| Patents for F15B 19 - Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere (1,602) |
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| 07/28/1998 | US5784945 Method and apparatus for determining a valve transform |
| 07/01/1998 | EP0850363A1 Process and device for determining working positions of a working device |
| 06/16/1998 | US5767389 Method and apparatus for testing a fluid pressure apparatus |
| 06/16/1998 | US5765589 Valve arrangement |
| 06/09/1998 | US5762475 Automatic solenoid control valve calibration |
| 06/03/1998 | EP0845602A2 Electrohydraulic control device |
| 05/07/1998 | DE19748527A1 Simulation modelling method for hydraulic or electric circuit e.g. of motor |
| 04/30/1998 | WO1998017986A1 Method for representing a hydraulically working pressure fluid receptor |
| 04/23/1998 | DE19643292A1 Verfahren zur Darstellung eines hydraulisch beaufschlagten Druckmittelnehmers A method for representing a hydraulically operated pressure fluid taker |
| 04/15/1998 | CN2278789Y Hydraulic double-return loading device |
| 04/01/1998 | EP0832389A1 Automatic solenoid control valve calibration |
| 03/19/1998 | WO1998011357A1 Compact actuator and controller and pumping apparatus for same |
| 03/19/1998 | CA2269585A1 Compact actuator and controller and pumping apparatus for same |
| 03/18/1998 | EP0829648A1 Method and device for determining the amount of undissolved gas in a hydraulic system |
| 02/04/1998 | EP0822343A2 Position controller and a control valve with such a controller |
| 01/22/1998 | WO1998002685A1 Self-testing device for pneumatic drives and position regulator equipped with this device |
| 01/22/1998 | WO1998002664A1 Process and device for determining working positions of a working device |
| 12/31/1997 | WO1997049923A1 Testing of fluid systems |
| 12/09/1997 | US5694808 For pumping incompressible media |
| 10/02/1997 | DE19613042A1 Device for testing the stopping behaviour for hydraulic machines especially hydraulic pumps |
| 09/25/1997 | WO1997035133A1 Automatic solenoid control valve calibration |
| 09/10/1997 | CN2262133Y test bed for hydraulic cylinder |
| 07/16/1997 | EP0783633A1 Method and apparatus for testing a fluid pressure apparatus |
| 07/08/1997 | US5646539 Multi-purpose capacitive sensor |
| 05/13/1997 | US5628229 Method and apparatus for indicating pump efficiency |
| 04/22/1997 | US5623093 Method and apparatus for calibrating an electrohydraulic system |
| 04/16/1997 | EP0643814B1 Process and device for testing a fitting operated by a medium |
| 03/06/1997 | DE19634816A1 Capacitive multipurpose sensor, esp. for detecting several parameters of hydraulic system |
| 02/13/1997 | WO1997005395A1 Method and apparatus for testing a fluid pressure apparatus |
| 01/22/1997 | EP0754866A2 Valve arrangement |
| 01/21/1997 | US5595138 Apparatus for detecting operational anomalies in pressurized fluid circuits |
| 09/26/1996 | DE19517305C1 Dynamic pulse testing device for fluid circuit component |
| 08/21/1996 | EP0727016A1 Method of determining the operating condition of a hydraulic device |
| 05/28/1996 | US5520053 Ultrasound testing device for gas pressure accumulators |
| 05/22/1996 | EP0656109B1 Ultra-sound testing device for gas pressure accumulators |
| 04/02/1996 | US5502999 Electro-pneumatic converter calibration |
| 02/07/1996 | EP0695880A1 Installation for distributing hydraulic fluid for testing or controlling hydraulic circuits |
| 10/05/1995 | DE19512154A1 Determination of wear in pump |
| 06/20/1995 | CA1335943C Diagnostic apparatus and method for fluid control valves |
| 06/07/1995 | EP0656109A1 Ultra-sound testing device for gas pressure accumulators. |
| 05/11/1995 | WO1995012761A1 Method of determining the operating condition of a hydraulic device |
| 05/09/1995 | US5413404 Method for detecting trouble in fluid pressure system and fluid pressure brake system for vehicle |
| 10/20/1994 | DE4408588A1 Method of detecting faults in a fluid-pressure system and fluid-pressure brake system for vehicles |
| 10/12/1994 | CN2179483Y Pollution susceptibility testing device for hydraulic valve |
| 08/09/1994 | US5337262 Apparatus for and method of testing hydraulic/pneumatic apparatus using computer controlled test equipment |
| 04/13/1994 | EP0591925A2 Electro-pneumatic converter calibration |
| 04/05/1994 | US5301128 Servovalve analyzer system |
| 03/03/1994 | WO1994004898A1 Ultra-sound testing device for gas pressure accumulators |
| 02/24/1994 | DE4227657A1 Ultraschall-Prüfeinrichtung für Gasdruckspeicher Ultrasonic testing device for gas storage |
| 12/09/1993 | WO1993024779A1 Process and device for testing a fitting operated by a medium |
| 12/09/1993 | DE4218320A1 Verfahren und Einrichtung zur Prüfung einer durch ein Medium angetriebenen Armatur Method and apparatus for testing a valve operated by a medium |
| 11/25/1993 | DE4241199C1 Hydraulic fluid circulation system for hydraulic testing of hoses and other components - has connecting pipes for test components fitted with temp. converters and controllable heating elements |
| 10/21/1993 | DE4212938A1 Seal testing appts. e.g. for testing vehicle shock absorber - has pressure source for filling first chamber with gas and uses pressure sensor to determine pressure increase in second chamber |
| 08/31/1993 | US5240379 Hydraulic power unit |
| 08/10/1993 | US5235525 Servovalve analyzer system |
| 07/28/1993 | EP0552841A2 Method and device for detecting undissolved gas in a hydraulic control system |
| 07/14/1993 | EP0550935A1 Test device for simultaneously testing at least two hydraulic systems |
| 03/10/1993 | EP0530961A1 Hydraulic power unit |
| 12/08/1992 | US5168753 Measuring device for detecting parameters charterizing the operating behavior of hydraulic assembles |
| 07/01/1992 | EP0492279A1 Measuring device for establishing characteristic magnitudes which display the working of hydraulic systems |
| 09/17/1991 | US5048329 Hydraulic valve test device |
| 08/28/1991 | CN2083741U Dynamic property tester for hydraulic support safety valve |
| 06/05/1991 | CN2078388U Device for valve pressure testing |
| 03/12/1991 | CA1281262C Pressurized fluid feed system |
| 02/19/1991 | US4993259 Method and apparatus for testing prefilled hydraulic systems |
| 01/09/1991 | EP0406772A2 Apparatus for generating test loads |
| 11/06/1990 | US4967553 System for monitoring a hydraulic accumulator |
| 10/03/1990 | CN2063178U Hydraulically pressurizing tester |
| 08/01/1990 | CN2059988U Measurer for overhauling hydraulic system |
| 08/01/1990 | CN2059946U Special mould block on experiment table for hydraulic valve testing |
| 04/10/1990 | US4916641 Servovalve analyzer system |
| 03/28/1990 | CN2055195U Experiment console for teaching and studying hydrodynamics and pump characteristic |
| 02/27/1990 | US4903529 Valve system analyzer |
| 09/26/1989 | US4869558 Device for testing brake fluid pressure circuit in anti-lock control system |
| 04/05/1989 | EP0310113A2 Device for testing brake fluid pressure circuit in anti-lock control system |
| 01/03/1989 | US4794842 Valve means for connecting at least one consumer to a hydraulic pressure line |
| 11/03/1988 | WO1988008524A1 Automatic test equipment for hydraulic devices |
| 11/01/1988 | US4781061 Process for monitoring the gas volume in an hydropneumatic accumulator and apparatus for carrying out the process |
| 04/05/1988 | US4735380 Pressurized fluid feed system |
| 09/23/1987 | EP0238368A1 Pressurized-fluid feeding system |
| 07/29/1986 | CA1208455A1 General purpose hydraulic test station |
| 07/22/1986 | US4601169 Check device for a redundant flight control apparatus |
| 07/08/1986 | US4598579 Portable instrument to test pressure/flow of ventricular shunt valves |
| 02/25/1986 | US4571994 Acoustical testing of hydraulic actuators |
| 07/31/1985 | EP0150042A2 Power device for command and regulation apparatuses |
| 04/17/1985 | EP0137052A1 Checking device for duplicated flight controls |
| 11/06/1984 | US4480464 General purpose hydraulic test station |
| 10/31/1984 | EP0122976A1 General purpose hydraulic test station |
| 08/14/1984 | US4464931 Method and apparatus for checking the operating conditions of a flow and pressure control member |
| 11/08/1983 | CA1156491A1 Test stand for testing hydraulic devices |
| 08/23/1983 | US4399653 Automatic adjusting deceleration control for a hydrostatically powered device |
| 04/26/1983 | CA1145121A1 Method of assemblying a sealed structure |
| 01/18/1983 | US4368638 Test stand for testing hydraulic devices |
| 11/03/1982 | EP0063968A1 Installation and method for verifying the working conditions of a pressure and flow controlling device |
| 10/13/1981 | US4294109 Test apparatus for hydraulic valve |
| 05/26/1981 | US4268945 Method of assemblying a sealed structure |
| 01/14/1981 | EP0022394A1 Method and device for controlling the degassing of a hydraulic circuit |
| 12/10/1980 | EP0020256A1 A method of assembling and testing a sealed structure, particularly a fluid pressure servomotor |
| 01/01/1980 | US4181017 Fault detecting apparatus for fluid pressure systems |
| 01/01/1980 | US4181016 Process and apparatus for testing hydraulic control systems |