| Patents for G01L 1 - Measuring force or stress, in general (22,371) |
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| 08/06/1991 | US5036714 Coupling device for controlling axial thrust forces |
| 08/06/1991 | CA2034291A1 Ultrasonic load indicating member |
| 08/03/1991 | CA2035133A1 Force or pressure measuring device |
| 08/02/1991 | CA2035132A1 Force measuring device and method of manufacturing it |
| 08/01/1991 | DE4006716C1 Control appts. using two-arm interferometer - has two flexible plates in parallel at set distance but independently bendable |
| 07/31/1991 | EP0438861A2 Sensor tip for a robotic gripper and method of manufacture |
| 07/31/1991 | EP0438757A2 Distributed multiplexed optical fiber bragg grating sensor arrangement |
| 07/31/1991 | EP0438660A2 Force measuring device for laterally displaced loads |
| 07/31/1991 | EP0438558A1 Perimeter mounted polymeric piezoelectric transducer pad |
| 07/31/1991 | CN1013408B Method for nondestructive inspection of residual stress |
| 07/31/1991 | CN1013407B Vibrating type transducer and manufacturing process thereof |
| 07/30/1991 | US5036306 Pressure responsive potentiometer |
| 07/30/1991 | US5036179 Visible light and infra-red cooking apparatus |
| 07/30/1991 | US5035148 Force detector using resistance elements |
| 07/30/1991 | CA1287068C Force measuring device |
| 07/24/1991 | EP0325619B1 Dynamometer with parallel guidance |
| 07/24/1991 | EP0309567A4 Force sensing vibrating beam resonator |
| 07/24/1991 | CN1053293A Under well pressure parameter collecting unit |
| 07/23/1991 | US5033685 Apparatus for monitoring the pressing force of a contact roll in a textile yarn winder |
| 07/23/1991 | US5033317 Apparatus for ascertaining the magnitude of stresses upon the bearings for rolls in calenders and like machines |
| 07/23/1991 | US5033291 Flexible tactile sensor for measuring foot pressure distributions and for gaskets |
| 07/17/1991 | EP0437284A2 Force measuring device |
| 07/16/1991 | US5031463 Load cell output correction circuitry |
| 07/16/1991 | US5031461 Matched pair of sensor and amplifier circuits |
| 07/11/1991 | WO1991010347A2 Method for mounting a machine part comprising a sensitive element which defines, with a support, a variable capacitor |
| 07/11/1991 | WO1991010118A1 Apparatus for detecting physical quantity that acts as external force and method of testing and producing this apparatus |
| 07/09/1991 | US5029483 Measuring platform |
| 07/09/1991 | US5029480 Ultrasonic load indicating member |
| 07/02/1991 | US5028807 Load cell with base plate |
| 07/02/1991 | US5028130 Method of stress-optical force measurement and measurement device for performing the method |
| 07/02/1991 | US5027651 Non-reversing load detector for a reciprocating element |
| 06/27/1991 | WO1991009289A1 Flexible, tactile sensor for measuring foot pressure distributions and for gaskets |
| 06/27/1991 | WO1991009288A1 Sensor for measuring force and/or travel and process for its manufacture |
| 06/26/1991 | EP0434089A1 Method and device for detection of and protection against the effect of static magnetic fields on magnetoelastic force transducer |
| 06/26/1991 | EP0433930A1 Magnetoelastic force transducer |
| 06/25/1991 | US5027015 Non-linear conversion of input from a sensor to an output with two different slopes |
| 06/25/1991 | US5026984 Methods for sensing temperature, pressure and liquid level and variable ratio fiber optic coupler sensors therefor |
| 06/25/1991 | US5026154 Multipulsed dynamic moire interferometer |
| 06/25/1991 | US5026141 Structural monitoring system using fiber optics |
| 06/25/1991 | US5025698 Apparatus for measuring lip pressure on reed of woodwind instruments |
| 06/20/1991 | CA2032402A1 Magnetoelastic force transducer |
| 06/19/1991 | EP0432511A1 Optoelectronic device |
| 06/18/1991 | US5024107 Pressure or force sensor having an axially symmetrical pressure or force-receiving circular plate spring |
| 06/18/1991 | US5024106 Contact system normal force gage |
| 06/18/1991 | US5024097 Pressure sensor comprising a silicon body |
| 06/13/1991 | DE3940696A1 Sensor zum messen einer kraft und/oder eines weges Sensor for measuring a force and / or path |
| 06/13/1991 | DE3940312A1 Measurement of internal stress of machined laminated core - removing core whenever material boundary reached and adding measurement values |
| 06/12/1991 | WO1991009286A1 A mass-produced flat one-piece load cell and scales incorporating it |
| 06/12/1991 | EP0432122A2 Hub bearing unit for vehicles |
| 06/12/1991 | CN2078874U Light manometer |
| 06/11/1991 | US5023446 Apparatus for measuring distances with a measuring element operating on an optical basis |
| 06/11/1991 | US5022275 Strain measuring device employing magnetostriction and having a magnetic shielding layer |
| 06/08/1991 | WO1991009276A1 Arrangement for processing sensor signals |
| 06/06/1991 | DE3939573A1 Sensor for measuring forces and derivable physical parameters - has light source connected to clamped end of elastically deflectable light conducting body, with position detector at other end |
| 06/05/1991 | EP0430652A2 Damped cradle for SAW device |
| 06/05/1991 | EP0430445A2 Piezoelectric pressure sensor |
| 06/04/1991 | US5021647 Optical fiber sensor having function of compensating for all drifting components |
| 06/04/1991 | US5020379 Microbend fiber optic strain gauge |
| 06/04/1991 | US5020378 Device for non-contact measuring of stresses in a bar-shaped body |
| 06/04/1991 | US5020370 Vibrating beam force-frequency transducer and pendulous accelerator comprising application thereof |
| 06/04/1991 | US5020368 Method and system measuring a vertical density profile of a fluid |
| 05/30/1991 | WO1991007713A1 Transducer power supply |
| 05/29/1991 | EP0429399A2 Stress measurement in metal-structures |
| 05/29/1991 | EP0428890A2 Trailer coupling with load cell |
| 05/29/1991 | DE4021455A1 Optoelectronic device for measuring deflection magnitude and direction - sends light with variable intensity to sensor with several receiver surfaces, microprocessor deriving deflection signal |
| 05/29/1991 | CA2027367A1 Damped cradle for saw device |
| 05/23/1991 | DE3937318C1 Force measuring unit with two concentric deformation rings - having electromechanical strain gauges on surface providing electrical values |
| 05/22/1991 | EP0428263A1 Vibrating sensor |
| 05/22/1991 | EP0406335A4 Matched pairs of force transducers |
| 05/21/1991 | US5016957 Photoelastic optical switch and optical systems employing the optical switch and a method of use thereof |
| 05/21/1991 | US5016481 Field-based movement sensor |
| 05/21/1991 | US5016480 Stress wave load cell |
| 05/21/1991 | US5016478 Method for measuring the torque transmitted to the driving wheel of a cycle or like vehicle and a device for carrying out said method |
| 05/21/1991 | US5016470 Apparatus for testing motor vehicle tires |
| 05/16/1991 | DE3937205A1 Physical parameter e.g. pressure measuring device - with temp. measuring device at active region |
| 05/14/1991 | US5014558 Polyurethane foam model and method of measuring stress distribution by using such model |
| 05/14/1991 | US5014415 Manufacturing method of a detector using resistance elements |
| 05/08/1991 | EP0426509A1 Measuring instrument for the immediate load for a motor vehicle |
| 05/08/1991 | EP0426442A2 Load cell |
| 05/08/1991 | EP0426171A2 Semiconductor pressing force sensor |
| 05/07/1991 | US5014224 Tactile sensor |
| 05/07/1991 | US5012679 Optical sensor |
| 05/07/1991 | CA1283970C Vibrating beam force transducer with single isolator spring |
| 05/02/1991 | EP0425337A1 Device permitting rapid calibration of strain gauge sensors and method for using this device |
| 05/02/1991 | EP0424754A1 Sensor for physical parameters |
| 05/02/1991 | EP0424735A1 Transmitter for measuring mechanical forces |
| 05/01/1991 | CN2076234U Intelligent quick tester for pressure spring force value |
| 04/30/1991 | US5012189 Method for deriving information regarding stress from a stressed ferromagnetic material |
| 04/30/1991 | US5011280 Method of measuring displacement between points on a test object |
| 04/30/1991 | US5010774 Distribution type tactile sensor |
| 04/30/1991 | US5010773 Sensor tip for a robotic gripper and method of manufacture |
| 04/26/1991 | CA2028479A1 Trailer coupling |
| 04/24/1991 | EP0423273A1 Process and arrangement for piezoelectric measurement. |
| 04/23/1991 | US5010299 Method for measuring stress on steel by determining the reverse magnetic permeability under a magnetic bias field |
| 04/23/1991 | US5009107 Optical pressure sensor and a method and apparatus for making such a sensor |
| 04/18/1991 | DE4031941C1 Pressure, bending or sliding applicator for optical fibre - has two shanks joined at one side and movable towards each other against spring force |
| 04/18/1991 | DE3933827A1 Recording effective tissue pressure |
| 04/17/1991 | EP0422890A2 Force measuring device with zero adjustment |
| 04/17/1991 | EP0422702A2 Magnetoelastic torque transducer |
| 04/16/1991 | US5007295 Magnetoelastic force transducer |