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David R. Price
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Ann Arbor, MI, US
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last 30 patents
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Patent Grant
OBD calorimetric sensor system with offset error correction
Patent number
6,003,307
Issue date
Dec 21, 1999
Engelhard Corporation
Jeffrey Donald Naber
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Patent Grant
Apparatus and method for diagnosis of catalyst performance
Patent number
5,956,945
Issue date
Sep 28, 1999
Engelhard Corp.
Sanath V. Kumar
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES