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