Patents for F15C 1 - Circuit elements having no moving parts (1,509)
05/1981
05/05/1981CA1100387A1 Orifice trim and backpressure plate for high pressure valves
04/1981
04/07/1981US4260106 Fluidic oscillator with resonant inertance and dynamic compliance circuit
03/1981
03/31/1981US4258753 Fluidic switch
03/24/1981US4257695 Film projection gate
03/18/1981EP0025053A1 Fluidic oscillator device.
03/03/1981US4253508 Selective filtering of tobacco smoke by enhanced filtration efficiency
03/03/1981US4253495 Fluidic element with substantially zero null off-set
02/1981
02/10/1981US4249575 Fluidic devices
02/10/1981US4249574 Orifice trim and backpressure plate for high pressure valves
02/10/1981CA1095560A1 Fluidic spray device of simple construction
01/1981
01/27/1981US4246935 Temperature-compensated laminar proportional amplifier
01/13/1981US4244396 Digital fluid flow control system
01/07/1981EP0020642A1 Cold weather fluidic fan spray devices and method
11/1980
11/04/1980US4231519 Fluidic oscillator with resonant inertance and dynamic compliance circuit
10/1980
10/15/1980EP0017446A1 Fluidic temperature sensor and its use
10/15/1980EP0017385A1 Film projection gate
10/14/1980US4227550 Liquid oscillator having control passages continuously communicating with ambient air
09/1980
09/30/1980US4224964 Binary fluidic counter
09/18/1980WO1980001884A1 Fluidic oscillator with resonant inertance and dynamic compliance circuit
07/1980
07/29/1980CA1082602A2 Positive pressure ventilator
07/08/1980US4211249 Liquid level control system
07/01/1980US4210283 Dual pattern windshield washer nozzle
06/1980
06/12/1980WO1980001140A1 Nasal,particularly head of buccal douche
06/11/1980EP0011869A1 Spray device, especially spray-head for a mouth-cleansing apparatus
05/1980
05/15/1980WO1980000927A1 Cold weather fluidic fan spray devices and method
05/13/1980US4202374 Fluid switch with reflected shock wave
04/1980
04/15/1980US4197869 Method and apparatus for generating a stable vortex fluid flow pattern
04/15/1980US4197844 Monitor device for a ventilation unit
04/08/1980US4196857 Spray nozzle formed in container closure
04/03/1980WO1980000543A1 Dual pattern windshield washer nozzle
04/02/1980EP0009335A1 Fluidic flow control
03/1980
03/11/1980CA1073489A1 Stacking and destacking etched patterned metal foils using vacuum conveyors
03/11/1980CA1073287A1 Turbocharger
02/1980
02/26/1980US4190083 Fluidic logical pyrotechnic initiator
01/1980
01/29/1980US4185777 Fluidic spray device of simple construction
01/29/1980US4185714 Implosive acoustic generator
01/29/1980US4185664 Low noise fluid pressure reducer
01/29/1980CA1070819A1 Implosion acoustic impulse generator
01/22/1980US4184636 Fluidic oscillator and spray-forming output chamber
01/15/1980US4183338 Combustion control system adding a liquid, exhaust gases, and PCV gases
01/08/1980CA1069353A1 Swept jet oral irrigator
01/01/1980US4181153 Fluidic-amplifier device having tube in outlet channel
10/1979
10/02/1979US4169485 Method of operating a control system
10/02/1979US4169355 Turbocharger wastegate valve
10/02/1979CA1063419A1 Fluid diverting assembly
09/1979
09/18/1979US4167873 Flow meter
08/1979
08/21/1979US4164961 Fluidic pressure/flow regulator
08/07/1979CA1059918A1 Controlled fluid dispersal techniques
07/1979
07/17/1979US4161188 Jet type liquid level sensor and system
06/1979
06/28/1979WO1979000361A1 Improved fluidic oscillator and spray-forming output chamber
06/05/1979US4157161 Windshield washer
05/1979
05/22/1979US4155339 Apparatus for diverting an exhaust stream
05/03/1979WO1979000236A1 Oscillating spray device
05/01/1979US4151955 Oscillating spray device
04/1979
04/24/1979US4150641 Arrangement for controlling an air-fuel ratio of an air-fuel mixture of an internal combustion engine
04/10/1979US4148333 Fluid diverting assembly
03/1979
03/20/1979US4144906 Programmable fluidic pressure-to-electronic interface system
02/1979
02/20/1979US4139990 Fluid pulsation and transient attenuator
01/1979
01/23/1979US4135670 Shower device
01/02/1979US4132247 Fluid mixing apparatus
12/1978
12/26/1978US4131134 Fluid flow regulator
11/1978
11/21/1978US4126156 Fluid pulsation and transient attenuator
10/1978
10/31/1978US4122845 Personal care spray device
10/24/1978US4121620 Device for simultaneous modulation and amplification of low frequency sounds
10/17/1978US4120322 Hydro-fluidic temperature sensor and control system
10/10/1978CA1039972A1 Fluid flow sensor
09/1978
09/12/1978US4112977 Vortex diodes
07/1978
07/11/1978US4099539 Control system and control device therefor
06/1978
06/13/1978US4094468 Hand shower
06/13/1978US4094284 Emission control system
05/1978
05/30/1978US4091716 Fluidic servo-system and method
05/09/1978USRE29624 Fluid distribution apparatus
03/1978
03/07/1978US4078183 Control devices of the relay type
02/1978
02/14/1978US4073316 Flexible flow diverter
02/14/1978US4073274 Air-fuel metering system for internal combustion engine and apparatus to control air fuel ratio of air-fuel being applied to engine
02/14/1978US4073183 Pneumatic detector of gas and vapor contaminants in atmosphere of industrial buildings
01/1978
01/03/1978US4065839 Method and apparatus for the production of stacked, etched patterned metal foils for component elements
10/1977
10/25/1977US4055302 Liquid spray nozzle having a randomly directionally unstable discharge characteristic and counterflow internal flow pattern
10/04/1977US4052002 Controlled fluid dispersal techniques
07/1977
07/26/1977US4038511 Method for electropneumatic conversion
06/1977
06/28/1977US4031870 Fuel charge injection apparatus for internal combustion engines
06/14/1977US4029127 Fluidic proportional amplifier
05/1977
05/24/1977US4024887 Automatic valving system
05/03/1977US4021146 Fluidic flow control devices and pumping systems
04/1977
04/26/1977US4019697 Fluidic approach power compensator control system
02/1977
02/15/1977US4007625 Fluidic oscillator assembly
02/08/1977US4006755 Electrofluidic converter
01/1977
01/04/1977US4000910 Vehicle provided with a fluidic accelerometer
01/04/1977US4000757 High gain fluid amplifier
12/1976
12/28/1976US3999625 Device for simultaneous modulation and amplification of low frequency sounds
12/21/1976US3998386 Oscillating liquid nozzle
12/07/1976US3995662 Fluidic switches
11/1976
11/23/1976US3993101 Tristable fluidic device
10/1976
10/19/1976US3986527 Laminar flow digital logic elements with feedback
10/05/1976US3983636 Hydraulic fluidic level control system
09/1976
09/14/1976US3980103 Fluidic resistive element
09/07/1976US3978724 Fluidic angle-of-attack sensor
08/1976
08/24/1976US3976089 Sensing device
08/10/1976US3973558 Swept jet oral irrigator
06/1976
06/29/1976US3965918 Electro-fluidic signal converter
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