| Patents for G01L 1 - Measuring force or stress, in general (22,371) |
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| 05/03/1994 | US5309540 Optical fiber sensor and a manufacturing process for making same |
| 05/03/1994 | US5309136 Electrical circuit such as a Wheatstone bridge with a resistance-adjusting portion |
| 05/03/1994 | US5309135 Flexible potentiometer in a horn control system |
| 05/03/1994 | US5308973 Method and device for the measurement of force by a fiber optics system by evaluating phase shift of light waves |
| 05/03/1994 | US5307693 Force-sensing system, including a magnetically mounted rocking element |
| 04/27/1994 | EP0594534A1 Multicomponent force and moment measurement |
| 04/27/1994 | EP0594533A2 Method and device for detection of material tensions in preformed pieces |
| 04/27/1994 | EP0594290A1 Ceramic body and method and apparatus for detecting change thereof |
| 04/27/1994 | EP0594180A2 A mechanical sensor |
| 04/27/1994 | EP0593483A1 Strain monitoring apparatus and method for use in mechanical structures subjected to stress |
| 04/27/1994 | EP0381730B1 Linearization circuit |
| 04/27/1994 | CN2163378Y Infusion bottle cap dynameter |
| 04/26/1994 | US5306873 Load cell with strain gauges having low temperature dependent coefficient of resistance |
| 04/26/1994 | US5305644 Force sensor |
| 04/21/1994 | DE4316992A1 Load measuring appts. for measuring load on legs of vehicle crash test dummy - contains force measurement sensors mounted in measurement plates on heel and sole of measurement shoe |
| 04/21/1994 | DE4234852A1 Vibration measuring unit for force-measuring balancing machines - contains moving coil pick=up designed as current source with winding of low ohmic resistance and small number of turns and is connected to electrical amplifier |
| 04/19/1994 | US5305081 Bottle stress analysis system |
| 04/14/1994 | WO1994008216A1 Load cell |
| 04/12/1994 | US5302936 Conductive particulate force transducer |
| 04/12/1994 | US5302886 Mechanical/electrical displacement transducer |
| 04/07/1994 | DE4339090A1 Compressive strain measuring and monitoring appts. - contains press. cushion with hydraulic filling connected to compensation component with sealing membrane and press. measurement line |
| 04/07/1994 | DE4233691A1 Magnetoelastic-optical force transducer using rotary template - reduces force measurement to equiv. encoding of optimum angular position of disc overlying magnetic needle |
| 04/07/1994 | DE4233399A1 Force microscope with cantilevered point and deflection photodetector - is based on measurement of astigmatism in compact sensor head revolvable into path of optical microscope |
| 04/07/1994 | DE4233323A1 Sense-of-touch imitator for minimal invasive surgery - has elastic tubes on surgeon's fingers with measurement conductors leading to capacitive press. transducers |
| 04/06/1994 | EP0590713A2 Force transducer using a cirular plate spring |
| 04/06/1994 | EP0590658A1 Force measuring apparatus |
| 04/06/1994 | CN2160895Y 压力传感器 Pressure sensors |
| 04/05/1994 | US5299460 Circuit for pulse width modulating a sensor |
| 04/05/1994 | US5299457 Precision grip meter |
| 03/31/1994 | WO1994007118A1 Circular radial force transducer |
| 03/31/1994 | DE4232568A1 Integrated overload protection arrangement, esp. for cylindrical force measurement cell - contains stop centrally mounted on carrier at distance from circular plate spring |
| 03/30/1994 | CN1084636A Capacitive force-sensing element and making method thereof |
| 03/29/1994 | US5298964 Optical stress sensing system with directional measurement capabilities |
| 03/29/1994 | US5297720 Method of assembling a mechanical part including a sensitive element on a support to define a variable capacitor, a mechanical part, and a tool for implementing the method |
| 03/29/1994 | US5297439 Sensor for detecting mechanical influence on an object of measurement |
| 03/29/1994 | US5297438 Piezoresistive sensor |
| 03/29/1994 | CA2105627A1 Wheel balancer with multiple operator interface |
| 03/24/1994 | DE4235387C1 Position sensing, non-destructive investigation of magnetic Barkhausen noise - has inductive sensor with two=part ferromagnetic core whose tips are brought together to form gap of size related to dimension of analysed region, and piezo-crystal control member for setting sepn. between sensor and sample |
| 03/23/1994 | EP0588383A2 Mechanical/electrical displacement transducer |
| 03/23/1994 | EP0587708A1 Determination of induced change of polarization state of light |
| 03/23/1994 | CN2159561Y High temp. pressure sensor |
| 03/23/1994 | CN2159560Y Mineral pressure meter |
| 03/22/1994 | US5296837 Stannous oxide force transducer and composition |
| 03/22/1994 | US5295386 Apparatus for detecting acceleration and method for testing this apparatus |
| 03/17/1994 | WO1994005985A1 Conductive particulate force transducer |
| 03/16/1994 | EP0587421A1 Improvements in or relating to weighing machines |
| 03/16/1994 | EP0587420A1 Weighing machine adjustment |
| 03/16/1994 | EP0587054A2 Device for measuring pressure |
| 03/16/1994 | EP0587042A2 Torque sensor |
| 03/16/1994 | CN1083923A Shear beam loadcell |
| 03/09/1994 | CN2158535Y Press force measuring device |
| 03/08/1994 | USRE34559 Diagnostic method for analyzing and monitoring the process parameters in the operation of reciprocating equipment |
| 03/08/1994 | US5293137 Digital transducer system including two reactive transducers forming resonant oscillator circuits |
| 03/08/1994 | US5293039 Sandwiched fiber-optic pressure detector |
| 03/08/1994 | US5293007 Method for moment balancing a parallel beam load cell and the article produced thereby |
| 03/08/1994 | US5291795 Transmission element for force or moment measuring devices |
| 03/08/1994 | US5291794 Method and apparatus for monitoring mechanical power transmission systems |
| 03/08/1994 | US5291793 For transmitting an axial tensile or compressive force |
| 03/03/1994 | DE4228150A1 Photodiode transducer circuit - has auxiliary circuit contg. power amplifier of less than unity gain and capacitor acting as dynamic voltage source, across sensor for preventing voltage variation between sensor terminals |
| 03/03/1994 | DE4228086A1 Electric sensor component for automisation or ind. robot applications - uses housing filled with electrolyte providing resistance variation dependent on position of freely movable body |
| 03/02/1994 | EP0585024A2 Pressure detector circuit |
| 03/02/1994 | EP0584652A2 Transducer for measuring mechanical loads |
| 03/01/1994 | US5289722 Preassembled, easily mountable strain gage |
| 02/28/1994 | CA2104937A1 Bottle stress analysis system |
| 02/24/1994 | DE4227602A1 Weigh cell force sensor - connects force entry and carrier parts by deformable section, and forms electrical coupling between resistance wire transducer and contact pads by feed-lines at defined angle to main deformation axis |
| 02/24/1994 | DE4227367A1 Surgical pressure-sensing probe e.g. for endovascular and neuro-microsurgery endoscope - uses variable capacitor formed from deformable dielectric sandwiched between electrically-conductive layers |
| 02/22/1994 | US5289435 Capactive force transducer |
| 02/22/1994 | US5289387 Method for measuring stress |
| 02/22/1994 | US5288995 Electrical measurement apparatus using heterodyne phase conversion techniques |
| 02/22/1994 | US5287757 Strain-gauge transducer |
| 02/22/1994 | US5287748 Method and apparatus for changing the sensitivity of a transducer |
| 02/17/1994 | WO1994003784A1 Compensated load measuring device |
| 02/17/1994 | WO1994003783A1 Self-exciting optical strain gage |
| 02/16/1994 | CN2156492Y Flexible photo touch sensor |
| 02/16/1994 | CN2156491Y 力传感器 Force Sensors |
| 02/16/1994 | CN1082192A Method to measure residual stress of thin sheet |
| 02/15/1994 | US5286094 Controlling braking forces in tractor-trailer combinations |
| 02/10/1994 | DE4226224A1 Monocrystalline silicon@ force sensor - connects central deformable section to outer base by carriers which support piezo-resistances, and has meandering tortuous path conductive tracks on deformable section for passage of test current |
| 02/10/1994 | DE4226012A1 Cylinder head seal for internal combustion engine - has combustion pressure measurement detector consisting of pressure-sensitive resistance located between crossing conductive tracks in seal to detect combustion irregularities |
| 02/10/1994 | DE4225837A1 Bus=bar connection device for LV distribution system - allows repeated tightening at place of installation irrespective of care exercised by personnel in assembly at factory |
| 02/09/1994 | EP0379524B1 Improved pressure and contact sensor system for measuring dental occlusion |
| 02/09/1994 | CN2155565Y Small low contour force sensor |
| 02/08/1994 | US5285019 Modular idler station belt scale apparatus |
| 02/08/1994 | US5284062 Sensor for measuring elongations |
| 02/03/1994 | WO1994002815A1 Strain gage disposed on a flexible support and probe fitted with said gage |
| 02/02/1994 | EP0581328A1 A method of forming a piezoresistive element on an insulating support |
| 02/01/1994 | US5283497 Electrotiltable material (tilter) |
| 01/20/1994 | WO1994001744A1 Stannous oxide force transducer and composition |
| 01/19/1994 | EP0579226A2 Force transducer and pressure detecting circuit using the same |
| 01/12/1994 | EP0578422A2 Apparatus for measuring torque |
| 01/11/1994 | US5277067 Miniature pressure sensor and pressure sensor arrays |
| 01/05/1994 | DE4220811A1 Strain gauge type load or force sensor e.g for measuring fibre-tension in textile industry - has internal oil-filled bellows in central section of deflection member for damping oscillations due to load or external source. |
| 01/05/1994 | DE4220810A1 Sealed load or force sensor e.g. for weighing - has deflection member with internal fluid damping and strain gauge elements in corrosion resistant housing with metal sealing membranes for receiving load applicator input. |
| 01/05/1994 | DE4220544A1 Mechanical stress component measurement on surface of dynamically loaded object - applying anisotropic liquid crystal polymer or glass fibre film to surface of object and measuring temp. change, repeating with film rotated and finally measuring temp. without film or with film rotated w.r.t. previous locations. |
| 01/04/1994 | US5275062 Web tension measuring device for use with web coiling equipment |
| 01/04/1994 | US5275055 Resonant gauge with microbeam driven in constant electric field |
| 01/04/1994 | CA1325731C Stress analyzer with automatic overload response |
| 12/22/1993 | EP0574755A1 Device for measuring the clamping force and locking pressure in die-casting machines |
| 12/22/1993 | EP0574697A1 Double pinned sensor utilizing a tensile film |
| 12/22/1993 | CN1079822A Optical force transducer based on a fabry-perot resonator, with a sveeping fabry-perot resonator as an element of the transducing part |