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High pressure choke assembly
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Patent number 4,662,401
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Issue date May 5, 1987
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Dowell Schlumberger Incorporated
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Warren M. Zingg
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Fluidic control devices
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Patent number 4,479,515
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Issue date Oct 30, 1984
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United Kingdom Atomic Energy Authority
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John R. Tippetts
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3853617
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Patent number 3,853,617
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Issue date Dec 10, 1974
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G05 - CONTROLLING REGULATING
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3803911
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Patent number 3,803,911
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Issue date Apr 16, 1974
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G01 - MEASURING TESTING
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3795263
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Patent number 3,795,263
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Issue date Mar 5, 1974
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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3789883
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Patent number 3,789,883
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Issue date Feb 5, 1974
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3777785
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Patent number 3,777,785
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Issue date Dec 11, 1973
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B22 - CASTING POWDER METALLURGY
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3760847
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Patent number 3,760,847
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Issue date Sep 25, 1973
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3732883
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Patent number 3,732,883
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Issue date May 15, 1973
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3731708
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Patent number 3,731,708
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Issue date May 8, 1973
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3712324
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Patent number 3,712,324
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Issue date Jan 23, 1973
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3705595
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Patent number 3,705,595
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Issue date Dec 12, 1972
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3696828
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Patent number 3,696,828
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Issue date Oct 10, 1972
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL