| 2023/0212,966 | LUBRICATING METHOD OF LUBRICATION SYSTEM OF ENGINE | Dec 29, 22 | Jul 06, 23 | Not available |
| 2020/0408,117 | GEROTOR-TYPE OIL PUMP | Jun 25, 19 | Dec 31, 20 | Not available |
| 2019/0234,257 | INTERNAL COMBUSTION ENGINE | Jan 28, 19 | Aug 01, 19 | c/o TOYOTA JIDOSHA KABUSHIKI KAISHA |
| 2018/0238,203 | LUBRICATION STRUCTURE FOR INTERNAL COMBUSTION ENGINE | Dec 29, 17 | Aug 23, 18 | Suzuki Motor Corporation |
| 2018/0163,584 | INTERNAL COMBUSTION ENGINE WITH IMPROVED LUBRICATION SYSTEM | Nov 29, 17 | Jun 14, 18 | Not available |
| 2016/0230,621 | LUBRICATING DEVICE FOR ENGINE | Jan 28, 16 | Aug 11, 16 | MAKITA CORPORATION |
| 2016/0061,070 | Four-stroke Engine | Sep 23, 14 | Mar 03, 16 | TAIZHOU QINGLONG MACHINERY & ELECTRIC CO., LTD. |
| 2013/0192,545 | VARIABLE OIL PUMP DIAGNOSTIC | Jan 31, 12 | Aug 01, 13 | FORD GLOBAL TECHNOLOGIES, LLC |
| 2013/0118,440 | LUBRICATION APPARATUS FOR FOUR-STROKE ENGINE | Nov 01, 12 | May 16, 13 | MAKITA CORPORATION |
| 2013/0104,839 | ENGINE PROVIDED WITH LUBRICATING STRUCTURE | Oct 31, 12 | May 02, 13 | SUZUKI MOTOR CORPORATION |
| 2012/0260,883 | INTERNAL COMBUSTION ENGINE HAVING A CYLINDER HEAD AND A CYLINDER BLOCK | Nov 25, 10 | Oct 18, 12 | AVL LIST GMBH |
| 2012/0199,097 | LUBRICATION APPARATUS FOR FOUR-STROKE ENGINE | Jun 23, 10 | Aug 09, 12 | MAKITA CORPORATION |
| 2012/0060,790 | LUBRICATION STRUCTURE FOR FOUR-STROKE ENGINE | Aug 17, 11 | Mar 15, 12 | MAKITA CORPORATION |
| 2012/0017,865 | LUBRICATING DEVICE FOR FOUR-STROKE ENGINE | Jul 06, 11 | Jan 26, 12 | MAKITA CORPORATION |
| 2010/0307,448 | LUBRICATION SYSTEM FOR A FOUR-STROKE ENGINE | Dec 08, 09 | Dec 09, 10 | HUSQVARNA AB |
| 2010/0006,056 | Lubricating apparatus for a dosing system for cylinder lubrication oil and method for dosing cylinder lubricating oil | Jul 19, 07 | Jan 14, 10 | HANS JENSEN LUBRICATORS A/S |
| 2009/0301,449 | BREATHER DEVICE FOR ENGINE | May 22, 09 | Dec 10, 09 | HONDA MOTOR CO., LTD. |
| 2009/0283,067 | ENGINE LUBRICATION METHOD | May 21, 09 | Nov 19, 09 | ETG LTD |
| 2009/0235,894 | Lubrication apparatus for engines | Mar 20, 09 | Sep 24, 09 | SANYANG INDUSTRY CO., LTD. |
| 2009/0188,755 | OIL CONDITION SENSING METHODS AND SYSTEMS | Nov 24, 08 | Jul 30, 09 | GM GLOBAL TECHNOLOGY OPERATIONS LLC |