F15B 5 - Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities

Patents for F15B 5 - Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities (494)
02/2005
02/24/2005	WO2005016766A2 Vacuum packaging appliance spice rack
12/2004
12/22/2004	CN2665430Y Hydraulic oil cylinder with pressure differential triggering changing-over control structure
12/09/2004	US20040244834 Electro-pneumatic air pressure regulator
12/08/2004	EP1484512A2 Electro-pneumatic air pressure regulator
11/2004
11/25/2004	US20040236472 Methods and apparatus for operating and performing diagnostics in a control loop of a control valve
09/2004
09/08/2004	CN2639595Y 静态伺服阀 Static servo valve
08/2004
08/17/2004	US6776389 Feedback mechanism and valve positioner
06/2004
06/01/2004	US6745084 Valve positioner system
08/2003
08/27/2003	CN1438427A Feed-back mechanism and valve positioner
08/21/2003	US20030155542 Feedback mechanism and valve positioner
03/2003
03/05/2003	EP0791152B1 Method for producing a valve
02/2003
02/11/2003	US6519508 Valve positioner and current-to-pneumatic converter
02/11/2003	CA2085039C Piezo valve
11/2002
11/13/2002	EP0918939B1 Electropneumatic positioner
09/2002
09/17/2002	US6453261 Valve positioner system
09/04/2002	CN1090350C 减压阀 Valve
09/04/2002	CN1090349C Electronic watch with minute repeater function
08/2002
08/20/2002	CA2093257C Electro-pneumatic signal converter
07/2002
07/03/2002	CN1356480A In-line power monitor method for hydraulic system
02/2002
02/26/2002	US6349627 Electropneumatic positioner
01/2002
01/30/2002	EP1058866A4 Valve positioner system
01/08/2002	CA2107624C Electro-pneumatic converter calibration
11/2001
11/08/2001	US20010037670 Valve positioner system
11/01/2001	US20010037159 Valve positioner system
10/2001
10/25/2001	US20010032518 Valve positioner system
08/2001
08/07/2001	US6272401 Valve positioner system
06/2001
06/05/2001	US6240793 Automated confirmation of the presence of at least one ring in an article of manufacture during assembly of the article of manufacture
04/2001
04/25/2001	CN1065030C Electricity /air pressure converter
03/2001
03/20/2001	US6202681 Vacuum pressure control system
03/20/2001	US6202680 Positioner and its setting method
03/08/2001	DE10019248A1 Ventilpositionsgeber und Strom/Pneumatik-Wandler Valve position sensor and electric / pneumatic converter
02/2001
02/15/2001	DE19781634C2 Druckreduzierventil Pressure reducing valve
01/2001
01/16/2001	US6173744 Piezoelectric valve
01/09/2001	US6171066 Automatic pneumatic pressure control apparatus and method of controlling same
12/2000
12/13/2000	EP1058866A2 Valve positioner system
11/2000
11/21/2000	US6148837 Automatic pneumatic pressure control apparatus and method of controlling same
07/2000
07/12/2000	CN2387298Y Flow sensor
03/2000
03/28/2000	US6041814 Vacuum pressure control system
03/22/2000	CN1247945A Locator and setting up method thereof
02/2000
02/10/2000	DE19833904A1 Sample stage positioner offering lift and tilt down to picometer range under low temperatures comprises metal bellows containing expansible medium and electrical heater
02/01/2000	US6019121 Pressure reducing valve
01/2000
01/25/2000	US6016824 Control method and circuit for valve device
01/19/2000	EP0972979A2 Positioner and its setting method
11/1999
11/04/1999	WO1999005576A3 Valve positioner system
11/02/1999	US5974855 Electro-pneumatic converter calibration
09/1999
09/29/1999	CN1230244A Electropneumatic positioner
09/22/1999	EP0943812A1 Piezoelectric valve
09/22/1999	EP0707687B1 Pneumatic instrument particle trap
07/1999
07/01/1999	DE19755956A1 Closure section for pressure transducer or control valve
06/1999
06/02/1999	EP0918939A1 Electropneumatic positioner
04/1999
04/07/1999	CN1213441A 减压阀 Valve
03/1999
03/09/1999	US5878569 Energy conversion system
03/02/1999	US5875632 Electrohydraulic drive
02/1999
02/04/1999	WO1999005576A2 Valve positioner system
01/1999
01/26/1999	US5863024 Micro-Electromagnet including an integrated magnetic circuit and coil
12/1998
12/16/1998	EP0884667A1 Automatic pneumatic pressure control apparatus and method of controlling same
11/1998
11/04/1998	EP0875811A2 Automatic pneumatic pressure control apparatus and method of controlling same
09/1998
09/29/1998	CA2088194C Analog output electro-pneumatic transducer
09/08/1998	US5804696 Electro-pneumatic converter calibration
08/1998
08/19/1998	EP0859302A2 Electro-pneumatic converter calibration
07/1998
07/16/1998	WO1998030944A1 Pressure reducing valve
07/14/1998	US5779218 Valve with piezoelectric lamina and a method of producing a valve
05/1998
05/27/1998	EP0795081B1 Electrohydraulic drive
04/1998
04/30/1998	DE19647752A1 Piezohydraulic drive for machine tools
04/23/1998	DE19746230A1 Energy conversion system
04/01/1998	EP0833239A2 Pneumatic pressure relay
03/1998
03/12/1998	DE19636207A1 Electrical-fluidic signals converter
02/1998
02/26/1998	WO1998007993A1 Electropneumatic positioner
02/26/1998	CA2263841A1 Electropneumatic positioner
01/1998
01/27/1998	US5711346 Fluid control element
12/1997
12/23/1997	US5699824 Electrical-pneumatic system
12/04/1997	DE19635368C1 Electro-pneumatic position regulator e.g. for control valve
09/1997
09/30/1997	US5673238 Electronic watch with minute-repeater function
09/17/1997	EP0795081A1 Electrohydraulic drive
08/1997
08/27/1997	EP0791152A1 Valve with piezoelectrical lamina and a method for producing a valve
05/1997
05/21/1997	EP0554415B1 Electropneumatic positioner
03/1997
03/27/1997	DE19534017A1 Electro-pneumatic system esp. for process control system
03/13/1997	WO1997009555A1 Valve with piezoelectrical lamina and a method for producing a valve
03/05/1997	CN1144329A Electropheumatic positioner
01/1997
01/07/1997	US5590677 Electropneumatic positioner
12/1996
12/24/1996	US5586575 Electropneumatic converter with solenoid valve control
11/1996
11/06/1996	EP0741248A2 Fluidic control element
10/1996
10/10/1996	DE19512413A1 Dynamic compressed air economiser device
08/1996
08/29/1996	DE19506022A1 Electrically-operated hydraulic pressure oscillator
07/1996
07/18/1996	DE4442649A1 Elektrohydraulischer Antrieb Electro-hydraulic drive
07/17/1996	EP0722134A1 Method and valve assembly for controlling a pilot signal
07/09/1996	US5533544 Supply biased pneumatic pressure relay
07/03/1996	EP0719951A1 Micro electromagnet with integrated magnetic circuit and coil
06/1996
06/19/1996	CN1124992A Pneumatic instrument particle trap
06/18/1996	US5526838 Method and valve assembly for controlling a pilot signal
06/06/1996	WO1996017165A1 Electrohydraulic drive
06/05/1996	EP0560894B1 Apparatus and method for detecting a position of a piston
04/1996
04/24/1996	EP0707687A1 Pneumatic instrument particle trap
04/02/1996	US5502999 Electro-pneumatic converter calibration
02/1996
02/07/1996	CN1116328A Electronic watch with minute repeater function
01/1996
01/23/1996	CA1337965C Method and device for detecting a moving glass sheet
12/1995
12/21/1995	DE4420741A1 ELectro-pneumatic converter for process control applications
12/12/1995	US5474100 Electricity/air pressure converter
11/1995
11/30/1995	DE4418711A1 Precision mechanical adjuster for hydraulic actuator
11/28/1995	US5471147 Apparatus and method for determining the linear position of a hydraulic cylinder

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