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