Patents for G01L 1 - Measuring force or stress, in general (22,371) |
---|
12/04/1991 | EP0459948A2 Receiver-combination for force, elongation and sound conducted through solids |
12/04/1991 | EP0459947A2 Bar tension measuring system in for example injection moulding machines |
12/04/1991 | EP0459069A1 Intermediate layer force sensor with parallel connected disc sensor elements and integrated amplifiers |
12/03/1991 | CA1292777C Comb filter pressure temperature sensor |
11/28/1991 | DE4015666A1 Protecting expansion strips used to monitor force in recording arm - by coating with layer which stops condensed air from corroding the strips |
11/27/1991 | EP0458491A2 A non-reversing load detector for a reciprocating element |
11/27/1991 | CN1056491A New n-acylated arylpyrroles useful as insecticidal, acaricidal, nematicidal and molluscicidal agents |
11/26/1991 | US5068638 Electrical sensing element |
11/26/1991 | US5068635 Stress sensor having deformable ceramic hollow member |
11/26/1991 | US5067815 Optical sensor with intermodal interferometry |
11/21/1991 | EP0259494B1 Weight-detecting device |
11/20/1991 | CN1014829B Magnetoelastic torque transducer |
11/20/1991 | CN1014828B Optical carrier-phase shift method for testing direction of principal stress |
11/14/1991 | WO1991017415A1 Process and device for the manufacture of a pressure force sensor |
11/14/1991 | WO1991017414A2 Non-destructive structural evaluation |
11/14/1991 | DE4015294A1 Inductive force sensor esp. for aircraft undercarriage - has measurement tongue movable along axis of two sensor coils |
11/14/1991 | DE4014511A1 Pressure sensor mfg. method - compressing film arrangement contg. thick film resistor with plastic compression mass after preparation of sensor surface |
11/13/1991 | EP0456168A2 Device for the analogue-digital conversion of a measured quantity, generated by transducers disposed in a bridge circuit, in particular by gauges in a weighing cell |
11/13/1991 | EP0455627A1 Apparatus and method for determining stress and strain in pipes, pressure vessels, structural members and other deformable bodies |
11/13/1991 | CN2088686U High precision strain pressure sensor |
11/12/1991 | US5065331 Apparatus and method for determining the stress and strain in pipes, pressure vessels, structural members and other deformable bodies |
11/06/1991 | EP0454901A1 Force sensor |
10/31/1991 | WO1991013832A3 Method and apparatus for measuring strain |
10/31/1991 | WO1991012160A3 Controlling braking forces in tractor-trailer combinations |
10/30/1991 | EP0453703A2 Apparatus for measuring tire tread force and motion |
10/30/1991 | CN2087781U Full-weighing section track type weighing and force-measuring transducer |
10/29/1991 | US5061847 Force/pressure detection device utilizing a monomode optical fiber |
10/29/1991 | US5060965 Trailer coupling with force sensing means |
10/29/1991 | US5060527 Tactile sensing transducer |
10/29/1991 | US5060526 Laminated semiconductor sensor with vibrating element |
10/29/1991 | US5060525 Resilient connecting device, in particular with incorporated force-measuring device and process for manufacturing it |
10/23/1991 | CN1014451B Method and apparatus for simulation of the operational demands on a connection between components |
10/22/1991 | US5058435 Single diaphragm transducer with multiple sensing elements |
10/16/1991 | EP0451992A2 Detection of vibrations of a microbeam through a shell |
10/16/1991 | EP0451636A1 Foil strain gauge and transducer for using it |
10/16/1991 | CN2086900U Sensor for double-range dynamometer |
10/16/1991 | CN2086899U Miniature digital dynamometer |
10/15/1991 | CA1290592C Strain-gauge sensor for measuring forces |
10/15/1991 | CA1290589C Sensing strain and temperature |
10/10/1991 | DE4109427A1 Force measurement plate e.g. in or between machine parts - has annular body and force input element connected by annular membranes to form hydraulic medium chamber |
10/08/1991 | US5055838 Silicon tactile imaging array and method of making same |
10/08/1991 | US5054323 Pressure distribution characterization system |
10/01/1991 | US5053692 Temperature dependent power supply for use with a bridge transducer |
10/01/1991 | US5052505 Load cell |
10/01/1991 | US5052232 Magnetoelastic torque transducer |
09/26/1991 | DE4009286A1 Strain gauge for measuring torsion of rod-shaped body - has gauge mounted on flat membrane attached to edge of deformation section which gives torsional strain as measure of resistance |
09/26/1991 | DE4009019A1 Circular plate spring for force measurement cell - has integral and external mounted on strain gauges strain free circle and elasticity reduction recess near centre |
09/24/1991 | CA1289576C Weight detecting apparatus with electrodes detecting changes in electrostatic capacity |
09/19/1991 | WO1991011695A3 Measurement of deformation |
09/19/1991 | WO1991010347A3 Method for mounting a machine part comprising a sensitive element which defines, with a support, a variable capacitor |
09/18/1991 | EP0447279A2 Devices for measuring charges |
09/18/1991 | CN2085060U Manually hydraulic rock ergograph |
09/18/1991 | CN1013997B Micro-electric measuring type non-destructive measuring method of residual stress |
09/18/1991 | CN1013980B Directional earth-filling method and apparatus for the deep-hole installation of a sensor |
09/17/1991 | US5049232 Lamination, alignment, cutting |
09/17/1991 | US5048346 Method of estimating the thermal stress of a heat-resistant member by testing a model of the member made of a different material |
09/17/1991 | US5048344 Borehole strain monitor for soft rock |
09/17/1991 | US5048343 Temperature-compensated strain-gauge amplifier |
09/12/1991 | DE4007610A1 Measuring or monitoring appts for parts subjected to force - applies expansion measuring strips primed by voltage and with associated signal processing and evaluating circuit |
09/11/1991 | CN1054485A Electrostatically driven dual vibrating beam force transducer |
09/10/1991 | US5047717 Method and apparatus for measuring internal mechanical stress of a ferromagnetic body by determining the third harmonic of the induction |
09/05/1991 | WO1991013329A1 Pressure sensor |
09/05/1991 | WO1991013327A1 Displacement detector, especially displacement to frequency transducer for measuring pressure |
09/05/1991 | WO1991012953A1 Method and apparatus for structural actuation and sensing in a desired direction |
09/05/1991 | CA2011467A1 Method of investigating the gait of a living being |
09/04/1991 | WO1991013832A2 Method and apparatus for measuring strain |
09/04/1991 | CN2084194U Micro-pressure amplifer for diffusion' silicon force sensitive sensor |
09/04/1991 | CA2077085A1 Method and apparatus for measuring strain |
09/03/1991 | US5045827 Low-force transducer |
09/03/1991 | US5044205 Method for monitoring deformations with light waveguides |
08/28/1991 | EP0443714A2 A method and apparatus for processing electrical signals and a stress wave sensor |
08/28/1991 | EP0443334A1 Arrangement for securing a ribbon-like measuring body |
08/28/1991 | CN1013711B Piezomagnetic tester for directly indicating absolute stress of concrete |
08/27/1991 | WO1991013328A1 Vibrating beam transducer drive system |
08/27/1991 | US5042307 Amplifying compensation circuit for semiconductor |
08/27/1991 | CA2053878A1 Vibrating beam transducer drive system |
08/27/1991 | CA1288172C Method for fabricating a silicon force transducer |
08/22/1991 | WO1991012545A1 Method for producing an index lattice in an optical fibre, and a quasi-distributed sensor array formed therein |
08/22/1991 | WO1991012160A2 Controlling braking forces in tractor-trailer combinations |
08/22/1991 | DE4017981A1 Arrangement for holding mechanism force sensor - has mandrels with recesses accepting blocking pins and band loops |
08/21/1991 | EP0442536A2 Atomic force sensor head for measuring the properties of a data store |
08/21/1991 | EP0442329A1 Sliding contact mechanical/electrical displacement transducer |
08/21/1991 | EP0442280A2 Method and apparatus for semiconductor chip transducer |
08/21/1991 | EP0442015A1 Variable resistor utilizing extension type conductive rubber |
08/21/1991 | EP0441898A1 Optical sensing apparatus and method. |
08/14/1991 | EP0441693A1 Method for making an index grating in an optical fibre, and quasi-distributed sensor network realized in this fibre |
08/14/1991 | EP0441549A1 Matched pair of sensor and amplifier circuits |
08/14/1991 | EP0441324A1 Semiconductor sensor |
08/14/1991 | EP0441145A2 Ultrasonic load indicating member |
08/14/1991 | EP0441050A2 Method for sensing temperature, pressure and liquid level, and variable ratio fiber optic coupler sensors therefor |
08/13/1991 | CA2035654A1 Sliding contact mechanical/electrical displacement transducer |
08/08/1991 | WO1991011695A2 Measurement of deformation |
08/08/1991 | WO1991011351A1 A capacitive force transducer |
08/08/1991 | DE4003552A1 Contact force measurement of connector contact spring arms - using piezoelectric film between two hard metal elements for rapid, direct measurement |
08/08/1991 | DE4003048A1 Diaphragm force or pressure transducer |
08/08/1991 | DE4002910A1 Silicone oil- or gel-filled force measurement device - allows attitude change between rigid piston and housing for uniform pressure loading of strain-gauge diaphragm |
08/07/1991 | EP0440268A2 Atomic force sensor head with interferometric measurement of the properties of a data store |
08/07/1991 | EP0440012A1 Force measuring device |
08/07/1991 | EP0440011A2 Force and/or measuring device |
08/06/1991 | US5036715 Cantilevered force sensing assembly utilizing one or two resonating force sensing devices |