Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8491185 | Method for monitoring the thermal coupling of a measuring cell | Wolf-Dietrich Steinboeck, Robert Felsberger, Michael Kraker, Juergen Walla | 2013-07-23 |
| 5620130 | Process for producing a die plate for underwater granulation of plastic material with an intermediate nickel alloy layer | Wolfgang Worz | 1997-04-15 |
| 5510667 | Spark plug with an electrode having a platinum-nickel fiber composite material | Otto Loffler, Werner Niessner, Heinz Ambacher | 1996-04-23 |
| 5500304 | Silver-nickel composite material for electrical contacts and electrodes | Otto Loffler, Werner Niessner, Heinz Ambacher | 1996-03-19 |
| 5107169 | Central electrode for spark plugs having an interlayer between the core and an outer layer | Peter Tautzenberger | 1992-04-21 |
| 4574014 | Process for manufacturing a formed contact part | Dieter Stockel | 1986-03-04 |
| 4554027 | Shaped part made of a composite material and a process for its production | Peter Tautzenberger, Dieter Stoeckel | 1985-11-19 |
| 4497358 | Process for the manufacture of a steel body with a borehole protected against abrasion | Gerhard Gnadig, Fritz Przybylla | 1985-02-05 |
| 4414444 | Process for producing a contact element | — | 1983-11-08 |
| 4410309 | Method of making a spark-plug center electrode | Dieter Stockel | 1983-10-18 |