| 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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| 10/21/1992 | EP0509133A2 Calibrating machine for force transducers |
| 10/15/1992 | WO1992017759A1 Method of testing performance of device for measuring physical quantity by using change of distance between electrodes and physical quantity measuring device provided with function of executing this method |
| 09/03/1992 | DE4129904C1 Loading machine producing calibrating forces for force pick=up - accepts weights on joined stacks coupled to tensile stress rod of liftable load transferring frame accepting transducer |
| 07/21/1992 | US5131259 Calibration fixture and method of calibrating contact sensors |
| 07/16/1992 | DE4100501A1 Detecting and identifying faults at sensors for state values - using association matrix giving optimal relationship between characteristic vectors and associated classification vectors |
| 06/04/1992 | DE4135766C1 Mobile calibrating assembly for vehicle braking test stand - consists of identically working vehicle with at least one wheel having measuring brake coupled to indicator for effective wheel braking force |
| 03/31/1992 | US5101162 Method and apparatus for testing the response of a stress wave sensor |
| 03/31/1992 | US5099678 Torque tool calibrating machine |
| 03/03/1992 | US5092154 Calibration apparatus and method |
| 02/27/1992 | DE4023725A1 Measured value signalisation system - with interruption or short-circuit of measuring lines at measuring device |
| 01/29/1992 | EP0417192B1 Stress gauge |
| 01/14/1992 | US5079942 Method and apparatus for calibrating rolling mill on-line load measuring equipment |
| 12/18/1991 | EP0461265A1 Acceleration sensors |
| 10/29/1991 | CA1291495C Energy absorbing means with self calibrating monitor |
| 08/21/1991 | EP0442207A1 A method and apparatus for testing the response of a stress wave sensor |
| 07/31/1991 | EP0438861A2 Sensor tip for a robotic gripper and method of manufacture |
| 07/11/1991 | WO1991010118A1 Apparatus for detecting physical quantity that acts as external force and method of testing and producing this apparatus |
| 06/04/1991 | US5020357 Calibration stand for sensor |
| 05/28/1991 | US5018392 Method and system for zero-resetting of a torque-measuring device, especially on a cycle or like vehicle |
| 05/21/1991 | US5017911 Method and apparatus for measuring the tension of an advancing yarn |
| 05/02/1991 | EP0425337A1 Device permitting rapid calibration of strain gauge sensors and method for using this device |
| 04/30/1991 | US5010773 Sensor tip for a robotic gripper and method of manufacture |
| 04/17/1991 | EP0422890A2 Force measuring device with zero adjustment |
| 04/02/1991 | US5004985 Method and apparatus for testing the response of a stress wave sensor |
| 02/19/1991 | US4993270 Process and device for measuring the pressing force between the rolls of a roll stand |
| 01/09/1991 | EP0406735A2 Method and apparatus for measuring the tension of an advancing yarn |
| 12/27/1990 | EP0403677A1 Measuring device using standard forces and hydraulic force transmission |
| 12/25/1990 | US4979397 In-line rotating torque sensor with on-board amplifier |
| 12/18/1990 | US4977775 Torque transducer |
| 12/11/1990 | US4976133 Instrument for adjusting and calibrating torque wrenches |
| 12/04/1990 | US4974442 Method and apparatus for calibrating rolling mill on-line load measuring equipment |
| 10/26/1990 | CA2013585A1 Method and apparatus for calibrating rolling mill on-line load measuring equipment |
| 10/24/1990 | EP0393828A2 A method and apparatus for testing the response of a stress wave sensor |
| 10/10/1990 | EP0391756A1 Procedure and system for zeroing a torque measuring device, in particular on a bicycle or similar vehicle |
| 09/29/1990 | CA2013411A1 Method and system for zero-resetting of a torque-measuring device, especially on a cycle of like vehicle |
| 09/25/1990 | US4958526 Force measuring device with zero adjustment |
| 09/20/1990 | WO1990010855A1 Force sensor |
| 07/25/1990 | CN2059739U Detector for mechanical torque spanner |
| 06/13/1990 | EP0372247A2 Torque wrench and device for its adjustment and calibration |
| 06/13/1990 | DE3917142C1 Hydraulic force normal machine - has matching tap on end face of working piston exposed to pressure for fine balancing |
| 04/25/1990 | EP0364645A1 Dynamometer using electromagnetic calibration |
| 04/04/1990 | CN1007458B Dynamic performance testing system for tension, pressure and weighting transducers |
| 02/22/1990 | DE3909914C1 Calibration machine for force pick-ups |
| 02/21/1990 | CN2053335U Standard pressure gauge for micropressure |
| 02/13/1990 | US4899596 Self-calibrating torque measuring system |
| 12/14/1989 | WO1989012219A1 Stress gauge |
| 11/08/1989 | EP0340316A1 Calibrating device for an internal wind tunnel balance |
| 11/08/1989 | CN2047372U Torque and rotating speed measurement device |
| 09/26/1989 | US4869113 Method for calibrating appliances for the measurement of force or moment and appliances relating to said method |
| 09/13/1989 | EP0332545A1 Installation for controlling and calibrating dynamometric keys |
| 08/29/1989 | US4860587 Stress gauge |
| 08/01/1989 | USH657 Torque calibrator |
| 08/01/1989 | US4852386 Disposable torque screwdriver tester |
| 07/18/1989 | US4848478 Method and apparatus for calibrating and/or checking of load cells |
| 05/24/1989 | EP0317429A1 Calibrating process for force or torque measuring apparatuses |
| 02/15/1989 | CN2032713U Detector for standard load of weft-knitted fabric transverse drawing device |
| 02/08/1989 | EP0302385A2 Device and process for calibrating force distribution sensors |
| 01/17/1989 | US4798094 For delivering a force to a load |
| 12/13/1988 | US4790175 Method and apparatus for calibrating a transducer having real and reactive impedance |
| 11/02/1988 | CN88101871A Process and device for measuring pressing force between rolls of roll stand |
| 09/21/1988 | EP0283415A1 Method and device for measuring the load between rolling mill rolls |
| 09/07/1988 | EP0280863A2 Testing device for automatic screwing stations tightening by torque |
| 08/09/1988 | US4761989 Method of calibrating a torque testing device and a magnetic calibration device therefor |
| 07/26/1988 | US4759225 Torque tool and torque tool analyzer |
| 06/09/1988 | DE3715404A1 Method and device for calibrating and/or testing load cells (force transducers) |
| 05/25/1988 | CN87210849U Segmented direct constant temperature system of gravimeter |
| 05/18/1988 | CN86108566A Method of correcting measured values |
| 02/02/1988 | US4722407 Calibrating device for load cells |
| 01/27/1988 | CN87208350U Torque spanner calibrator |
| 12/29/1987 | US4715211 Single pulse peak circuit for torque verification |
| 11/26/1987 | DE3617072A1 Method of detecting loss of power in an ergometer driving and braking system |
| 10/31/1987 | CN86211057U Electrical controlled standard piston type pressure gauge |
| 08/12/1987 | EP0231806A2 Depositing and testing apparatus for screw-tightening devices |
| 06/03/1987 | CN85108333A Dynamic performance testing system for tension, pressure and weighting transducers |
| 04/28/1987 | US4660481 Sewing machine having presser foot pressure force measuring device |
| 03/19/1987 | DE3532353A1 Screw-force simulator |
| 03/17/1987 | US4649757 Device for calibrating a machine tool |
| 02/04/1987 | EP0210892A1 Versatile device for calibrating and verifying the tightening torque of a screw-nut-type connecting member |
| 01/07/1987 | CN85104740A Hydraulic dynamic testing system used for pressure sensor |
| 12/09/1986 | US4627296 Shunt calibration system for a transducer mounted on a rotating member |
| 11/04/1986 | US4620436 Method and apparatus for calibrating transformation matrix of force sensor |
| 04/22/1986 | US4583411 Dynamic torque monitoring device |
| 04/16/1986 | EP0177919A2 Method for calibrating transformation matrix of a force sensor |
| 03/19/1986 | CN85201447U Static demarcating device of tridimenisional force-measuring apparatus |
| 01/28/1986 | US4567377 Mechanical switching means for providing shunt calibration in a rotary transformer system |
| 01/07/1986 | US4562722 Impact wrench torque calibrator |
| 12/31/1985 | US4561285 Thermally isolated calibration apparatus |
| 10/01/1985 | US4543814 Device for calibrating torque transducers |
| 05/21/1985 | US4517821 Automatic torque wrench tester |
| 11/20/1984 | US4483177 Transducer calibration verification fixture for multiple spindle torque units |
| 09/11/1984 | US4470312 For variable joints |
| 03/27/1984 | US4438921 Calibration of load indicator for ergometric exerciser |
| 01/24/1984 | US4426874 Strain gage calibration |
| 11/15/1983 | US4414838 Wind tunnel balance calibrator |
| 11/15/1983 | US4414837 Apparatus and methods for the shunt calibration of semiconductor strain gage bridges |
| 09/20/1983 | US4404839 Testing device for force measuring apparatus |
| 05/10/1983 | CA1145967A1 Strain gauge and electric circuit for adjustment and calibration of same |
| 04/06/1983 | EP0075847A2 Hydraulic device for generating a normalised force |
| 03/15/1983 | US4376386 Torque wrench testing devices and the like |
| 12/21/1982 | CA1137780A1 Wind tunnel balance calibrator |