Class F03C : POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
Subclass 1/047: 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 the pistons co-operating with an actuated element at the outer ends of the cylinders
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215678 | Flushing circuit for a hydraulic machine | May 09, 22 | Feb 04, 25 | Poclain Hydraulics Industrie |
| 12025111 | Hydraulic machine comprising an improved bearing | Mar 26, 20 | Jul 02, 24 | PORCLAIN HYDRAULICS INDUSTRIE |
| 11846147 | Device for hydraulically operating a drive wheel of a wellbore tractor, e.g. a motor, and related tractor, wellbore string, and method | Jun 27, 19 | Dec 19, 23 | Altus Intervention (Technologies) AS |
| 11767831 | Hydraulic radial piston device | Aug 06, 21 | Sep 26, 23 | EATON INTELLIGENT POWER LIMITED |
| 11473554 | Radial piston hydraulic motor and method for controlling radial piston hydraulic motor | Dec 20, 18 | Oct 18, 22 | BLACK BRUIN INC. |
| 11459889 | Hydraulic arrangement for a steered wheel of a vehicle | Apr 25, 19 | Oct 04, 22 | Not available |
| 11448203 | Hydraulic radial piston device | Sep 01, 17 | Sep 20, 22 | EATON INTELLIGENT POWER LIMITED |
| 11137330 | Displacement of an object with hydraulic actuators | Jan 22, 19 | Oct 05, 21 | Artemis Intelligent Power Limited |
| 11136976 | Hydraulic machine including an improved braking system | Oct 30, 18 | Oct 05, 21 | Poclain Hydraulics Industrie |
| 11067144 | Braking system for a hydraulic machine | Jul 12, 17 | Jul 20, 21 | Poclain Hydraulics Industrie |
| 11067066 | Harmonic distribution radial piston hydraulic machine | Jul 01, 16 | Jul 20, 21 | Poclain Hydraulics Industrie |
| 10697442 | Hydraulic machine having two cylinder capacities and a safety valve | Oct 27, 16 | Jun 30, 20 | Poclain Hydraulics Industrie |
| 10690109 | Distribution device for a hydraulic machine and a hydraulic machine fitted with such a device | Nov 01, 16 | Jun 23, 20 | Poclain Hydraulics Industrie |
| 10683854 | Radial piston device with reduced pressure drop | May 19, 16 | Jun 16, 20 | Eaton Intelligent Power Limited |
| 10578084 | Hydraulic device with radial pistons comprising at least one ball bearing | Dec 17, 15 | Mar 03, 20 | Poclain Hydraulics Industrie |
| 10563641 | Distribution device for hydraulic machine | Jul 28, 15 | Feb 18, 20 | Poclain Hydraulics Industrie |
| 10443582 | Distribution casing device for a hydraulic machine | Jul 30, 15 | Oct 15, 19 | Poclain Hydraulics Industrie |
| 10378357 | Hydraulic radial piston device with improved pressure transition mechanism | Jan 14, 16 | Aug 13, 19 | Eaton Intelligent Power Limited |
| 10364792 | Braking system for a hydraulic machine | Sep 22, 17 | Jul 30, 19 | Poclain Hydraulics Industrie |
| 10336179 | Hydraulic motor for vehicle wheel | Dec 18, 15 | Jul 02, 19 | Not available |
| 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 |
| 2018/0094,617 | Device and Method to Convert Reciprocating Linear Motion into Linear Fluid Flow | Oct 04, 17 | Apr 05, 18 | Not available |
| 2018/0073,492 | HYDRAULIC RADIAL PISTON DEVICE | Sep 01, 17 | Mar 15, 18 | Not available |
| 2016/0319,799 | HYDRAULIC RADIAL PISTON DEVICES | Dec 30, 14 | Nov 03, 16 | EATON CORPORATION |
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