Issued Patents All Time
Showing 1–25 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375681 | Lifting device and stroke multiplier | — | 1994-12-27 |
| 5364234 | High pressure devices | — | 1994-11-15 |
| 5292235 | Membranes and neighboring members in pumps, compressors and devices | — | 1994-03-08 |
| 5113808 | Double piston engine | — | 1992-05-19 |
| 5109666 | Solid fuel combustion device and a compressor | — | 1992-05-05 |
| 5033359 | Rotor ports, control body recesses and a control pintle in fluid machines | — | 1991-07-23 |
| 5032064 | Pump for pressure exceeding one thousand atmospheres | — | 1991-07-16 |
| 4987650 | Radially flexible snap ring | — | 1991-01-29 |
| 4984970 | Arrangements on coned rings which are applicable in high pressure pumps and related devices | — | 1991-01-15 |
| 4982914 | Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing | — | 1991-01-08 |
| 4926744 | Radial piston hydraulic machine with piston having twelve circumferential fluid bearing pockets | — | 1990-05-22 |
| 4925131 | Aircraft with a plurality of propellers, a pipe structure for thereon holdable wings, for vertical take off and landing | — | 1990-05-15 |
| 4923144 | Aircraft with pivotable wing and arrestable propellers | — | 1990-05-08 |
| 4913100 | Double piston engine | — | 1990-04-03 |
| 4913377 | Devices which may be borne in air and on devices applicable therein | — | 1990-04-03 |
| 4904167 | Membranes and neighboring members in pumps, compressors and devices | — | 1990-02-27 |
| 4899957 | Air borne craft, for example helicopter, and related devices | — | 1990-02-13 |
| 4896564 | Axial piston motor or pump with an arrangement to thrust the rotor against a shoulder of the shaft | — | 1990-01-30 |
| 4890539 | Control body arrangement for axial flow applyable in pumps, motors or engines | — | 1990-01-02 |
| 4876850 | Combustion engine for solid block fuel | — | 1989-10-31 |
| 4864979 | Combustion engine | — | 1989-09-12 |
| 4856732 | Airborne vehicle with hydraulic drive and control | — | 1989-08-15 |
| 4824338 | Pump arrangement which includes axially extending cylindrical ring noses on coned rings with a centering ring and seal ring radially of the face wherein two of the ring nose are oppositionally directed and laid together | — | 1989-04-25 |
| 4822255 | Pump for pressures exceeding one thousand atmospheres by the provision of a half-pressure chamber around a high pressure chamber between coned ring elements | — | 1989-04-18 |
| 4815275 | Combustion engine with exterior combustion chamber | — | 1989-03-28 |