Patents for F15C 4 - Circuit elements characterised by their special functions (140)
07/1983
07/19/1983CA1150341A1 Fluid pressure and velocity sensing apparatus
03/1983
03/02/1983EP0073182A2 Sequential register for pressure fluid system
12/1982
12/21/1982US4364414 Pneumatic phase module locking device
09/1982
09/07/1982US4347864 Auxiliary control device for pneumatic distributor
08/1982
08/10/1982US4343224 Automatic control system
05/1982
05/11/1982US4328829 Universal module for pneumatic fixed-cycle control
01/1982
01/19/1982US4311436 Fluid pressure and velocity sensing apparatus
12/1981
12/22/1981US4306588 Pneumatic control apparatus for bi-manual security
11/1981
11/10/1981US4299597 Process and filter control system for the cyclic counter-scavenging of diaphragm-activated filter hoses
10/1981
10/13/1981US4295123 Analog-to-digital converter
05/1981
05/20/1981EP0028738A2 Apparatus for measuring the velocity of a fluid and maintaining it constant
05/14/1981WO1981001316A1 Improved load resolver
03/1981
03/17/1981US4256015 Fluidic stabilization control
02/1981
02/03/1981US4248263 Digital fluid flow control apparatus
01/1981
01/20/1981US4245673 Pneumatic logic circuit
09/1980
09/03/1980EP0014987A1 Filter control apparatus provided with pneumatic valves for cyclic reverse flow cleaning of filter bags in a grain mill
06/1980
06/17/1980CA1079607A1 Timing device for fluid valve
06/03/1980US4205700 Control circuit for pneumatic phase
04/1980
04/22/1980US4199130 Valve arrangement
03/1980
03/04/1980CA1072837A1 Fluid pulse counter
01/1980
01/15/1980US4183374 Fluid pulse counter
08/1979
08/14/1979CA1060347A1 Sliding tube fluidic controller
08/07/1979CA1059918A1 Controlled fluid dispersal techniques
05/1979
05/08/1979US4153068 Pneumatic controller
05/01/1979CA1053456A1 Blowing apparatus having individual control of nozzles
02/1979
02/27/1979CA1049372A1 Timing device with tripping mechanism for fluid valve
10/1978
10/10/1978CA1040023A1 Pneumatic function generator assembly
10/03/1978US4118005 Timing device for fluid valve
08/1978
08/15/1978US4106525 Fluid pressure control
04/1978
04/25/1978US4085768 Pressure fluid impulse converter
04/04/1978US4082113 Timing device with tripping mechanism for fluid valve
02/1978
02/07/1978US4072172 Pneumatic timing device
01/1978
01/17/1978US4068682 Timing device for fluid valve
08/1977
08/30/1977US4044651 Pneumatic function generator assembly
07/1977
07/26/1977US4037625 Sliding tube fluidic controller
03/1977
03/15/1977US4011883 Manual control device for pneumatic systems
11/1976
11/23/1976US3993101 Tristable fluidic device
10/1976
10/19/1976US3986856 Blowing apparatus having individual control of nozzles
06/1976
06/08/1976US3961749 Multiple port multiple temperature thermally responsive valve
01/1976
01/27/1976US3934611 Comparator for coded signals represented by a pressure of fluid
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