| RE49259 | Methods and systems for managing a clearance gap in a piston engine | Nov 30, 20 | Oct 25, 22 | Mainspring Energy, Inc. |
| 9995242 | Method for modifying surface of piston for internal combustion engine, and piston for internal combustion engine | Oct 08, 13 | Jun 12, 18 | Art Metal Mfg Co., Ltd.; Fuji Kihan Co., Ltd.; |
| 9995243 | Engine cover | Dec 18, 15 | Jun 12, 18 | Sumitomo Riko Company Limited; TOKAI CHEMICAL INDUSTRIES, LTD.; |
| 9995213 | Asymmetrically-shaped combustion chamber for opposed-piston engines | Mar 31, 15 | Jun 12, 18 | Achates Power Inc. |
| 9995266 | Cylinder injection internal combustion engine | May 26, 15 | Jun 12, 18 | TOYOTA JIDOSHA KABUSHIKI KAISHA |
| 9995255 | Multi-fuel engine system | Jan 20, 15 | Jun 12, 18 | General Electric Company |
| 9995191 | Oil feed member and lubricant feed mechanism for engine provided with same | Apr 28, 15 | Jun 12, 18 | Taiho Kogyo Co., Ltd. |
| 9989008 | Elongate cooling channel inlet for cooling channel pistons and method for operating | Apr 09, 15 | Jun 05, 18 | KS Kolbenschmidt GmbH |
| 9989007 | Method for controlling variable oil pressure to a piston squirter based on piston temperature | Jun 15, 16 | Jun 05, 18 | GM Global Technology Operations LLC |
| 9988952 | Combustion engine | Oct 08, 14 | Jun 05, 18 | Freevalve AB |
| 9982588 | Pre-combustion chamber assembly for internal combustion engines | Nov 18, 16 | May 29, 18 | CATERPILLAR ENERGY SOLUTIONS GMBH |
| 9976471 | Method for warming an internal combustion engine, and internal combustion engine | Feb 24, 15 | May 22, 18 | Ford Global Technologies, LLC |
| 9976530 | Method of repairing a cracked head using an injector bore insert | May 16, 16 | May 22, 18 | Cummins Inc. |
| 9976452 | Reciprocating cylinder liner seal assembly | Oct 31, 16 | May 22, 18 | Dana Automotive Systems Group, LLC |
| 9976513 | Piston with enhanced cooling and engine assembly employing the same | Feb 08, 16 | May 22, 18 | Ford Global Technologies, LLC |
| 9976892 | Volume measuring device and volume measuring method | Apr 17, 15 | May 22, 18 | IMAGINEERING, INC. |
| 9976533 | Circuit wiring body | Mar 22, 16 | May 22, 18 | Yazaki -Corporation |
| 9970384 | Steel piston with cooling gallery and method of construction thereof | May 20, 11 | May 15, 18 | Federal-Mogul LLC |
| 9970383 | Porous polymer resin layer and method for manufacturing the same | Nov 02, 15 | May 15, 18 | Hyundai Motor Company |
| 9970330 | Installing structure for electric variable valve timing apparatus | Aug 17, 16 | May 15, 18 | c/o TOYOTA JIDOSHA KABUSHIKI KAISHA |