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Class Information
Number: 73/784
Name: Measuring and testing > Specimen stress or strain, or testing by stress or strain application > Earth stresses
Description: Subject matter wherein the specimen is a subterranean volume of earth.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8692668 Network based system for predicting landslides and providing early warnings Apr. 8, 2014
8417457 Borehole stress module and methods for use Apr. 9, 2013
8375802 Apparatus and method for evaluating mechanical properties of geo-materials Feb. 19, 2013
8220339 Mobile turf instrument apparatus having driven, periodically insertable, ground penetrating probe assembly Jul. 17, 2012
8141419 In-situ formation strength testing Mar. 27, 2012
8057124 Method and device for measuring soil parameters by means of compaction machines Nov. 15, 2011
7921730 Downhole rock scratcher and method for identifying strength of subsurface intervals Apr. 12, 2011
7895900 Measuring device, rock breaking device and method of measuring stress wave Mar. 1, 2011
7864068 Earthquake noticing server, earthquake noticing system, earthquake noticing method, and program Jan. 4, 2011
7762143 Penetration-type pipe strain gauge Jul. 27, 2010
7519480 Driving-force output of a reciprocating actuator Apr. 14, 2009
7440852 Stochastic analytical solution to quantify the earth's subsurface heat flow Oct. 21, 2008
7398696 Method and device for determining deformations Jul. 15, 2008
7388190 Fiber Bragg grating sensored segmented deflectometer for ground displacement monitoring Jun. 17, 2008
7380462 Apparatus and method for measuring supporting force of large diameter ferroconcrete piles Jun. 3, 2008
7353714 Method and apparatus for automatic load testing using bi-directional testing Apr. 8, 2008
7296475 Displacement instrument for determining the modulus of a material Nov. 20, 2007
7234362 Subsurface material property measurement Jun. 26, 2007
7201060 Apparatus and method for determining in situ pore fluid and soil properties using multi-sensor measurement systems Apr. 10, 2007
7028554 Instrumented deep tillage implement Apr. 18, 2006
6912903 Soil compaction measurement Jul. 5, 2005
6834550 Soil profile force measurement using an instrumented tine Dec. 28, 2004
6796187 Wireless multi-functional sensor platform, system containing same and method for its use Sep. 28, 2004
6757642 Method for performing wedge analysis for assessing wedge instabilities in underground openings Jun. 29, 2004
6694815 Liquefaction phenomenon prediction system Feb. 24, 2004
6655220 Method and device for in situ triaxial test Dec. 2, 2003
6647799 Soil strength measurement for site-specific agriculture Nov. 18, 2003
6604432 Soil compaction measurement Aug. 12, 2003
6567755 Metering equipment May. 20, 2003
6530284 Geographical displacement sensing unit and monitoring apparatus using the same Mar. 11, 2003
6516080 Numerical method of estimating physical properties of three-dimensional porous media Feb. 4, 2003
6497153 Measuring spatial variability in soil characteristics Dec. 24, 2002
6431006 Soil testing assemblies Aug. 13, 2002
6386044 Multi-depth deflectometer and method May. 14, 2002
6386043 Lateral motion sensing assembly May. 14, 2002
6357283 Sounding apparatus and method for operating it Mar. 19, 2002
6354766 Methods for forming a short aggregate pier and a product formed from said methods Mar. 12, 2002
6351991 Determining stress parameters of formations from multi-mode velocity data Mar. 5, 2002
6244102 Method and system for examination and optimal compaction of soil enbankments Jun. 12, 2001
6167964 Method of determining in-situ stresses Jan. 2, 2001
6138752 Method and apparatus to determine subterrranean formation stress Oct. 31, 2000
6102122 Control of heat injection based on temperature and in-situ stress measurement Aug. 15, 2000
6094991 Auto-orienting motion sensing device Aug. 1, 2000
6062090 Apparatus and method for determining the strength and type of soil May. 16, 2000
5967232 Borehole-conformable tool for in-situ stress measurements Oct. 19, 1999
5931237 Soil testing assemblies Aug. 3, 1999
5929341 Stress measuring rock support device Jul. 27, 1999
5868030 Core sample test method and apparatus Feb. 9, 1999
5866827 Auto-orienting motion sensing device Feb. 2, 1999
5859367 Method for determining sedimentary rock pore pressure caused by effective stress unloading Jan. 12, 1999

1 2 3 4

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