Class F03C : POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
Subclass 1/06: 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 cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11994097 | Hydraulic pump/motor | Dec 04, 20 | May 28, 24 | Komatsu Ltd. |
| 11994098 | Valve plate, cylinder block, and hydraulic motor | Sep 07, 21 | May 28, 24 | Komatsu Ltd. |
| 11846283 | System to pump fluid and control thereof | Nov 06, 20 | Dec 19, 23 | Project Phoenix, LLC |
| 11828276 | Adjusting device for an axial piston machine | Nov 13, 18 | Nov 28, 23 | Liebherr Machines Bulle SA |
| 11802539 | Hydraulic device and a pivot joint | Oct 24, 18 | Oct 31, 23 | INNAS BV |
| 11795926 | Motor-hydraulic machine unit for attachment to a hydraulic assembly | Jul 31, 20 | Oct 24, 23 | Robert Bosch GmbH |
| 11788505 | Hydraulic assembly device, system and method | Mar 22, 19 | Oct 17, 23 | Gartech, LLC |
| 11767833 | Support system for a displacement adjustment plate of an axial piston machine | Apr 07, 22 | Sep 26, 23 | DANA MOTION SYSTEMS ITALIA S.R.L. |
| 11746762 | Axial piston machine with high drive rotational speed | Jan 10, 22 | Sep 05, 23 | Robert Bosch GmbH |
| 11619214 | Hydraulic machine, hydraulic assembly having the hydraulic machine, and hydraulic axle having the hydraulic machine | Jan 07, 19 | Apr 04, 23 | Robert Bosch GmbH |
| 11592000 | Servoless motor | Jul 31, 18 | Feb 28, 23 | Danfoss Power Solutions Inc. |
| 11591910 | Rotary axial piston machine with hydrostatic pressing device seal arrangement | Jan 26, 21 | Feb 28, 23 | Robert Bosch GmbH |
| 11592012 | Hydrostatic piston machine unit | Aug 20, 20 | Feb 28, 23 | Robert Bosch GmbH |
| 11353010 | Axial piston machine having integral counting perforation | Jan 24, 20 | Jun 07, 22 | Robert Bosch GmbH |
| 11346007 | Workpiece with improved coating | Apr 18, 17 | May 31, 22 | Danfoss Power Solutions GmbH & Co. OHG |
| 11326626 | Prime mover system and methods utilizing balanced flow within bi-directional power units | Feb 10, 20 | May 10, 22 | AOI |
| 11286775 | Rotatable piston assembly | Oct 15, 18 | Mar 29, 22 | Poisedon Fluid Power, LLC |
| 11261841 | Hydrostatic axial piston machine with through drive | Feb 17, 20 | Mar 01, 22 | Robert Bosch GmbH |
| 11215172 | Hydrostatic positive displacement machine | Aug 02, 19 | Jan 04, 22 | Robert Bosch GmbH |
| 11162481 | Axial piston machine with pressure relief in the through drive space | Apr 11, 19 | Nov 02, 21 | Robert Bosch GmbH |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0052,816 | ADJUSTING DEVICE FOR AN AXIAL PISTON MACHINE | Oct 12, 23 | Feb 15, 24 | Not available |
| 2023/0400,007 | HYDRAULIC ASSEMBLY DEVICE, SYSTEM AND METHOD | Aug 25, 23 | Dec 14, 23 | Not available |
| 2023/0136,445 | SERVOLESS MOTOR | Dec 28, 22 | May 04, 23 | Not available |
| 2022/0307,461 | SLIDING MEMBER | Mar 09, 22 | Sep 29, 22 | Not available |
| 2019/0063,399 | Crankless engine | Aug 24, 17 | Feb 28, 19 | Not available |
| 2018/0258,907 | AXIAL PISTON MACHINE | Mar 08, 18 | Sep 13, 18 | Not available |
| 2018/0128,239 | PUMPING DEVICE FOR A WASTE HEAT RECOVERY APPARATUS IN A MOTOR VEHICLE | Jul 31, 15 | May 10, 18 | MAHLE International GmbH |
| 2018/0045,171 | AXIAL PISTON MACHINE | Mar 02, 16 | Feb 15, 18 | Not available |
| 2017/0363,059 | HYDRAULIC ENGINE WITH HYDRAULIC PUMP | Jun 02, 17 | Dec 21, 17 | Not available |
| 2017/0159,637 | Hydrostatic Axial Piston Machine with Control Disk | Nov 30, 16 | Jun 08, 17 | ROBERT BOSCH GMBH |
| 2017/0159,638 | HYDRAULIC ROTARY MACHINE | Jun 25, 15 | Jun 08, 17 | KYB CORPORATION |
| 2017/0159,639 | HYDRAULIC ROTARY MACHINE | Jun 25, 15 | Jun 08, 17 | KYB CORPORATION |
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