Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196922 | Universal joint coupling in particular arranged on a universal joint shaft of an eccentric worm machine | Gunter Franz, Bernd Maier | 2001-03-06 |
| 5318416 | Casing of an eccentric worm pump designed to burst at preselected pressure | Jörg Eitler, Johann Kreidl | 1994-06-07 |
| 4909773 | Swivel coupling | Erich Schlecher, Johann Kreidl | 1990-03-20 |
| 4907906 | Pin joint for eccentric worm pumps | — | 1990-03-13 |
| 4695040 | Erecting rig for a well pump | — | 1987-09-22 |
| 4287743 | Method and device for the manufacture of helical rotor blanks for helical gear machines | — | 1981-09-08 |