| Patent No. | Patent Title: |
| 5199864 | Spherical fluid pump or motor with spherical ball comprising two ... |
| 5199863 | Sealing of an eccentric bearing of a rotary piston internal combu... |
| 5192201 | Rotary engine and drive coupling |
| 5180298 | Hydraulic pump with foamed elastomeric member in outlet chamber t... |
| 5180296 | Hydraulic machine having axial user ports |
| 5180297 | Fluid transfer pump with shaft seal structure |
| 5171142 | Rotary displacement machine with cylindrical pretension on disc-s... |
| 5163825 | Articulated vane fluid driven motor |
| 5163826 | Crescent gear pump with hypo cycloidal and epi cycloidal tooth sh... |
| 5163824 | Rubber-geared pump with shaftless gear |
| 5161961 | Gear pump with counterbalanced radial forces and two piece radial... |
| 5160252 | Rotary vane machines with anti-friction positive bi-axial vane mo... |
| 5160247 | Thrust bearing for refrigeration compressor |
| 5156532 | Rotary vane vacuum pump with shaft seal |
| 5156540 | Internal gear fuel pump |
| 5156541 | Revolving vane pump-motor-meter with a toroidal working chamber |
| 5154593 | Vane pump with annular groove in rotor which connects undervane c... |
| 5154587 | Magnet pump |
| 5152683 | Double rotary piston positive displacement pump with variable off... |
| 5152684 | Rotor profile for a Roots vacuum pump |
| 5151021 | Fluid compressor with adjustable bearing support plate |
| 5149256 | Rotary, positive displacement machine with specific lobed rotor p... |
| 5147194 | Rotary piston machine with a protuberance in the cylinder wall |
| 5145349 | Gear pump with pressure balancing structure |
| 5145348 | Gerotor pump having an improved drive mechanism |
| 5145347 | Gerotor pump with blind-end groove on each lobe of the annulus |
| 5145341 | Protective shroud for the shaft of a helical gear pump |
| 5141423 | Axial flow fluid compressor with oil supply passage through rotor |
| 5141418 | Variable capacity type vane pump with a variable restriction orif... |
| 5139399 | Compressor interstage coolant injector nozzle |
| 5139401 | Oscillatory pump with elastic divider |
| 5137439 | Screw rotor machine with De Laval nozzle for noise reduction |
| 5135373 | Spur gear with epi-cycloidal and hypo-cycloidal tooth shapes |
| 5135374 | Oil flooded screw compressor with thrust compensation control |
| 5133652 | Rotary compressor having an aluminum body cast around a sintered ... |
| 5133645 | Common rail fuel injection system |
| 5131829 | Trapped volume vent means for meshing lobes of roots-type superch... |
| 5131825 | Multi-stage vacuum pump with reaction chamber between stages |
| 5129800 | Single screw interrupted thread positive displacement mechanism |
| 5127810 | Rotary pump or engine with spherical body |