Patents for G01L 1 - Measuring force or stress, in general (22,371)
05/2001
05/31/2001WO2001038827A2 Fiber bragg grating sensor
05/31/2001US20010001930 Method for manufacturing a pressure sensitive sensor
05/31/2001US20010001929 Method for measuring by ultra-sound the residual tension of a pre-stressed bar
05/31/2001DE19957556A1 Semiconductor pressure sensor and measuring device for measuring differential pressure on sensor
05/31/2001DE19949747A1 Force measuring device for test device, has two parallel disks which are rotatably supported and fitted in housing by force transmission shaft extending through concentric disk openings
05/30/2001EP1103802A1 Procedure for measuring the residual tension of a prestressed bar with ultrasound
05/30/2001EP0796497B1 Force sensing ink, method of making same and improved force sensor
05/29/2001US6237421 Apparatus for measuring a characteristic of an object using an optical fiber and light pulses
05/23/2001EP1101087A1 Flexible silicon strain gage
05/23/2001EP1100692A2 Circuit configuration for measuring the resistances of a pressure-sensitive resistor mat
05/23/2001EP0851833B1 Device and method to control yarn tension and yarn feeder
05/22/2001US6236037 Finger touch sensors and virtual switch panels
05/22/2001US6234032 Load measuring method and an apparatus therefor
05/22/2001US6234020 Method for residual stress measuring
05/17/2001WO2001035328A1 A method of touch control of an input device and such a device
05/17/2001WO2001035066A1 Arrangement of a force sensor in a housing
05/16/2001EP1100044A1 Detector constructed from fabric
05/16/2001EP1099231A1 Force-responsive detectors and systems
05/16/2001EP1099101A1 Non-intrusive fiber optic pressure sensor for measuring unsteady pressures within a pipe
05/16/2001CN1295240A High-precsion pressure sensor
05/16/2001CN1295234A Impact sensor and impact pressure sensor
05/15/2001US6231811 Ceramic substrate and sensor element using the ceramic substrate
05/10/2001WO2001033179A1 Method of manufacturing a fibre-optical strain-gauge and strain-gauge manufactured by said method
05/09/2001EP1098194A2 Nondestructive fatigue test method for ferromagnetic construction materials
05/09/2001EP1098182A2 Semiconductive pressure sensor
05/09/2001EP1097365A1 Diagnostic sensor
05/09/2001CN1294674A Sensing tapes for strain and/or temp sensing
05/09/2001CN1294292A Indicator able to sense roof pressure sensitively
05/03/2001WO2001031289A1 Method and device for real time non-destructive determination of residual stresses in objects by optical holographic interferometry technique
05/03/2001DE10054143A1 Constant current source circuit has resistors and primary and secondary transistors for providing current through load which is independent of temperature variations
05/03/2001DE10011312A1 Pressure sensor for vehicle seat, has unevenness formed on capacitor surface on capacitor pole element, where difference of spacings due to unevenness is alterable by application of pressure
05/02/2001CN1293356A X-type silicon microstrain solid-state piezo-resistance sensor and its making technology
05/02/2001CN1065337C High-stability quartz resonance type force sensor
05/01/2001US6225583 Pressure sensitive sensor utilizing materials of different solubility parameters and method for manufacturing the same
05/01/2001US6225190 Process for the separation of at least two elements of a structure in contact with one another by ion implantation
05/01/2001US6224094 Force sensor for seat occupant weight sensor
04/2001
04/26/2001WO2001006222A3 Use of multi-layer thin films as stress sensors
04/26/2001DE19956545C1 Seat occupation detector e.g. for automobile passenger seat, has flat electrodes spaced by intermediate medium with peripheral spacing region and central compressible region
04/24/2001US6220105 Magnetoelastic disc-shaped load cell having spiral spokes
04/19/2001WO2001027583A1 Interferometric residual-stress analysis
04/19/2001WO2001027557A1 Real-time interferometric deformation analysis
04/19/2001WO1998005973A8 Tunneling sensor with linear force rebalance
04/18/2001EP1092134A1 Method of pressure mapping for prediction of comfort in an automotive seat
04/17/2001US6219139 Full field photoelastic stress analysis
04/17/2001US6219131 Method and device for measuring stresses of membranes in a transparent material using polarization
04/17/2001US6218898 Circuitry for measuring piezoelectric signals
04/17/2001US6218661 Methods and apparatus for mechanically enhancing the sensitivity of transversely loaded fiber optic sensors
04/17/2001US6217979 Piezoelectric/electrostrictive film element
04/17/2001US6216547 Load sensor
04/17/2001US6216546 Sensor arrangement for spatially and temporally varying measurements of force or pressure
04/17/2001US6216545 Piezoresistive foot pressure measurement
04/17/2001US6216542 Monolithic force sensor
04/12/2001WO2001004593A8 Capacitive strain sensor and method for using the same
04/12/2001DE19944452A1 Positionsdetektor mit akustischen Oberflächenwellen A position detector surface acoustic wave
04/11/2001EP1090277A1 Load cell
04/11/2001CN1291279A Tensile testing sensor for measuring mechanical jamming deformations on first installation and automatic calibrating based on said jamming
04/11/2001CN1290855A Intelligent dynamometer
04/11/2001CN1290854A Method and device for revising Newton's theory of universal gravitation and Einstein's theory of gravitation
04/10/2001US6215927 Sensing tapes for strain and/or temperature sensing
04/05/2001WO2001023854A1 System and method for measuring stress in an optical fiber
04/05/2001WO2001023853A1 A method and apparatus for measuring forces in the presence of external pressure
04/05/2001WO2001023847A1 Load cell apparatus
04/05/2001WO2000057150A8 Magnetised torque transducer elements
04/05/2001CA2385825A1 Load cell apparatus
04/05/2001CA2385516A1 System and method for measuring stress in an optical fiber
04/05/2001CA2380372A1 A method and apparatus for measuring forces in the presence of external pressure
04/04/2001EP1089358A2 Piezoelectric/electrostrictive device and method of manufacturing same
04/04/2001EP1088209A1 Fibre optic detection device for forces or strains
04/04/2001CN1289917A 6D force sensor based on ceramic-thick film technique
04/03/2001US6212306 Method and device for time domain demultiplexing of serial fiber Bragg grating sensor arrays
04/03/2001US6211962 Sensor apparatus with polarization maintaining fibers
04/03/2001US6211558 Surface micro-machined sensor with pedestal
04/03/2001US6211540 Semiconductor strain sensor and scanning probe microscope using the semiconductor strain sensor
04/03/2001US6211472 Flat electronic scales
03/2001
03/29/2001WO2000070320A3 Methods and apparatus for mechanically enhancing the sensitivity of longitudinally loaded fiber optic sensors
03/29/2001WO2000037914A9 Bragg grating pressure sensor
03/29/2001DE10036479A1 Sitzgewichtsmessvorrichtung A seat weight measuring apparatus
03/28/2001EP1087445A1 Inertia force sensor and method for producing inertia force sensor
03/28/2001EP1087219A2 Sensor failure or abnormality detecting system incorporated in a physical or dynamic quantity detecting apparatus
03/28/2001EP1086761A2 Method and device for checking wear of crimping pliers
03/28/2001CN1289041A Real-time shafting operation state, stress state and failure detecting unit
03/27/2001US6208776 Birefringent fiber grating sensor and detection system
03/27/2001CA2181598C Packaged strain actuator
03/22/2001WO2001020781A1 Device and method for high-sensitivity resolution detection
03/22/2001WO2001020377A1 Method for producing an optical grating on an optical conductor and device comprising a grating of this type
03/22/2001WO2001020284A2 Miniaturised device for sensing the surface force distribution
03/22/2001WO2001019722A1 Method for customizing a saddle to a horse and apparatuses thereof
03/22/2001WO2000064697A3 Circuit configuration for measuring the resistances of a pressure-sensitive resistor mat
03/22/2001DE10042623A1 Verfahren zum Testen einer Verbindungszwischenfläche A method of testing a bond interface
03/21/2001EP1027568A4 Method and apparatus of cooking food in a lightwave oven
03/21/2001CN1288152A Condenser type force sensitive sensor with shape variable supportor
03/20/2001US6204920 Optical fiber sensor system
03/15/2001WO2001018515A1 Sensor device and method for interrogating a sensor device
03/15/2001WO2001018514A1 Load cell and washing machine with load cell
03/15/2001WO2001018504A1 Deformable body
03/15/2001WO2001018487A1 Distortion detector
03/15/2001DE19943439A1 Vorrichtung zur Kraftuntersetzung in einer Kraftmeßvorrichtung Apparatus for power reduction in a force measuring device
03/14/2001EP1083499A2 Method for thermal fluid analysis and thermal stress analysis of fluid machine
03/14/2001EP1083420A2 Device for reducing the force in a force measuring device
03/14/2001EP1082591A1 Sensing tapes for strain and/or temperature sensing