| 2025/0003,490 | PISTON, GEAR-CHANGE SELECTOR MODULE AND MOUNTING METHOD | Dec 13, 22 | Jan 02, 25 | Valeo Powertrain GmbH |
| 2024/0401,578 | Proportional volumetric dosing unit | Sep 30, 22 | Dec 05, 24 | Not available |
| 2024/0117,800 | PISTON FOR A PISTON PUMP, METHOD FOR PRODUCING A PISTON, AND PISTON PUMP | Feb 02, 22 | Apr 11, 24 | thyssenkrupp Dynamic Components GmbH; THYSSENKRUPP AG; |
| 2024/0052,927 | PISTON ASSEMBLY AND ASSOCIATED COMPONENTS, SYSTEMS, AND METHOD | Jul 12, 23 | Feb 15, 24 | Not available |
| 2023/0243,423 | PISTON BLANK, PISTON AND METHOD | Jan 27, 23 | Aug 03, 23 | Not available |
| 2023/0046,766 | PUMPING ASSEMBLY, PISTON PUMP AND ORAL IRRIGATOR | Apr 28, 22 | Feb 16, 23 | FLY CAT ELECTRICAL CO., LTD. |
| 2023/0037,471 | ANNULAR RING GROOVE OF A PISTON | Oct 19, 22 | Feb 09, 23 | Not available |
| 2022/0260,034 | OPEN-FACED PISTON ASSEMBLY | Mar 21, 22 | Aug 18, 22 | Not available |
| 2022/0112,951 | PLUNGER, INSTRUMENT, AND MOLD | Oct 07, 21 | Apr 14, 22 | Enplas Corporation |
| 2021/0341,056 | Systems, Devices, and/or Methods for Improving Engine Efficiency | Sep 30, 19 | Nov 04, 21 | Not available |
| 2021/0062,916 | PISTON ASSEMBLY FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE | Aug 29, 19 | Mar 04, 21 | Not available |
| 2021/0054,931 | PISTON ASSEMBLY HAVING REDUCED EXTEND FORCE AND REDUCED DISPLACEMENT VOLUME | Aug 20, 20 | Feb 25, 21 | Roller Bearing Company of America, Inc. |
| 2020/0355,139 | ENGINE PISTON AND METHOD FOR MANUFACTURING THE SAME | Apr 27, 20 | Nov 12, 20 | Not available |
| 2020/0347,798 | ANNULAR RING GROOVE OF A PISTON | Jul 16, 20 | Nov 05, 20 | Not available |
| 2020/0325,988 | LOW HEAT TRANSFER PISTON VIA BINDER JET TECHNOLOGY | Apr 03, 20 | Oct 15, 20 | Cummins Inc. |
| 2020/0318,739 | BULK UNLOADER FOLLOWER SEAL | Dec 03, 18 | Oct 08, 20 | Not available |
| 2020/0240,353 | ENGINE SYSTEM | Jan 23, 20 | Jul 30, 20 | Not available |
| 2020/0240,354 | ENGINE SYSTEM | Jan 23, 20 | Jul 30, 20 | Not available |
| 2020/0173,554 | Hydraulic Device Comprising A Segment Having At Least One Through-Hole Configured To Promote The Rotation Of Said Segment | Nov 19, 19 | Jun 04, 20 | Airbus SAS |
| 2020/0056,480 | ENGINE WITH WORK STROKE AND GAS EXCHANGE THROUGH PISTON ROD | Sep 27, 19 | Feb 20, 20 | Aquarius Engines (A.M.) Ltd. |