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Class Information
Number: 73/818
Name: Measuring and testing > Specimen stress or strain, or testing by stress or strain application > By loading of specimen (e.g., strength of material test) > Compressional
Description: Subject matter wherein the load is applied so as to squeeze the specimen.


Sub-classes under this class:

Class Number Class Name Patents
73/824 By rotating squeezing element 48
73/820 Fluid displacement provides indication 15
73/822 Plastic flow or creep 23
73/819 Plural specimen or multiaxial loading 43
73/823 Residual deformation (e.g., consolidation) 28
73/821 To fracture, crushing, or yield point 56
73/825 With hydraulic or pneumatic actuation 43


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7571654 Friction stir welding load confirmation system Aug. 11, 2009
7568397 Magnetic stability for test fixture Aug. 4, 2009
7562583 Apparatus and method for measuring crush-resistance of granular materials Jul. 21, 2009
7552650 Gripping fixture Jun. 30, 2009
7523672 Collapsible force sensor coupling Apr. 28, 2009
7513168 Jack bolt activated tensile strength test machine Apr. 7, 2009
7493828 Simulator for evaluating artifical joint specimens and associated method Feb. 24, 2009
7475600 Method of and apparatus for evaluating elastic member quality Jan. 13, 2009
7469596 Measurement of constitutive properties of a powder specimen subject to compressive axial and radial loading, using eddy current sensing Dec. 30, 2008
7451661 Friction stir welding load confirmation system Nov. 18, 2008
7451660 Post calibration catalytic converter canning apparatus and method Nov. 18, 2008
7441466 Weight sensor Oct. 28, 2008
7426871 Apparatus for testing a fuselage structure having a longitudinal and circumferential curvature Sep. 23, 2008
7426872 Sensor, device and method for measuring the pressure of an interface between two bodies Sep. 23, 2008
7426873 Micro electro-mechanical system (MEMS) pressure sensor for footwear Sep. 23, 2008
7421906 Apparatus for testing a fuselage structure having a longitudinal and circumferential curvature Sep. 9, 2008
7418858 Method and system for ripple-spring compression assessment Sep. 2, 2008
7415890 Unbonded system for strength testing of concrete masonry units Aug. 26, 2008
7404260 Gauge and method for indicating one or more properties of a loose-fill insulation Jul. 29, 2008
7401527 Windshield wiper pressure sensor Jul. 22, 2008
7387753 Method and apparatus to monitor the compressive strength of insulation boards Jun. 17, 2008
7380463 Assembly for testing panels under shear-compression loads Jun. 3, 2008
7370537 Ceramic ball bearing acoustic test method May. 13, 2008
7370538 Method and apparatus for determining insulation thickness May. 13, 2008
7364103 Method and device for the alignment and location of a sample such as tablets, pills or tablettes Apr. 29, 2008
7363822 Technique for applying direct resistance heating current to a specific location in a specimen under test while substantially reducing thermal gradients in the specimen gauge length Apr. 29, 2008
7347103 Pile testing reaction anchor apparatus and method Mar. 25, 2008
7347104 Arrangement and method for the analysis of the strength of a specimen of reducible material that contains iron Mar. 25, 2008
7347105 Method for the analysis of a test specimen of reducible material that contains iron Mar. 25, 2008
7331245 Pressure distribution sensor and sensing method Feb. 19, 2008
7316165 Force detection device Jan. 8, 2008
7281433 Probe for three-dimensional measurements Oct. 16, 2007
7249522 Optical measuring device Jul. 31, 2007
7246528 Toner evaluation method, toner cartridge, and image forming apparatus Jul. 24, 2007
7204154 Roll firmness measuring system and process Apr. 17, 2007
7194915 Lever connector test fixture Mar. 27, 2007
7191664 Testing of mechanical properties of materials Mar. 20, 2007
7178405 Pressure sensor capable of changing resolution in accordance with amount of pressing force Feb. 20, 2007
7174796 Tool evaluation system and method Feb. 13, 2007
7166085 Apparatus for in vitro testing of tampon-and-applicator systems Jan. 23, 2007
7155982 Testing apparatus for compression and shear testing of a test component such as a curved aircraft component Jan. 2, 2007
7137306 Apparatus for providing enhanced self-resistive specimen heating in dynamic material testing systems and accompanying method for use therein Nov. 21, 2006
7127951 Roll firmness measuring system and process Oct. 31, 2006
7107857 Apparatus for an anvil system that provides enhanced self-resistive specimen heating when used in a dynamic thermo-mechanical material testing system Sep. 19, 2006
7107858 Hot mix asphalt load simulator Sep. 19, 2006
7089801 Metal ring inspection method and metal ring inspection device Aug. 15, 2006
7080562 High-sensitivity pressure conduction sensor for localized pressures and stresses Jul. 25, 2006
7069778 Fixture for testing spring squareness under a load Jul. 4, 2006
7059197 Ground reaction force measuring module for walking robot and robot foot structure adopting the same Jun. 13, 2006
7024942 Method and apparatus for non-destructive detection of pits and seed fragments in fruit Apr. 11, 2006

1 2 3 4


 
 
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