| 9945230 | Silent gear pump or motor suppressing troubles of trapping fluid | Apr 16, 14 | Apr 17, 18 | Not available |
| 9915263 | Gear pump with deflector in fluid intake for diverting fluid towards voids in housing | Feb 10, 17 | Mar 13, 18 | STEYR MOTORS GMBH |
| 9841022 | Toy fluid pumping gun | May 18, 15 | Dec 12, 17 | DEKA PRODUCTS LIMITED PARTNERSHIP |
| 9822781 | Optimized helix angle rotors for roots-style supercharger | Dec 19, 14 | Nov 21, 17 | EATON CORPORATION |
| 9752572 | Variable flow hydraulic machine | Sep 05, 14 | Sep 05, 17 | CONCENTRIC BIRMINGHAM LIMITED |
| 9644627 | Gear pump | Jun 28, 12 | May 09, 17 | HITACHI, LTD. |
| 9574558 | High pressure gear pump with dual wall housing | Mar 14, 14 | Feb 21, 17 | WOODWARD, INC. |
| 9546656 | Fluid machine | Jun 12, 12 | Jan 17, 17 | SANDEN HOLDINGS CORPORATION |
| 9377023 | Air compressor | Dec 29, 11 | Jun 28, 16 | KABUSHIKI KAISHA TOYOTA JIDOSHOKKI |
| 9366137 | Fluid-pressure apparatus with gears having tooth profiles | Aug 09, 12 | Jun 14, 16 | SUMITOMO PRECISION PRODUCTS CO., LTD. |
| 9316102 | Rotors formed using involute curves | Apr 20, 12 | Apr 19, 16 | EXPONENTIAL TECHNOLOGIES, INC. |
| 9303529 | Lube spacer bearing with pressure loading channel | Jan 18, 11 | Apr 05, 16 | HAMILTON SUNDSTRAND CORPORATION |
| 9181946 | Lubricant pump and control piston | May 11, 11 | Nov 10, 15 | AUDI AG |
| 9127548 | 3-stroke/6-stroke rocket jet engine | Mar 21, 12 | Sep 08, 15 | Ishii, Arthur Ryuji, ISHII, RYUJI, ISHII, TAKESHI, |
| 9127670 | Geared hydraulic machine | Dec 06, 10 | Sep 08, 15 | INTERPUMP GROUP S.P.A. |
| 9121275 | Positive displacement expander | Dec 19, 12 | Sep 01, 15 | EXPONENTIAL TECHNOLOGIES, INC. |
| 9103210 | Rotary device | Jul 01, 10 | Aug 11, 15 | LUMBERJACK PTY. LTD. |
| 9097250 | Pump rotor | Nov 06, 12 | Aug 04, 15 | YAMADA MANUFACTURING CO., LTD. |
| 9091265 | Gear pump with continuous variable output flow rate | Apr 04, 11 | Jul 28, 15 | Not available |
| 9062549 | Fluid injected screw compressor element | May 15, 09 | Jun 23, 15 | ATLAS COPCO AIRPOWER, NAAMLOZE VENNOOTSCHAP |