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Jet pipe servo with flexure pivot
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Patent number 8,997,624
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Issue date Apr 7, 2015
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Jansen's Aircraft Systems Controls, Inc.
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Harvey B. Jansen
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Fail-safe single-stage servovalve
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Patent number 4,442,855
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Issue date Apr 17, 1984
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Moog Inc.
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Stanley J. Hoffman
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Turboflapper nozzle systems
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Patent number 4,425,509
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Issue date Jan 10, 1984
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Sperry Corporation
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Joannes N. M. de Jong
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G05 - CONTROLLING REGULATING
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Variable-gradient spring sub-assembly
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Patent number 4,112,960
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Issue date Sep 12, 1978
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Fischer & Porter Company
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Henry M. Hermanns
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3881518
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Patent number 3,881,518
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Issue date May 6, 1975
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3561476
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Patent number 3,561,476
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Issue date Feb 9, 1971
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3373760
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Patent number 3,373,760
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Issue date Mar 19, 1968
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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3282562
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Patent number 3,282,562
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Issue date Nov 1, 1966
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2969079
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Patent number 2,969,079
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Issue date Jan 24, 1961
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G05 - CONTROLLING REGULATING
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2930389
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Patent number 2,930,389
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Issue date Mar 29, 1960
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL