Patents for F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537) |
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01/17/1978 | US4069284 Anti-vibration heat-insulation structure and a process for production thereof |
12/27/1977 | US4064963 Exhaust for internal-combustion engine |
12/20/1977 | US4063700 Double saddle hanger clamp |
12/20/1977 | US4063336 Clamp for tubing |
12/06/1977 | US4060985 Exhaust system of an internal combustion engine |
11/22/1977 | US4059712 Metal-ceramic composite and method for making same |
11/08/1977 | US4056933 Exhaust gas purifier in an internal combustion engine |
11/08/1977 | US4056869 Welded muffler clamp |
10/25/1977 | US4055064 Muffler and tail pipe expander and cleaner |
10/25/1977 | US4055045 Port liner support device |
10/18/1977 | US4054417 Regenerative-filter-incinerator device |
10/11/1977 | USRE29433 Air-pollution preventive arrangement |
09/27/1977 | US4050539 Exhaust apparatus for internal combustion engine |
09/27/1977 | US4050430 Intake air warming device |
09/27/1977 | US4050245 Concentric dual engine exhaust system |
09/20/1977 | US4049388 Center air manifold for catalytic converter |
09/20/1977 | US4049387 Exhaust gas purifier |
09/13/1977 | US4048287 Sulfur recovery method |
09/13/1977 | US4048092 Catalytic mixture and method of use therefor |
08/09/1977 | US4041128 Reaction with iron, copper or zinc oxides and sulfides |
08/09/1977 | US4040294 Apparatus for detecting misfire in multicylinder internal combustion engine |
08/02/1977 | US4039293 Automobiles |
07/26/1977 | US4037407 Exhaust gas purification system for internal combustion engines |
07/12/1977 | US4034562 Exhaust reaction apparatus for internal combustion engine having in-line cylinders |
07/05/1977 | US4033428 Muffler for intermittent blasts of air from pneumatic tools, valves and the like |
06/28/1977 | US4032310 Muffler and exhaust gas purifier for internal combustion engines |
06/28/1977 | US4031700 Heat insulating apparatus for exhaust pipe of an internal combustion engine |
06/14/1977 | US4028887 Internal combustion engine with improved exhaust port |
06/07/1977 | US4028275 Platinum group metal, organic nitrogen or phosphorus compound |
05/31/1977 | US4026381 Exhaust system cover assembly |
05/24/1977 | US4024850 Internal combustion engine monitor system |
05/17/1977 | US4023361 Catalyst for controlling poisonous exhaust gas |
05/17/1977 | US4023358 Internal combustion engine reactor protective control system |
05/10/1977 | US4022291 Exhaust muffler having an attenuater can assembly |
05/10/1977 | US4022019 Exhaust conveying system for internal combustion engines |
05/03/1977 | US4021372 Catalyst for reducing oxides of nitrogen in the exhaust gas from internal combustion engines and process for making the catalyst |
05/03/1977 | US4021203 Catalytic converter for purifying gases |
05/03/1977 | US4020539 Catalytic reactor for automobile |
05/03/1977 | US4020533 Clamp |
04/26/1977 | US4019599 Spring type pipe support |
04/26/1977 | US4019537 Arrangement for mounting guide vanes or other transverse objects inside a conduit |
04/26/1977 | US4019456 Marine wet exhaust system and improvements in powered marine vessel |
04/19/1977 | US4018049 Exhaust manifold reactor assembly |
04/05/1977 | US4015841 Sorter |
04/05/1977 | US4015429 Outboard motor for reducing exhaust gas pollutants |
03/29/1977 | US4014282 Exhaust tube mounting apparatus for outboard motors |
03/15/1977 | US4012058 Magnetic coupler for engine exhaust ducts |
03/15/1977 | US4011651 Fibre masses |
02/01/1977 | US4005576 Internal combustion engine exhaust manifold with cylindrical built-in catalyst container |
01/25/1977 | US4004768 Universal joint hanger for tailpipes and the like |
01/18/1977 | US4003331 Exhaust valve assembly for preventing ingress of water to an outboard marine engine |
01/11/1977 | US4002433 Heat shield for a catalytic emission control device |
01/11/1977 | US4002136 Marine exhaust system |
12/07/1976 | US3995712 Muffler |
11/30/1976 | US3994130 Exhaust manifold assembly with catalytic converter |
11/23/1976 | US3992879 Exhaust gas cleaner |
11/09/1976 | US3991254 High temperature insulating structure |
11/09/1976 | US3990859 Exhaust systems for internal combustion engines |
11/02/1976 | US3988890 Overheating protection for an exhaust gas purification block |
10/26/1976 | US3988113 Apparatus for treating engine exhaust gases |
10/26/1976 | US3987868 Silencing device for internal combustion engines |
10/19/1976 | US3986840 Reactor assembly for reducing automotive pollutant emissions |
10/12/1976 | US3985377 Slip joint connection for engine exhaust system |
10/12/1976 | US3984975 Internal combustion engine exhaust emission control |
10/05/1976 | USRE28988 Exhaust gas manifold |
10/05/1976 | US3984207 Exhaust systemscatalytic |
10/05/1976 | US3984134 Clamp device |
10/05/1976 | US3983696 Combustion engine having at least one outlet passage |
09/28/1976 | US3982394 Control installation for the proportioning of a secondary air quantity for achieving optimum combustion or after-burning in internal combustion engines |
09/21/1976 | US3981378 Muffler for pile driving apparatus |
09/21/1976 | US3981145 Device for purifying exhaust gases by catalytic reaction |
09/07/1976 | US3979246 Heat-insulated exhaust pipe |
09/07/1976 | US3979185 Catalytic converter having plural reaction stages with temperature-comparing means therein |
09/07/1976 | US3978567 Method of making a catalytic reactor for automobile |
08/31/1976 | US3978193 Method and apparatus for treating exhaust gases |
08/31/1976 | US3977486 Mounting for exhaust installations of motor vehicles |
08/03/1976 | US3972685 Catalyst converter |
08/03/1976 | US3972184 Catalytic treatment of exhaust gas responsive to engine temperature |
07/20/1976 | US3970168 Muffler |
07/20/1976 | US3969893 Exhaust gas emission control device for multi-cylinder engines |
07/13/1976 | US3969083 Catalytic converter for purifying gases |
07/13/1976 | US3969082 Apparatus for purifying exhaust waste gases |
07/13/1976 | US3968854 Low noise level muffler for small engines |
07/13/1976 | US3968645 Exhaust gas cleaning device for internal combustion engine |
07/06/1976 | US3967929 Exhaust gas purifying system |
07/06/1976 | US3967446 Exhaust relief silencing apparatus for marine propulsion systems |
06/29/1976 | US3966419 Catalytic converter having monolith with mica support means therefor |
06/29/1976 | US3966016 Muffler converter |
06/29/1976 | US3965881 Internal combustion engine |
06/29/1976 | US3965678 Air distribution pipe for exhaust gas manifold |
06/22/1976 | US3964888 Vacuum sweeper |
06/22/1976 | US3964773 Anti-emission exhaust pipe joint and clamp therefor |
06/22/1976 | US3964376 Tamper-proof weather cover device for exhaust pipes |
06/15/1976 | US3963448 Two-bed catalytic converter |
06/15/1976 | US3963444 Secondary air supply means of exhaust gas cleaning devices |
06/15/1976 | US3963087 Protective screens for exhaust systems of motor vehicles |
06/08/1976 | US3961907 Catalytic converter |
06/08/1976 | US3961477 Process and system for detoxicating the exhaust gases of an internal combustion engine |
06/01/1976 | US3960509 Catalytic muffler |
06/01/1976 | US3960239 Noise-reducing fluid-flow devices |