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US2770257A
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Pneumatic toggle devices provided with adjustable fulcrums
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US2730618A
|
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Thermo-couple electronic circuits provided with feed-back to the thermo-couple
|
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US2751610A
|
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Pneumatic cushions
|
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US2719534A
|
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Booster pilot valve relays of the pneumatic type
|
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US2786481A
|
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Pressure differential responsive devices
|
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US2786713A
|
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Thermostat for hot gases
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US2731024A
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Pneumatic relays embodying a signal input pressure responsive pilot valve and a booster pilot valve
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US2770246A
|
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Multiple cam load devices for pressure regulators
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US2782162A
|
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Method of treating sea water
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US2686635A
|
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Electromagnetic ratio computing device
|
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US2746292A
|
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Apparatus for measuring the net amount of foreign matter in a flowing liquid
|
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US2710015A
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Pressure differential responsive devices of the hollow ring type, provided with means for converting response into pressure outputs
|
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US2669129A
|
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Multipressure totalizing device and adjustable fulcrum therefor
|
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US2686893A
|
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Adjustable follow back in pressure responsive rebalanceable system
|
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US2634747A
|
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Regulating apparatus
|
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US2719535A
|
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Control systems provided with means for remote control of transfer from automatic to manual operation
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US2744663A
|
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Burette assembly
|
|
US2688253A
|
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Pressure differential responsive device
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US2639858A
|
|
Multivibrator tube circuits
|
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US2677385A
|
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Regulating apparatus providing proportional band regulation with automatic reset andrate of action response to input signal
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