Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518256 | Floating-ring seal | — | 1996-05-21 |
| 4643593 | Assembly for lubricating thrust bearings of machines | Frank Etzold | 1987-02-17 |
| 4614482 | Pressure equalizing device for the electric motor of an encapsulated motor-pump assembly | — | 1986-09-30 |
| 4436950 | System for sealing passages in the walls of glandless circulating pumps or the like | Christian Klepp | 1984-03-13 |
| 4416586 | Submersible motor pump assembly | Herbert Diederich, Hugo Scherzer | 1983-11-22 |
| 4407631 | Motor-pump aggregate | Wolfangang Schneider, Josef Peters | 1983-10-04 |