Patents for G01L 1 - Measuring force or stress, in general (22,371)
01/2002
01/02/2002EP1166040A1 Bragg network extensometer and method for the production of said extensometer
01/02/2002EP0928414B1 Compensation technique for resistive bridge
01/02/2002CN1329243A Sensor
12/2001
12/27/2001US20010055876 Semiconductor sensor device and method of manufacturing the same
12/27/2001US20010054316 Method of manufacturing inertial force sensor
12/27/2001US20010054307 Piezoelectric sensor device and a method for detecting change in electric constants using the device
12/26/2001CN1328642A Systems and methods for measuring forces using piezoelectric transducers
12/26/2001CN1076824C Force transducer and computer keyboard
12/20/2001WO2001096820A1 Seating load sensor and method of manufacturing the load sensor
12/20/2001US20010052267 High resolution pressure-sensing device having an insulating flexible matrix loaded with filler particles
12/20/2001DE10124822A1 Sensorvorrichtung und Sensorgerät Sensor device and sensor device
12/19/2001EP1164378A1 Sensor
12/19/2001CN2466622Y Dynamometer
12/19/2001CN2466621Y 便携式测力计 Portable dynamometer
12/19/2001CN2465838Y Comparer of multifunctional cast aluminium alloy fast measurer
12/18/2001US6330833 Magnetoelastic torque sensor
12/18/2001CA2225945C Conductive fabric sensor system
12/13/2001WO2001039253A3 Diagnostic layer and methods for detecting structural integrity of composite and metallic materials
12/13/2001US20010049968 Apparatus for and method of measuring thermal stress of concrete structure
12/13/2001US20010049966 Overload protector for a force-measuring device, particularly for a balance
12/13/2001DE10027116A1 Kraftaufnehmer Force transducer
12/12/2001EP1162436A2 Force sensitive scale and dual sensor load cell for use therewith
12/12/2001EP1161663A1 A modulated fibre bragg grating strain gauge assembly for absolute gauging of strain
12/12/2001CN1326094A Electronic scales
12/11/2001US6329611 Apparatus for measuring weight and force with magnetic fluid seal
12/11/2001US6327913 Force measuring cell with an oscillating string transducer
12/11/2001US6327912 Method for measuring by ultra-sound the residual tension of a pre-stressed bar
12/11/2001US6327911 High temperature pressure transducer fabricated from beta silicon carbide
12/06/2001WO2001092844A1 Load cell
12/06/2001WO2001092843A2 Reflective strain gauge and polarization-sensitive device
12/06/2001US20010049587 Ultrasonic stress measurement using the critically refracted longitudinal (LCR) ultrasonic technique
12/06/2001US20010049193 Forming an electroconductive metallization thin film in the movable part and a connecting support; the layer is of an inert metal having a Young's modulus at room temperature which is greater than that of gold; stress relieving
12/06/2001US20010048071 Arrangement including a plurality of optical fiber bragg grating sensors and method for determining measured values in such arrangement
12/06/2001US20010047893 Electronic balance
12/06/2001DE10026436A1 Verfahren zum Bestimmen von Signalen A method for determining signals
12/06/2001DE10023838A1 Appliance for measuring displacement movement between sections of component uses displacement sensor in form of thin, flexible, deformable foil
12/05/2001EP1160555A2 Force sensor having two bending beams
12/05/2001EP1160554A2 Procedure for determining signals on switching mats, in particular piezoelectric switching mats
12/05/2001EP1160553A2 Adaptor with a sensor for being mounted between a driving device and a driven device, and methods of using and manufacturing such an adaptor
12/05/2001EP1160547A2 Electronic balance
12/05/2001EP1159594A1 Monitoring system and method
12/05/2001CN2463813Y Elastomer of strain-type force cell
12/04/2001US6327030 System, method, and coating for strain analysis
12/04/2001US6326562 Force-measuring apparatus, particularly a weighing cell
12/04/2001US6324920 System and methods for measuring forces
12/04/2001US6324919 Multi-axis wheel load transducer
12/04/2001US6324918 Bidirectional force sensor
11/2001
11/29/2001WO2001090712A1 Device for determining or for monitoring the pressure or differential pressure of at least one process medium
11/29/2001WO2001090711A1 Magnetic-based torque/speed sensor
11/29/2001WO2001090697A1 Optical deformation sensor with operational testing by different wavelenghts, for side crashes
11/29/2001US20010045127 Sensing device and sensor apparatus
11/29/2001DE10122112A1 Device for measuring thermal stresses in concrete structures has metal plate connecting T-frames to form housing enclosing concrete, cellophane tape applied to inside of concrete structure
11/29/2001DE10026330A1 Verformungssensor Strain sensor
11/29/2001DE10025985A1 Measuring force-deflection characteristic of piezoelectric actuator, involves subjecting actuator to first stiffness over first displacement distance and second stiffness over second displacement distance
11/29/2001DE10023588A1 Intrusionssensor zur Erfassung einer Unfallschwere bei einem Fahrzeug Intrusion sensor for detecting an accident severity in a vehicle
11/29/2001DE10023556A1 Piezo-Biegewandler sowie Verwendung desselben The same piezo bending converter and use
11/28/2001EP1157263A1 Bragg grating device for measuring a mechanical force, utilization of said device and method for operating the same
11/28/2001CN1323982A Gravitational law verifying method and equipment
11/27/2001US6321605 Surface load and pressure sensing apparatus
11/22/2001WO2001089004A1 Piezoelectric bending transducer and use thereof
11/22/2001WO2001088397A1 System and method for measuring dynamic loads in a magnetic bearing
11/22/2001WO2001087673A1 Vehicle intrusion detector for detecting the severity of an accident
11/22/2001US20010043200 Multiplexing detector constructed from fabric
11/22/2001US20010043027 Thin layer composite unimorph ferroelectric driver and sensor
11/22/2001US20010042412 Passenger detector
11/22/2001DE19943387A1 Verfahren zur Herstellung eines optischen Gitters auf einem optischen Leiter und Anordnung mit einem solchen Gitter und solchen Leiter A process for producing an optical grating on an optical conductor arrangement and with such a grating and such a conductor
11/22/2001DE10024982A1 Optical pressure measurement equipment for liquids, gases, measures total or differential pressure of fluids, based on optical frequency difference of laser radiation from resonator
11/22/2001DE10024588A1 Pressure monitoring device has evaluation unit which determines pressure effected on partial area of laser crystal, based on different frequencies of laser radiation in various polarization directions
11/20/2001US6319743 Method of making thin film piezoresistive sensor
11/20/2001US6318185 Compression stress sensor
11/14/2001EP1153264A1 Active strain gages for earthquake damage assessment
11/14/2001CN1321781A Heavy current short pulse treatment method of stress impedance material
11/13/2001US6316990 Constant current supply circuit
11/13/2001US6314823 Force detector and acceleration detector and method of manufacturing the same
11/13/2001US6314818 Apparatus and method of measuring the stress on a work machine
11/13/2001US6314815 Pressure sensor with compensation for null shift non-linearity at very low temperatures
11/08/2001DE10020950A1 Piezoelectric plate for torsion measurement
11/07/2001EP1152245A2 Micromachined mechanical structure and device using the same
11/07/2001EP1151261A1 Nip width sensing system and method
11/07/2001EP1151260A1 Device for determining the bending stress of components
11/07/2001EP1151259A1 Compensating element for a sensor
11/07/2001EP1151240A1 Fiber optic sensor
11/07/2001EP1068500A4 Linear force sensing device
11/07/2001CN1321243A Capacitive strain sensor and method for using same
11/06/2001US6314214 System and method for measuring stress during processing of an optical fiber
11/06/2001US6311566 Redundant linkage and sensor assembly
11/06/2001US6311563 Pressure sensor
11/06/2001US6311558 Ultrasonic strain gage using a motorized electromagnetic acoustic transducer
11/01/2001US20010035758 Bridge circuit for detector
11/01/2001US20010035122 Tension overload indicator
10/2001
10/31/2001EP1150109A2 Apparatus and method for measuring residual stress and photoelastic effect of optical fiber
10/31/2001EP1149270A1 Measuring device for measuring small forces and displacements
10/31/2001CN2457593Y Anchor prestress mounting dynameter
10/31/2001CN2457585Y Bridge type strain sheet pressure dection sensor
10/31/2001CN1320207A Sensor having resonance structure, especially an acceleration or rotation rate sensor, and device for carrying out self-test
10/30/2001US6309695 Process for the preparation of a thick film resistor useful for making strain gauge
10/30/2001US6308723 Piezo-resistive position indicator
10/30/2001US6308577 Circuit and method of compensating for membrane stress in a sensor
10/28/2001CA2344728A1 Micro-machined mechanical structure and device incorporating the structure
10/25/2001WO2001078851A1 Equipment for disclosing pressure