Unbalanced pivoted valve [e.g., unbalanced butterfly type]

Patents Grantslast 30 patents

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    3915587

    • Patent number 3,915,587
    • Issue date Oct 28, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    3909152

    • Patent number 3,909,152
    • Issue date Sep 30, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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    3724822

    • Patent number 3,724,822
    • Issue date Apr 3, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    3695592

    • Patent number 3,695,592
    • Issue date Oct 3, 1972
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    3626975

    • Patent number 3,626,975
    • Issue date Dec 14, 1971
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    3601149

    • Patent number 3,601,149
    • Issue date Aug 24, 1971
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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    3565104

    • Patent number 3,565,104
    • Issue date Feb 23, 1971
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    3232315

    • Patent number 3,232,315
    • Issue date Feb 1, 1966
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
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    3199530

    • Patent number 3,199,530
    • Issue date Aug 10, 1965
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    3073686

    • Patent number 3,073,686
    • Issue date Jan 15, 1963
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    3065812

    • Patent number 3,065,812
    • Issue date Nov 27, 1962
    • B60 - VEHICLES IN GENERAL
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    3026902

    • Patent number 3,026,902
    • Issue date Mar 27, 1962
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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    2990848

    • Patent number 2,990,848
    • Issue date Jul 4, 1961
    • G05 - CONTROLLING REGULATING
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    2986131

    • Patent number 2,986,131
    • Issue date May 30, 1961
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2964028

    • Patent number 2,964,028
    • Issue date Dec 13, 1960
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2927182

    • Patent number 2,927,182
    • Issue date Mar 1, 1960
    • H01 - BASIC ELECTRIC ELEMENTS
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    2911054

    • Patent number 2,911,054
    • Issue date Nov 3, 1959
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2888031

    • Patent number 2,888,031
    • Issue date May 26, 1959
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2858987

    • Patent number 2,858,987
    • Issue date Nov 4, 1958
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2689582

    • Patent number 2,689,582
    • Issue date Sep 21, 1954
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2672156

    • Patent number 2,672,156
    • Issue date Mar 16, 1954
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2643672

    • Patent number 2,643,672
    • Issue date Jun 30, 1953
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2624363

    • Patent number 2,624,363
    • Issue date Jan 6, 1953
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2582052

    • Patent number 2,582,052
    • Issue date Jan 8, 1952
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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    2546367

    • Patent number 2,546,367
    • Issue date Mar 27, 1951
    • B60 - VEHICLES IN GENERAL
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    2544520

    • Patent number 2,544,520
    • Issue date Mar 6, 1951
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2512211

    • Patent number 2,512,211
    • Issue date Jun 20, 1950
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2493883

    • Patent number 2,493,883
    • Issue date Jan 10, 1950
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2493407

    • Patent number 2,493,407
    • Issue date Jan 3, 1950
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    2452208

    • Patent number 2,452,208
    • Issue date Oct 26, 1948
    • G05 - CONTROLLING REGULATING