| 9997152 | Sound generator for mounting on a vehicle to manipulate vehicle noise | Nov 02, 16 | Jun 12, 18 | Eberspächer Exhaust Technology GmbH & Co. KG |
| 9945280 | Exhaust gas system for an internal combustion engine and method for operating the exhaust gas system | Oct 05, 15 | Apr 17, 18 | Bayerische Motoren Werke Aktiengesellschaft |
| 9945276 | Exhaust system for an internal combustion engine and method for operating the exhaust system | Mar 27, 17 | Apr 17, 18 | Bayerische Motoren Werke Aktiengesellschaft |
| 9828893 | Sound control of an engine or other prime mover | Feb 29, 16 | Nov 28, 17 | GM GLOBAL TECHNOLOGY OPERATIONS LLC |
| 9816414 | Adaptive valve spring retainer with vibration damping | Mar 06, 12 | Nov 14, 17 | FAURECIA EMISSIONS CONTROL TECHNOLOGIES, FAURECIA EMISSIONS CONTROL TECHNOLOGIES, USA, LLC, |
| 9784154 | Variable valve | Sep 23, 15 | Oct 10, 17 | HYUNDAI MOTOR COMPANY |
| 9771844 | Two-stroke lean burn gas engine with a silencer-catalytic converter | Feb 10, 14 | Sep 26, 17 | GE OIL & GAS COMPRESSION SYSTEMS, LLC |
| 9759105 | Exhaust muffler | Jun 24, 16 | Sep 12, 17 | Eberspacher Exhaust Technology GmbH & Co. KG |
| 9752475 | Exhaust system for an internal combustion engine | Aug 26, 16 | Sep 05, 17 | AUDI AG |
| 9732645 | IC power plant and method of operation | Apr 29, 15 | Aug 15, 17 | Colette, Tony S. |
| 9732896 | Apparatus for diverting a flow of material | Nov 16, 11 | Aug 15, 17 | Not available |
| 9695718 | Silencer | Mar 05, 15 | Jul 04, 17 | FUTABA INDUSTRIAL CO., LTD. |
| 9695719 | Exhaust muffler device for combustion engine | Sep 15, 15 | Jul 04, 17 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |
| 9689301 | Tailor to fit muffler | Jul 28, 15 | Jun 27, 17 | TENNECO AUTOMOTIVE OPERATING COMPANY INC. |
| 9677438 | Exhaust flow valve with revrumble feature | Oct 19, 15 | Jun 13, 17 | GM GLOBAL TECHNOLOGY OPERATIONS LLC |
| 9657615 | Silencer for internal combustion engine | Mar 14, 16 | May 23, 17 | HONDA MOTOR CO., LTD. |
| 9644544 | Spring biased exhaust valve assembly | Oct 26, 15 | May 09, 17 | VCONVERTER CORPORATION |
| 9638077 | Muffler | Jul 26, 16 | May 02, 17 | Eberspacher Exhaust Technology GmbH & Co. KG |
| 9631751 | Flexible tube for exhaust pipe of automobile | Sep 05, 14 | Apr 25, 17 | SJM CO. LTD. |
| 9624837 | Adaptive valve spring retainer | May 08, 12 | Apr 18, 17 | FAURECIA EMISSIONS CONTROL TECHNOLOGIES, FAURECIA EMISSIONS CONTROL TECHNOLOGIES, USA, LLC, |