| 12061023 |
Water-based refrigerant for a thermal working machine and thermal working machine having such a refrigerant |
Steffen Klein |
2024-08-13 |
| 12012961 |
Volume ratio for a R718* compressor |
— |
2024-06-18 |
| 10337515 |
Spindle compressor using refrigerant cooling for housing and rotor |
— |
2019-07-02 |
| 8876506 |
Displacement pump with internal compression |
— |
2014-11-04 |
| 7056108 |
Cooled screw-type vacuum pump |
Manfred Behling, Hartmut Kriehn, Klaus Rofall |
2006-06-06 |
| 6666672 |
Drive mechanism for a screw pump |
— |
2003-12-23 |
| 6497563 |
Dry-compressing screw pump having cooling medium through hollow rotor spindles |
— |
2002-12-24 |
| 5924855 |
Screw compressor with cooling |
Christian Dahmlos, Dietmar Rook |
1999-07-20 |
| 5904473 |
Vacuum pump |
Christian Dahmlos, Dietmar Rook |
1999-05-18 |
| 5767635 |
Displacement machine with electronic motor synchronization |
Andreas Salmen |
1998-06-16 |
| 5152684 |
Rotor profile for a Roots vacuum pump |
— |
1992-10-06 |
| 5035590 |
Double-shaft vacuum pump with synchronization gears |
— |
1991-07-30 |
| 4983107 |
Multistage rotary piston vacuum pump having sleeves to fix shaft positions |
Hans-Peter Kabelitz, Hanns-Peter Berges, Wolfgang Leier |
1991-01-08 |
| 4974318 |
Method of making a dual-shaft machine |
Josef Heppekausen, Hans-Peter Kabelitz, Karl-Heinz Ronthaler |
1990-12-04 |
| 4940398 |
Twin-shaft, multiple-stage vacuum pump with the shafts vertically disposed |
Hanns-Peter Berges, Hartmut Kriehn, Wolfgang Leier |
1990-07-10 |
| 4917583 |
Bearing support for a twin-shaft pump |
Heinz Frings, Karl-Heinz Ronthaler |
1990-04-17 |
| 4915194 |
Lubricating oil feed system |
Heinrich Engländer, Frank Fleischmann, Hans-Peter Kabelitz, Winfried Kaiser, Friedrich Schmaus +2 more |
1990-04-10 |