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Surge relief valve
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Patent number 11,221,083
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Issue date Jan 11, 2022
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DeZURIK, Inc.
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Timothy M. O'Shea
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Staged carburetor
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Patent number 4,169,871
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Issue date Oct 2, 1979
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ACF Industries, Inc.
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Steven P. Eason
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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2990821
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Patent number 2,990,821
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Issue date Jul 4, 1961
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS