| 2023/0143,308 | PNEUMATIC DEVICES INCLUDING SURFACE COATINGS | Jun 20, 22 | May 11, 23 | Not available |
| 2022/0252,157 | PISTON PIN AND MANUFACTURING METHOD THEREOF | Apr 29, 21 | Aug 11, 22 | Hyundai Motor Company; KIA CORPORATION; SINTERON; |
| 2021/0231,214 | VEHICLE POWER TRANSMISSION MECHANISM | Dec 01, 20 | Jul 29, 21 | Not available |
| 2020/0141,349 | ALUMINUM FOAM CORE PISTON WITH COAXIAL LASER BONDED AEROGEL/CERAMIC HEAD | Dec 19, 19 | May 07, 20 | Not available |
| 2019/0152,684 | PISTON WITH FLEXIBLE CLOSURE FOR AEROSOL CONTAINER | Nov 19, 18 | May 23, 19 | Not available |
| 2017/0175,891 | LIGHT COMPOSITE PISTON | Mar 03, 17 | Jun 22, 17 | Not available |
| 2017/0175,892 | PISTON ROD CLAMPING SYSTEM | Mar 03, 17 | Jun 22, 17 | Not available |
| 2017/0082,194 | PLUNGER WITH ION NITRIDING TREATMENT FOR A HYDRAULIC FRACTURING PUMP AND A METHOD FOR MAKING SAID PLUNGER | Sep 22, 16 | Mar 23, 17 | IONAR SA, YPF TECNOLOGÍA S.A., |
| 2015/0247,575 | PISTON-CYLINDER ARRANGEMENT, IN PARTICULAR A SLAVE CYLINDER FOR A HYDRAULIC CLUTCH ACTUATING DEVICE | Aug 14, 13 | Sep 03, 15 | SCHAEFFLER TECHNOLOGIES GMBH & CO. KG |
| 2015/0233,320 | METHOD FOR MODIFYING SURFACE OF PISTON FOR INTERNAL COMBUSTION ENGINE, AND PISTON FOR INTERNAL COMBUSTION ENGINE | Oct 08, 13 | Aug 20, 15 | Art Metal Mfg. Co., Ltd., Fuji Kihan Co., Ltd., |
| 2015/0211,570 | COATED CONNECTING-ROD AND METHOD OF MAKING THE SAME | Jan 24, 14 | Jul 30, 15 | FORD GLOBAL TECHNOLOGIES, LLC |
| 2015/0184,746 | NON-METALLIC AND NON-MAGNETIC PNEUMATIC ACTUATOR | Dec 27, 13 | Jul 02, 15 | Not available |
| 2015/0040,753 | FIBER-REINFORCED ACTUATOR | Aug 11, 14 | Feb 12, 15 | THE REGENTS OF THE UNIVERSITY OF MICHIGAN |
| 2015/0044,079 | SLIDING MEMBERS AND PISTON PUMP/MOTOR | Mar 15, 13 | Feb 12, 15 | KYB CORPORATION |
| 2015/0033,941 | LINEAR ACTUATOR AND VACUUM CONTROL DEVICE | Oct 21, 14 | Feb 05, 15 | CKD CORPORATION |
| 2014/0358,073 | PISTON FOR A NEEDLELESS VALVE SYSTEM | Aug 12, 14 | Dec 04, 14 | CAREFUSION 303, INC. |
| 2014/0150,645 | Plastic primary piston with insert for a tandem penetration-type master cylinder and a master cylinder equipped with such a piston | Nov 30, 11 | Jun 05, 14 | ROBERT BOSCH GMBH |
| 2014/0130,664 | LIGHT COMPOSITE PISTON | Nov 12, 12 | May 15, 14 | GE OIL & GAS COMPRESSION SYSTEMS, LLC |
| 2014/0109,765 | PLASTIC PRIMARY PISTON WITH STAMPED SHEET-METAL FUNCTIONAL INSERT FOR PENETRATION-TYPE TANDEM MASTER CYLINDER AND MASTER CYLINDER EQUIPPED WITH SUCH A PISTON | Dec 06, 11 | Apr 24, 14 | ROBERT BOSCH GMBH |
| 2014/0102,292 | PRIMARY PLASTIC PISTON WITH FUNCTIONAL INSERT FOR A PENETRATION-TYPE MASTER CYLINDER AND A MASTER CYLINDER EQUIPPED WITH SUCH A PISTON | Dec 07, 11 | Apr 17, 14 | ROBERT BOSCH GMBH |