| 8662097 |
Flow control valve with damping chamber |
Wolfgang Spahn |
2014-03-04 |
| 8613791 |
Extraction process for metals like gold and platinum including fine grinding, pulping and oxygenating |
Adrian Singh, Brian Tinniswood, Michael Battersby |
2013-12-24 |
| 8596620 |
Device for dispensing a gas into a liquid |
— |
2013-12-03 |
| 8191579 |
Directional or flow control valve |
— |
2012-06-05 |
| 7108136 |
Pneumatic flotation separation device |
— |
2006-09-19 |
| 6916003 |
Directional-control valve |
Peter Graf, Herbert Reder, Hans-Georg Schubert, Frank Schwab |
2005-07-12 |
| 6021813 |
Electromagnetically actuated directional valve |
Manfred Siegler |
2000-02-08 |
| 5975488 |
Lifting magnet arrangement |
Torsten Witte |
1999-11-02 |
| 4850394 |
Multi-way valve |
Wolfgang Lukasczyk |
1989-07-25 |
| 4643225 |
Pressure regulating valve |
— |
1987-02-17 |
| 4543875 |
Electro-hydraulic directional control valve |
— |
1985-10-01 |
| 4365510 |
Method and device for measuring the height of at least one separation layer in the material bed of a density sorting machine |
Wolf-Diethard Grunberg, Karl-Heinz Unkelbach |
1982-12-28 |