| 9925655 | Muffler for pneumatic power tool and pneumatic power tool incorporating the same | Apr 07, 15 | Mar 27, 18 | Exhaust Technologies, Inc. |
| 9856766 | Exhaust muffler and sound deadening element | Sep 12, 16 | Jan 02, 18 | HONDA MOTOR CO., LTD. |
| 9850799 | Method of and apparatus for exhausting internal combustion engines | Jun 19, 15 | Dec 26, 17 | NG1 Technologies, Inc. |
| 9737840 | Air cleaner | Sep 28, 15 | Aug 22, 17 | TIGERS POLYMER CORPORATION |
| 9624799 | Multi-muffler sound attenuator assembly | Feb 18, 16 | Apr 18, 17 | SCHLUMBERGER TECHNOLOGY CORPORATION |
| 9546581 | Muffler for an exhaust system | Aug 26, 15 | Jan 17, 17 | Eberspacher Exhaust Technology GmbH & Co. KG |
| 9504182 | Electrical housing having cooling and sound-absorbing means | Jun 14, 13 | Nov 22, 16 | ABB SCHWEIZ AG |
| 9449592 | Muffler shell for use in the exhaust system of a vehicle | Sep 09, 14 | Sep 20, 16 | BOSAL EMISSION CONTROL SYSTEMS NV |
| 9249703 | Compact muffler for small two-stroke internal combustion engines | Nov 11, 13 | Feb 02, 16 | NORTHWEST ULD, INC. DBA NORTHWEST UAV PROPULSION SYSTEMS |
| 9243557 | Shunt pulsation trap for positive displacement (PD) internal combustion engines (ICE) | Sep 15, 12 | Jan 26, 16 | Not available |
| 9206717 | Active sound absorbers | Oct 11, 12 | Dec 08, 15 | EBERSPAECHER EXHAUST TECHNOLOGY GMBH & CO. KG |
| 9103263 | Method of and apparatus for exhausting internal combustion engines | Jul 01, 12 | Aug 11, 15 | NG1 Technologies, Inc., NG1 TECHNOLOGIS, LLC., |
| 9097220 | Acoustic attenuator for an engine booster | Oct 14, 12 | Aug 04, 15 | FORD GLOBAL TECHNOLOGIES, LLC |
| 9046028 | Muffler equipped with catalytic converter | Feb 26, 14 | Jun 02, 15 | HONDA MOTOR CO., LTD. |
| 9022170 | Muffler equipped with catalytic converter | Mar 05, 14 | May 05, 15 | HONDA MOTOR CO., LTD. |
| 9010486 | Silencer and a method for producing same | May 14, 12 | Apr 21, 15 | Eberspacher Exhaust Technology GmbH & Co. KG, EBERSPAECHER EXHAUST TECHNOLOGY GMBH & CO. KG, |
| 9004879 | Discrete heat-insulated exhaust muffler device and refrigeration compressor using same | Dec 30, 13 | Apr 14, 15 | HUANGSHI DONGBEI ELECTRICAL APPLIANCE CO., LTD. |
| 8936133 | Four cycle internal combustion engine exhaust | Mar 01, 12 | Jan 20, 15 | Not available |
| 8916104 | Exhaust gas denitrifying system having noise-reduction structure | Aug 29, 11 | Dec 23, 14 | PANASIA CO., LTD. |
| 8893471 | Exhaust apparatus for four wheeled utility vehicle | Feb 28, 13 | Nov 25, 14 | KAWASAKI JUKOGYO KABUSHIKI KAISHA |