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Class Information
Number: 73/768
Name: Measuring and testing > Specimen stress or strain, or testing by stress or strain application > Specified electrical sensor or system > Sensor embedded in specimen
Description: Subject matter wherein the sensor is completely surrounded or enclosed by the specimen.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8635916 Internal structural monitoring system Jan. 28, 2014
8534131 Surgical intervention device comprising an instrument likely to deform Sep. 17, 2013
8522621 Measurement bearing, in particular for a wheel set of a rail vehicle Sep. 3, 2013
8511176 Method and apparatus for internally determining a load applied by a jack Aug. 20, 2013
8397583 Method and apparatus for testing load-bearing capacity Mar. 19, 2013
8397581 Pinch sensor with door seal Mar. 19, 2013
8307716 Method and apparatus for testing load-bearing capacity utilizing a ring cell Nov. 13, 2012
8236141 Industrial roll with sensors having conformable conductive sheets Aug. 7, 2012
8234929 Contact sensors and methods for making same Aug. 7, 2012
8193926 Piezoelectric triggering mechanism Jun. 5, 2012
8119936 Mounting system with measurement of the weight of the occupant for a seat of a motor vehicle Feb. 21, 2012
8040243 RFID-based corrosion and moisture detection Oct. 18, 2011
8011222 Impact detection device Sep. 6, 2011
7926356 Apparatus for measuring the health of solid rocket propellant using an embedded sensor Apr. 19, 2011
7849751 Contact sensors and methods for making same Dec. 14, 2010
7832280 Method and apparatus for testing load-bearing capacity utilizing a ring cell Nov. 16, 2010
7698962 Flexible sensor interface for a railcar truck Apr. 20, 2010
7691583 High sensitivity mechanical resonant sensor Apr. 6, 2010
7652488 Method for measuring the health of solid rocket propellant using an embedded sensor Jan. 26, 2010
7584667 Method and apparatus for sensing seat occupant weight Sep. 8, 2009
7581450 Relaxation modulus sensor, structure incorporating same, and method for use of same Sep. 1, 2009
7578198 Method and apparatus for sensing seat occupant weight Aug. 25, 2009
7552644 Device for determining strains on fiber composite components Jun. 30, 2009
7357036 Force measuring apparatus and strain measuring element Apr. 15, 2008
7296480 Method and device for monitoring a flexible pipe Nov. 20, 2007
7210358 Force sensor assembly May. 1, 2007
7066032 Pressure converter Jun. 27, 2006
6988413 Method and apparatus for sensing seat occupant weight Jan. 24, 2006
6987229 Frame-based occupant weight estimation apparatus having compliant linkage assembly Jan. 17, 2006
6868734 Sensor for recognition of seat occupancy Mar. 22, 2005
6834549 Characterizing in-situ deformation of hard pellicle during fabrication and mounting with a sensor array Dec. 28, 2004
6797892 Force transducer for a motor vehicle seat that includes a housing surrounding an extension member of the force transducer Sep. 28, 2004
6768065 Sensor device for a vehicle seat Jul. 27, 2004
6759603 Weight sensor assembly with overload spring Jul. 6, 2004
6718268 Apparatus for measuring a contact pressure of a winding compression element in a power transformer Apr. 6, 2004
6688185 System and method for microstrain measurement Feb. 10, 2004
6655218 Composite material and method of controlling damage thereto and damage sensor Dec. 2, 2003
6655199 Electronic foot pedal vehicle control system Dec. 2, 2003
6622558 Method and sensor for detecting strain using shape memory alloys Sep. 23, 2003
6584856 Method of sensing strain in a material by driving an embedded magnetoelastic film-coated wire to saturation Jul. 1, 2003
6553846 Device for determining deformations of motor vehicle components Apr. 29, 2003
6435034 Piezo-electric stretching detector and method for measuring stretching phenomena using such a detector Aug. 20, 2002
6399939 Sensor array system Jun. 4, 2002
6277771 Reinforcing carbon fiber material, laminate and detecting method Aug. 21, 2001
5942695 Method and apparatus for measuring seat loading by strain gauge Aug. 24, 1999
5939641 System and method for empirically determining shrinkage stresses in a molded package and power module employing the same Aug. 17, 1999
5932810 Passive peak deflection sensor Aug. 3, 1999
5877436 Method for quantitative determination of the pressure comfort of a seat cushion Mar. 2, 1999
5872316 In-die ejection force measurement in forming operations Feb. 16, 1999
5817944 Composite material strain/stress sensor Oct. 6, 1998

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