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Catalytic converter
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Patent number 10,077,704
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Issue date Sep 18, 2018
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Toyota Jidosha Kabushiki Kaisha
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Shoji Ogimura
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Catalytic abatement system
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Patent number 4,054,418
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Issue date Oct 18, 1977
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E. I. Du Pont de Nemours and Company
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Steven T. Miller
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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3666422
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Patent number 3,666,422
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Issue date May 30, 1972
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3545201
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Patent number 3,545,201
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Issue date Dec 8, 1970
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3253400
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Patent number 3,253,400
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Issue date May 31, 1966
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES