Class F03C : POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
Subclass 1/04: Reciprocating-piston liquid engines with multiple cylinders, characterised by the number or arrangement of cylinders (with movable cylinders F03C 1/22; of flexible-wall type F03C 7/00) with cylinders in star- or fan-arrangement
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215678 | Flushing circuit for a hydraulic machine | May 09, 22 | Feb 04, 25 | Poclain Hydraulics Industrie |
| 12055124 | Four-quadrant radial piston hydraulic device and working method thereof | Mar 26, 24 | Aug 06, 24 | HUAQIAO UNIVERSITY |
| 11821500 | Method and system for harnessing wind energy using a tethered airfoil | Dec 06, 17 | Nov 21, 23 | NEW LEAF MANAGEMENT LTD. |
| 11473554 | Radial piston hydraulic motor and method for controlling radial piston hydraulic motor | Dec 20, 18 | Oct 18, 22 | BLACK BRUIN INC. |
| 11313345 | Cylinder block comprising piston-holding means | Jun 04, 19 | Apr 26, 22 | Poclain Hydraulics Industrie |
| 11136976 | Hydraulic machine including an improved braking system | Oct 30, 18 | Oct 05, 21 | Poclain Hydraulics Industrie |
| 10914281 | Rotary hydraulic machine | Mar 11, 19 | Feb 09, 21 | ITALGROUP S.R.L. CON SOCIO UNICO |
| 10578084 | Hydraulic device with radial pistons comprising at least one ball bearing | Dec 17, 15 | Mar 03, 20 | Poclain Hydraulics Industrie |
| 10495055 | Low-energy and high pressure, hydraulic, pneumatic engine | Dec 15, 17 | Dec 03, 19 | Not available |
| 10364792 | Braking system for a hydraulic machine | Sep 22, 17 | Jul 30, 19 | Poclain Hydraulics Industrie |
| 10267149 | Combined electric and hydraulic motor | Jul 31, 14 | Apr 23, 19 | Not available |
| 10221831 | Radial piston machine having braking means secured against twisting | Nov 11, 16 | Mar 05, 19 | Robert Bosch GmbH |
| 9777573 | Radial piston engine with brake | Apr 16, 13 | Oct 03, 17 | ROBERT BOSCH GMBH |
| 9556735 | Radial piston hydraulic motor | Apr 04, 14 | Jan 31, 17 | BLACK BRUIN INC. (PARALLEL COMPANY TO BLACK BRUIN OY) |
| 9453411 | Rotary cam radial steam engine | Apr 26, 13 | Sep 27, 16 | Not available |
| 9353768 | Hydromechanical continuously variable transmission | Jan 22, 14 | May 31, 16 | Not available |
| 9284942 | Subassembly forming a hydrobase for hydraulic motors, and assembly method | Jan 28, 11 | Mar 15, 16 | POCLAIN HYDRAULICS INDUSTRIE |
| 9127656 | Ring cam and fluid-working machine including ring cam | Jul 19, 11 | Sep 08, 15 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 8347621 | Method of operating a fluid-working machine and a fluid-working machine | Jul 23, 07 | Jan 08, 13 | DANFOSS POWER SOLUTIONS APS |
| 8079298 | Compact hydraulic mechanism with radial pistons | Jun 27, 07 | Dec 20, 11 | POCLAIN HYDRAULICS INDUSTRIE |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0092,854 | BEARING ARRANGEMENT FOR RADIAL PISTON UNITS | Dec 16, 21 | Mar 20, 25 | Not available |
| 2024/0328,381 | BRAKE MECHANISM FOR A RADIAL PISTON UNIT | Dec 16, 21 | Oct 03, 24 | Not available |
| 2024/0309,839 | BEARING ARRANGEMENT FOR RADIAL PISTON UNITS | Dec 16, 21 | Sep 19, 24 | Not available |
| 2019/0136,827 | Radial Piston Motor | Nov 08, 18 | May 09, 19 | Not available |
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