Patents
Sitemap › G01 - Measuring; Testing › G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure › G01L 1 - Measuring force or stress, in general
Patents for G01L 1 - Measuring force or stress, in general (22,371)
08/1981
08/18/1981US4284946 Failure monitor for crystal filters
08/18/1981US4284887 Polychromatic X-ray source for diffraction apparatus using _polychromatic X-rays
08/18/1981US4283942 Load measuring device
08/18/1981US4283941 Double shear beam strain gage load cell
08/18/1981CA1107310A1 Leverless scale sensor
08/11/1981US4282762 Load sensing transducer
08/11/1981US4282749 Strain measuring system
08/11/1981US4282748 Mechanical moment sensitivity compensation in shear beam transducers
08/05/1981EP0033097A2 Isolating and temperature compensating system for crystal resonators
08/04/1981US4282470 Close loop control apparatus and method for a force rebalance transducer
07/1981
07/29/1981EP0032503A1 Load monitoring system with means for generating timing signals
07/28/1981US4280363 System for measurement of force with directionally orientated strain gauges
07/21/1981US4280114 Discontinuous metal and cermet film resistors and strain gauges
07/21/1981US4279163 Stress measuring apparatus
07/15/1981EP0032101A2 Fatigue indicator
07/07/1981US4276772 Force transducer
07/07/1981CA1104372A1 Material testing device with solenoid-applied test force
06/1981
06/24/1981EP0030741A2 Vibrating beam force transducer
06/23/1981US4274501 Mass and force meter
06/23/1981US4274282 Sensor for reciprocating press
06/16/1981US4273205 Clamping device for oscillatory strings in a weight sensing cell for a weighing apparatus
06/09/1981CA1102928A1 Simultaneously resonated multi-mode crystal force transducer
06/03/1981EP0029776A1 Parallel beam scales with a parallelogram of unitary construction
06/03/1981EP0029772A1 Method of manufacturing a piezoresistive gauge
06/02/1981US4270384 Mass and force meter
06/02/1981CA1102382A1 Pressure operated electric switch and an alarm system using such switch
05/1981
05/28/1981WO1981001463A1 Automatic weighing method and device
05/26/1981US4270050 Apparatus for measuring pressure by absorption spectrum change
05/26/1981US4269070 Strain/deflection sensitive variable reluctance transducer assembly
05/26/1981US4269063 Downhole force measuring device
05/19/1981US4267725 Arrangement for registering loads
05/19/1981US4267724 Strain-gage transducer bridge gages with integral calibration resistors
05/05/1981US4266263 Force measuring capacitor
05/05/1981CA1100620A1 Digital output force sensor using surface acoustic waves
04/1981
04/21/1981US4262528 Apparatus for measuring the torque applied to a wrench
04/15/1981EP0026898A2 Polariscope
04/14/1981US4261429 Unitized weighing apparatus and method for making such an apparatus
04/14/1981US4261195 Transducer bridge circuit arrangement and method
04/08/1981EP0026682A1 Hydraulic dynamometer
04/08/1981EP0026446A2 Strain/deflection sensitive variable reluctance transducer assembly
04/07/1981US4259863 Multi-axis load cell
04/07/1981CA1099017A1 Real time data processing and display system for non- linear transducers
04/01/1981EP0025807A1 Device for measuring masses and forces
03/1981
03/31/1981US4258566 Load indicating apparatus having a hydraulic sensing unit and coupling pin type electronic sensing unit
03/31/1981US4258565 Force detector
03/24/1981US4257263 Torque wrench
03/18/1981EP0025077A1 A two-wire remote measuring system
03/17/1981US4257010 Method and apparatus for sensing and maintaining oscillations in an oscillating system
03/11/1981EP0024545A2 Pneumatic force transducer
03/10/1981US4254841 Load cell overload protection device
03/05/1981WO1981000618A1 Fiber optic strain sensor
03/03/1981US4253331 Force measuring device
03/03/1981CA1096935A1 Device and method using conductor for hydrogen cations
02/1981
02/18/1981EP0024035A1 Piezo-resistive probe
02/17/1981US4250894 Instrument for viscoelastic measurement
02/11/1981EP0023732A1 Capacitive gauge
02/11/1981EP0023488A1 Electronically indicating torque wrench
02/10/1981US4249423 Semi-nondestructive residual stress measurement
02/05/1981WO1981000298A1 Load monitoring system with means for generating timing signals
02/04/1981EP0023450A1 Surface elastic wave transducer using two matchable oscillators connected to a frequency mixer, comprising means to calibrate the output signal frequency, and method of calibrating this frequency
02/03/1981US4248317 Load cell apparatus
02/03/1981US4248095 Method of and system for measuring physical quantities of a rotating body at many points thereof
02/03/1981US4248094 Measurement of residual stresses by local melting
02/03/1981CA1095095A1 Load cell
01/1981
01/27/1981US4246783 Spring-force measuring device
01/20/1981CA1093857A1 Bearing load measuring apparatus
01/13/1981US4244434 Electronically indicating torque wrench
01/13/1981US4244213 Retorque measuring apparatus
01/07/1981EP0021879A1 Pressure sensitive device using a polymeric piezoelectric body and method of manufacture
01/07/1981EP0020341A1 Apparatus and method for indicating stress in an object
01/06/1981CA1092847A1 Radio-frequency tuned-circuit microdisplacement transducer
12/1980
12/30/1980US4241801 Apparatus to measure elongation due to bending under load
12/23/1980US4240444 Apparatus for sensing coughs
12/23/1980US4240289 Mass and force meter
12/23/1980US4240288 Force transducer
12/16/1980CA1091470A1 Method and apparatus for measuring mechanical forces on machine or support elements
12/09/1980US4237727 Mechanical moment sensitivity compensation in shear beam transducers
12/02/1980US4236408 Drilling rig load indicator
12/02/1980CA1090605A1 Mass and force meter
11/1980
11/26/1980EP0019511A1 Process for compensating temperature variations in surface-wave devices and pressure sensor for carrying out this process
11/25/1980US4235114 Material testing device
11/18/1980US4233837 Apparatus for measuring tension in a linear material
11/12/1980EP0018428A1 Apparatus for the contactless measuring of elastic stress in a ferromagnetic material
11/11/1980US4233523 Pressure sensitive device
10/1980
10/29/1980EP0018013A1 Strain gauge bridge circuit
10/29/1980EP0017982A1 Strain gauge and its manufacture
10/29/1980EP0017673A1 Device for determining the cross-section of fibre ribbons
10/28/1980US4231011 Discontinuous metal film resistor and strain gauges
10/28/1980CA1088664A1 Fabrication of semiconductor devices utilizing ion implantation
10/28/1980CA1088345A1 Load measurement device
10/21/1980US4229692 Linear low drift bridge amplifier
10/15/1980EP0017581A1 One-piece parallelogram-shaped load receiver, with capacitive transducer
10/07/1980US4226125 Digital pressure sensor system with temperature compensation
10/01/1980EP0016238A1 Device for measuring masses and forces
09/1980
09/30/1980US4225851 Self-calibrated subcarrier telemetry system
09/30/1980CA1086537A1 Cermet composition for and method of making strain gage transducers
09/17/1980EP0015337A1 Force transducer
09/16/1980US4223219 Method of and apparatus for producing texture topograms
09/16/1980US4222815 Isotropic etching of silicon strain gages
09/16/1980CA1085929A1 Physical quantities electric transducers temperature compensation circuit
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