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Valve actuated by its own medium
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Patent number 5,564,674
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Issue date Oct 15, 1996
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Sulzer Thermtec AG
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Rudolf Kalin
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Servo piston valve
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Patent number 4,986,512
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Issue date Jan 22, 1991
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Sulzer Brothers Limited
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Edelbert Tiefenthaler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Safety valve
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Patent number 4,977,925
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Issue date Dec 18, 1990
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Sulzer Brothers Limited
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Edelbert Tiefenthaler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Double disk gate valve
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Patent number 4,913,400
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Issue date Apr 3, 1990
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Sulzer Brothers Limited
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Edelbert Tiefenthaler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Solenoid valve having a power amplifier
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Patent number 4,697,619
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Issue date Oct 6, 1987
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Sulzer Brothers Limited
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Edelbert Tiefenthaler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Non-return valve
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Patent number 4,603,710
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Issue date Aug 5, 1986
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Sulzer Brothers Limited
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Edelbert Tiefenthaler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Plate valve
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Patent number 4,412,671
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Issue date Nov 1, 1983
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Sulzer Brothers Limited
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Edelbert Tiefenthaler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Steam throttle valve
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Patent number 4,278,619
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Issue date Jul 14, 1981
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Sulzer Brothers Ltd.
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Edelbert Tiefenthaler
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F22 - STEAM GENERATION