Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246480 | Sintered contact material based on silver for use in power engineering switch-gear, in particular for contact pieces in low-voltage switches | Wolfgang Haufe, Joachim Grosse | 1993-09-21 |
| 4980125 | Sinter contact material for low voltage switching apparatus of the energy technology, in particular for motor contactors | Wolfgang Haufe, Ralf Krause | 1990-12-25 |
| 4855104 | Method for the production of sintered electrical contact material for low voltage power switching | Wolfgang Haufe | 1989-08-08 |
| 4764227 | Sintered electrical contact material for low voltage power switching | Wolfgang Haufe | 1988-08-16 |
| 4681702 | Sintered, electrical contact material for low voltage power switching | Horst Schreiner | 1987-07-21 |
| 4671889 | Molded getter bodies and method of producing the same | Horst Schreiner, Josef Weiser, Robert Esterl | 1987-06-09 |
| 4609525 | Cadmium-free silver and metal oxide composite useful for electrical contacts and a method for its manufacture | Horst Schreiner | 1986-09-02 |
| 4543223 | Method for the dry molding of formed parts | Horst Schreiner | 1985-09-24 |
| 4362494 | Automatic press | Horst Schreiner | 1982-12-07 |
| 4185968 | Method for generating a solderable surface on a contact piece of silver and finely distributed graphite particles | Rudolf Scherbaum, Horst Schreiner | 1980-01-29 |