| 2024/0093,680 | Semi-Trailer-Loaded Turbine Fracturing Equipment | Nov 28, 23 | Mar 21, 24 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. |
| 2023/0349,370 | PRESSURE WASHER APPARATUS | Sep 18, 20 | Nov 02, 23 | Not available |
| 2021/0156,368 | HYDRAULIC SYSTEM | Apr 03, 19 | May 27, 21 | Not available |
| 2021/0017,983 | PLUNGER BORE SLEEVE FOR A RECIPROCATING PUMP | Apr 02, 19 | Jan 21, 21 | S.P.M. Flow Control Inc. |
| 2020/0400,132 | Novel Reciprocating Pump | Sep 01, 20 | Dec 24, 20 | Not available |
| 2019/0277,246 | ROTARY HYDRAULIC MACHINE | Mar 11, 19 | Sep 12, 19 | Not available |
| 2018/0306,170 | MEMBRANE FLUID PUMP | Oct 17, 16 | Oct 25, 18 | Not available |
| 2017/0276,123 | DISPLACING DEVICE | Sep 11, 14 | Sep 28, 17 | HERMETIK HYDRAULIK AB |
| 2017/0009,753 | Radial Piston Pump Assemblies and Use Thereof in Hydraulic Circuits | Jul 08, 16 | Jan 12, 17 | HUSCO INTERNATIONAL, INC. |
| 2016/0123,311 | FLUID WORKING MACHINE | May 27, 14 | May 05, 16 | ARTEMIS INTELLIGENT POWER LIMITED, DANFOSS POWER SOLUTIONS GMBH & CO. OHG, |
| 2015/0354,537 | Radial Piston Pump and Wind Power Generator | Jun 03, 15 | Dec 10, 15 | HITACHI, LTD. |
| 2015/0322,933 | RADIALLY CONFIGURED OIL-FREE COMPRESSOR | May 06, 15 | Nov 12, 15 | WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORPORATION |
| 2014/0322,034 | OFFSET VALVE BORE FOR A RECIPROCATING PUMP | Mar 03, 14 | Oct 30, 14 | S.P.M. FLOW CONTROL, INC. |
| 2014/0199,187 | HYDRAULIC PISTON PUMP WITH THROTTLE CONTROL | Jan 15, 13 | Jul 17, 14 | HUSCO INTERNATIONAL, INC. |
| 2013/0047,836 | MULTI-SPEED HYDRAULIC PUMP | Aug 16, 12 | Feb 28, 13 | Harken, Inc. |
| 2011/0006,006 | Combined Axial Piston Liquid Pump and Energy Recovery Pressure Exchanger | Sep 21, 10 | Jan 13, 11 | OCEAN PACIFIC TECHNOLOGIES |
| 2010/0266,427 | GUIDE RING FOR A PISTON PUMP, AND PISTON PUMP | Sep 23, 08 | Oct 21, 10 | ROBERT BOSCH GMBH |
| 2010/0170,377 | ECCENTRIC PUMP | Jun 06, 09 | Jul 08, 10 | Weber-Hydraulik GmbH |
| 2009/0223,359 | Hydraulic Machine Arrangement | May 19, 09 | Sep 10, 09 | Not available |
| 2009/0155,095 | RADIAL PISTON PUMP | Oct 08, 08 | Jun 18, 09 | DANFOSS POWER SOLUTIONS INC. |