintering process | Sylvia Hardtle | 1987-10-06 |
| 4498395 | Powder comprising coated tungsten grains | Wulf Kock, Wolfgang Wagner | 1985-02-12 |
| 4396420 | Process for making Ag powder with oxides | Albert Keil | 1983-08-02 |
| 4351182 | Oxygen sensor for monitoring exhaust gases | — | 1982-09-28 |
| 4336242 | Hard ferrite powder and process for the preparation thereof | Hilmar Franke | 1982-06-22 |
| 4276202 | Process for the manufacture of electrodes having perovskite structure for electrochemical high temperature cells | Wolfgang Donitz | 1981-06-30 |
| 4197362 | Interconnector material for series-connected electrolytic cells operated at high temperatures | Wolfgang Donitz | 1980-04-08 |