| Patents for G01L 25 - Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency (1,922) |
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| 07/21/1998 | US5783821 Pulse oximeter testing |
| 07/02/1998 | DE19721725C1 Two hydraulic cylinder arrangements for producing accurate force for calibrating force measuring apparatus |
| 04/28/1998 | US5744718 Sensor using a resistance element |
| 03/24/1998 | CA2021633C Torque calibrator |
| 03/19/1998 | WO1998011413A1 Torque sensing calibration unit |
| 03/19/1998 | DE19637540A1 Torque wrench test arrangement |
| 03/12/1998 | WO1998010260A1 Variable torque rate simulated test joint |
| 01/20/1998 | US5710716 Vehicle load measuring systems |
| 12/30/1997 | US5703277 Torque tool tester machine |
| 12/03/1997 | EP0596949B1 Dynamometer |
| 11/27/1997 | WO1997044646A1 Load simulator for testing the load-limiting means of lifting devices |
| 10/30/1997 | DE19616312A1 Calibration device for force measuring instrument or sensor |
| 10/21/1997 | US5679882 Method and apparatus for making load measuring pick-ups less sensitive to off-center load application |
| 09/03/1997 | EP0793085A2 Dynamometer with coupling means to a power tool |
| 08/19/1997 | US5659141 Apparatus for measuring minute forces |
| 07/24/1997 | DE19601078A1 Force sensor esp. pressure sensor |
| 06/11/1997 | CN2256096Y Precisive pressure and vacuum tester |
| 06/03/1997 | US5636137 Optical torque sensor incorporating sensor failure diagnostics |
| 05/22/1997 | DE19542255A1 Torque sensor with rigid head and base connected by interposed torsion body |
| 04/22/1997 | US5623128 Load cell with modular calibration components |
| 01/29/1997 | EP0756165A2 Method and device for calibrating of torque in measuring installation |
| 01/22/1997 | EP0537347B1 Acceleration sensor having a self test feature |
| 01/15/1997 | CN2245216Y Computer controlled pressure gage detector for car |
| 10/16/1996 | CN2237846Y Torque calibrator |
| 07/10/1996 | EP0721099A2 Sensor circuit and method for compensation |
| 07/09/1996 | US5533380 Automatic force balance calibration system |
| 07/03/1996 | CN1125845A Method of making dynamic calibration for force sensor |
| 07/02/1996 | US5531092 Device for moving a suspended weight body |
| 06/27/1996 | DE19548390A1 Vorrichtung zum Messen von Fahrzeugbelastungen A device for measuring vehicle loads |
| 06/13/1996 | DE4443050A1 Calibration of force measuring appts. |
| 04/23/1996 | US5509315 Absorption dynamometer torque measuring device and calibration method |
| 04/16/1996 | US5507191 Dynamometer |
| 03/12/1996 | US5497668 Method of testing the operation of an apparatus for detecting acceleration |
| 02/21/1996 | CN2220638Y Device for making dynamic demarcation for force transducer |
| 02/20/1996 | US5492020 Detector for a physical quantity having a self-testing function |
| 01/16/1996 | US5483820 Method for zero correction in torque sensor |
| 12/27/1995 | EP0596949A4 Dynamometer. |
| 12/19/1995 | US5477471 Computer implemented method |
| 12/07/1995 | DE4419698A1 Torque wrench torque checking device |
| 11/15/1995 | EP0682235A1 Method and apparatus for calibrating a gauge of a sensor measuring device |
| 11/15/1995 | CN1111750A Load cell with modular calibration components |
| 10/24/1995 | US5461584 Semiconductor sensor device |
| 09/06/1995 | EP0670479A1 Load cell with modular calibration components |
| 09/05/1995 | US5447051 Method and apparatus for testing a piezoelectric force sensor |
| 08/08/1995 | US5440237 Electronic force sensing with sensor normalization |
| 08/03/1995 | DE4342417A1 Apparatus for calibrating force or torque sensor |
| 07/20/1995 | DE19500517A1 Yarn tension monitor calibration |
| 06/28/1995 | CN1029157C Calibrating instrument for friction torque testing instrument of metric instrument |
| 06/27/1995 | US5426986 Absorption dynamometer torque measuring device and calibration method |
| 05/11/1995 | WO1995012807A1 Nonthreaded load sensing probe |
| 05/11/1995 | CA2151248A1 Nonthreaded load sensing probe |
| 05/10/1995 | EP0461265B1 Acceleration sensors |
| 04/05/1995 | EP0646780A2 Stack of weights for force verifying measuring machines with direct mass application |
| 04/04/1995 | US5402689 For sensing forces applied to a structure |
| 03/21/1995 | US5398545 Dynamic-setting process and device, for checking the dynamic behavior of tires |
| 02/16/1995 | WO1994028387A3 Electronic force sensing with sensor normalization |
| 02/15/1995 | EP0638791A2 Optical torque sensor incorporating sensor failure diagnostics |
| 01/18/1995 | EP0634638A2 Adjustment device for a roller test bench |
| 12/08/1994 | WO1994028387A2 Electronic force sensing with sensor normalization |
| 11/30/1994 | CN2184202Y Loading installation for electric balance reliaility test |
| 11/03/1994 | DE4333487C1 Stack of weights for force-checking measuring machines using the direct action of weights |
| 10/18/1994 | US5355715 Strain transducer calibration device |
| 10/12/1994 | CN2179579Y Driving belt tightening gauge and its calibrator |
| 10/11/1994 | US5353654 Testing facility for wrenches |
| 09/14/1994 | CN2177235Y Calibrating instrument of automatic metre |
| 09/13/1994 | US5345807 Self-calibrating variable pressure touch key system employing transducers subject to parameter drift |
| 08/16/1994 | US5337608 Drive roller torque reference cartridge |
| 07/27/1994 | CN2172866Y Intelligent testing and calibrating apparatus for general instruments |
| 06/15/1994 | CN2169131Y Checking apparatus for steel wire strength gauge |
| 05/18/1994 | EP0596949A1 Dynamometer |
| 05/04/1994 | CN2164038Y Checking device of brake force test desk |
| 05/03/1994 | US5309377 Calibration apparatus and method for improving the accuracy of tire uniformity measurements and tire testing method using same |
| 04/26/1994 | US5305644 Force sensor |
| 03/22/1994 | US5295386 Apparatus for detecting acceleration and method for testing this apparatus |
| 03/16/1994 | EP0586859A2 Hydraulic cylinder for a force measuring machine |
| 03/09/1994 | EP0585484A1 Load-constituting machine with hydraulic force transmission |
| 01/12/1994 | EP0578252A2 Semiconductor sensor device |
| 12/23/1993 | DE4220083A1 Reference force or pressure generator for calibration of meters - has pressure transmitting opening above liquid which surrounds heater-cooler, which acts as setting element of control loop, to enable use of dependency of vapour pressure of liquid on temp.. |
| 11/25/1993 | DE4216973A1 Appts. for calibrating torque measurement shaft - contains lever arm and connecting rod mechanisms to both sides of torque measuring shaft connections and nut for adjusting linkages to one side and force meter to other. |
| 11/16/1993 | US5261266 Sensor tip for a robotic gripper and method of manufacture |
| 09/29/1993 | EP0562473A2 A dynamic-setting process and device, for apparatus designed to check the dynamic behaviour of tyres |
| 09/07/1993 | US5243545 Data linearization system |
| 08/24/1993 | CA1321480C Method for calibrating appliances for the measurement of force or moment and appliances relating to said method |
| 07/21/1993 | CN2138793Y Corrector for hydraulic torque spanners |
| 07/20/1993 | US5229044 Method of checking a pickup load cell in a rotary tableting machine |
| 06/09/1993 | EP0545061A1 Method for correcting automatically the zero-point of brake indicator of a braking bench for vehicle |
| 05/18/1993 | CA1317787C Stress gauge |
| 05/12/1993 | EP0541354A2 Calibration apparatus and method for a tire testing machine |
| 05/05/1993 | CN2132175Y Pressure-stabilizing oil-saving piston pressure-gauge |
| 04/21/1993 | EP0537347A1 Acceleration sensor having a self test feature |
| 04/07/1993 | EP0535907A2 Self-calibrating variable pressure touch key system employing transducers subject to parameter drift |
| 03/24/1993 | CN1070265A Calibrater of friction moment tester of mechanical counter |
| 03/16/1993 | US5194205 Forming a conductive material into dimensionally stable body and molding |
| 02/18/1993 | WO1993003342A1 Dynamometer |
| 01/26/1993 | US5181425 Apparatus and method for testing torque wrenches |
| 12/22/1992 | US5172737 Method and apparatus for calibrating a tension tool |
| 12/17/1992 | DE4119433A1 Calibrating torque computers for DC machines - using three calibration stages in which various torques are measured and all error moments between internal torque and torque sensor are detected |
| 12/10/1992 | WO1992021951A1 Torquemeter calibrating method and device, and compact torquemeter suited to said device |
| 12/09/1992 | EP0517592A1 Procedure and device for calibrating torquemeters and compact torquemeter adapted therefore |
| 11/11/1992 | CN2121687U Portable testing device for super-high pressure |