Patents for G01L 1 - Measuring force or stress, in general (22,371)
07/1989
07/11/1989US4847586 Pressure detector
07/04/1989US4843891 System for measuring force distributions
06/1989
06/29/1989DE3742673A1 Microstress sensor
06/28/1989EP0322093A2 Rectilinearly deflectable element fabricated from a single wafer
06/28/1989EP0321791A2 Magnetic domain strain gage
06/28/1989CN2040248U Pressure measuring device for loom rocking arm
06/27/1989US4843346 Radio frequency strain monitor
06/27/1989US4843308 Electronic integrator circuitry for piezoelectric and other sensors
06/27/1989US4842403 Sensing strain and temperature
06/27/1989US4841778 Optical fiber sensor technique for strain measurement
06/27/1989US4841775 Vibratory transducer
06/22/1989DE3741700A1 Measuring system for motor vehicles
06/21/1989EP0321225A2 Pressure transducer with conductive polymer bridge
06/20/1989US4841272 Semiconductor diffusion strain gage
06/20/1989US4840481 Polarimetric optical frequency domain distributed strain sensor and method
06/20/1989US4840452 Light wave conductor-sensor for tension
06/20/1989CA1256181A1 Pressure-responsive device
06/20/1989CA1255922A1 Strain gauge
06/15/1989WO1989005450A1 Process and device for contactless measurement of mechanical stresses on rapidly moving objects with a crystalline structure
06/14/1989EP0320255A2 Polarimetric optical frequency domain distributed strain sensor and method
06/14/1989EP0319923A2 Apparatus and method for electronic analysis of test objects
06/14/1989CN2039416U Calibrating furnace for high and middle-temperature dynamometric sensor
06/13/1989US4839708 Electromechanical semiconductor transducer
06/13/1989US4839512 Tactile sensing method and apparatus having grids as a means to detect a physical parameter
06/13/1989US4838372 Load cell
06/08/1989DE3826481A1 Method and device for tensile force measurement on continuously moving material under test
06/08/1989DE3826225A1 Device for the measurement of force by means of a deformation body
06/07/1989EP0319176A2 Weighing apparatus with digital load cell and sealed enclosure
06/06/1989US4836036 Bending force receiver, in particular, for balances
06/06/1989US4836034 Force sensing apparatus
06/06/1989US4836033 Capacitive measuring assembly for determining forces and pressures
06/01/1989WO1989004953A1 A pressure responsive potentiometer
05/1989
05/31/1989EP0318152A2 Vibrating crystal type force sensing device
05/31/1989EP0317591A1 Process and device for manufacturing interlinings and similar.
05/31/1989EP0205509B1 Force measuring device
05/31/1989EP0157841B1 Measuring instrument based on x-ray diffraction for measuring stresses
05/30/1989US4835059 Thin film conductor which contains silicon and germanium as major components and method of manufacturing the same
05/30/1989US4833929 Force transducer
05/30/1989US4833926 Magnetostrictive stress measurement apparatus
05/24/1989EP0317429A1 Calibrating process for force or torque measuring apparatuses
05/24/1989EP0316644A1 Measuring device with sensor elements
05/24/1989EP0151575B1 Reactance measurement circuit with enhanced linearity
05/24/1989DE3738318A1 Dehnungsmessstreifen fuer hohe temperaturen Strain gauges for high temperatures
05/23/1989CA1254630A1 Tactile sensor
05/17/1989EP0316217A1 Layered force transducer in the form of a double tuning fork, its production and its use in a load cell
05/17/1989EP0315628A1 Process for contactless measurement of mechanical stresses.
05/17/1989EP0190270B1 Transducer for the electrical measurement of forces, torques, accelerations, pressures and mechanical stresses
05/16/1989US4831304 Sensors
05/16/1989US4830461 Elastic deformation of an optical waveguide having a core of synthetic rubber; heat resistance; impact strength
05/16/1989US4830399 Elastic connection between at least two rigid parts
05/10/1989EP0315497A1 Device for measuring the resulting aerodynamical force acting on a vehicle
05/10/1989EP0314813A1 Method and device for controlling the condition of lengthy objects
05/09/1989US4828400 Stress analyzer with automatic overload response
05/05/1989WO1989004006A1 Pressure or strain sensitive optical fiber
05/05/1989WO1989003981A1 Process and sensor for measuring mechanical stresses in elements composed of magnetizable materials
05/05/1989WO1989003975A1 Measuring device with sensors
05/03/1989EP0314541A1 Strain gauge of controlled creep and process for production thereof
05/03/1989EP0313570A1 Vibration type force sensor.
05/03/1989DE3736154A1 Load cell (force measuring transducer)
05/02/1989US4827240 Force measuring device
05/02/1989US4825967 Weight detecting apparatus
05/02/1989US4825709 Magnetoelastic force transducer
04/1989
04/27/1989DE3734023A1 Measuring mat for determining pressure distributions
04/26/1989EP0312605A1 Detector for force, acceleration and magnetism using resistor element
04/25/1989US4824107 For indicating velocity
04/25/1989US4823621 Magetoelastic force transducer
04/25/1989US4823608 Method of measuring residual stress in a carrier produced in manufacturing of a belt for continuously variable transmission
04/25/1989CA1253232A1 Active tactile sensor apparatus and method
04/25/1989CA1253211A1 Laser based sensor and telemetry system
04/20/1989WO1989002584A3 Weighing apparatus for vehicles
04/19/1989EP0311695A1 Force and moment detector using resistor
04/18/1989US4822176 Method and apparatus for simulation of the operational demands acting an expanded tube joints
04/18/1989US4821822 Method and apparatus for adjusting resistors in load-cell scale
04/18/1989US4821584 Piezoelectric film load cell robot collision detector
04/13/1989DE3839655A1 Push-button with a pressure sensor
04/12/1989EP0310606A1 Circuit for operating a magneto-elastic sensor
04/12/1989CN1032395A Shank type of tridimentional dynameter using piezoelectric quartz for lathe turning
04/11/1989US4821013 Pressure sensing device
04/11/1989US4821011 Amorphous metal strain gage protected by silicon oxide film; durable
04/11/1989US4820917 Stress and temperature mapping using an array of optical fibers and charge coupled devices
04/11/1989US4819994 Anti lock braking system for vehicle
04/06/1989WO1989003046A1 Fiberoptic sensor
04/06/1989WO1989002727A1 Improved pressure and contact sensor system for measuring dental occlusion
04/05/1989EP0310095A1 Strain-gage transducer
04/05/1989EP0309725A2 Piezoelectric force measuring procedure
04/05/1989EP0309567A1 Force sensing vibrating beam resonator
04/05/1989CN2035469U Two-way dynameter
04/04/1989US4818173 Robot arm member relative movement sensing apparatus
03/1989
03/29/1989EP0309289A2 Method for measuring internal contact pressure between mating solid parts separated by a liquid film
03/28/1989US4816745 Method and arrangement for measuring the resistance ratio in a resistance half-bridge
03/28/1989US4815855 Interferometric load sensor and strain gage
03/28/1989US4815548 Counterbalanced weighing apparatus
03/28/1989US4815547 Load cell
03/23/1989WO1989002587A1 Force detection apparatus using resistance element and its application
03/23/1989WO1989002586A1 Temperature measuring apparatus
03/23/1989WO1989002584A2 Weighing apparatus for vehicles
03/22/1989EP0307999A2 Force sensor
03/22/1989EP0307998A2 Force sensor
03/21/1989US4814661 Systems for measurement and analysis of forces exerted during human locomotion
03/21/1989US4814562 Electro-optic force and pressure transducer and sensor