Patents for E02D 1 - Investigation of foundation soil in situ (1,969)
01/1998
01/29/1998DE19629710A1 Method with appliance for investigating mechanical properties of ground for construction industry
01/13/1998US5706904 Soil sampling tool with volume-indicating feature
01/06/1998US5704142 Excavator data acquisition and control system and process
12/1997
12/18/1997DE19623439A1 Water sampling tube for borehole to extract samples from differing levels
12/11/1997WO1997046789A1 Column closure cap and method of preparing and carrying out column investigations
12/11/1997DE19623886A1 Coring tube system used in core drilling to assay near-surface contaminated ground
12/11/1997DE19623780A1 Säulenverschlußkappe und Verfahren zur Vorbereitung und Durchführung von Säulenuntersuchungen The column closure cap and method for the preparation and implementation of column tests
11/1997
11/19/1997CN1165292A Additional mass method for enrockment body density measurement
11/04/1997US5684249 Ground vibration properties detection method and equipment thereof
10/1997
10/14/1997US5677499 Lysimeter for collecting chemical samples from the vadose zone
10/07/1997US5675088 Method and apparatus for automatic monitoring of tectonic stresses and quantitative forecast of shallow earthquakes
10/01/1997CN2263664Y Deep flat loading test device
09/1997
09/02/1997US5663649 Soil penetrometer
08/1997
08/26/1997US5659985 Excavator data acquisition and control system and process
08/07/1997WO1997028432A1 Soil compaction measurement
07/1997
07/17/1997WO1997025484A1 Partly overhanging building structure under the natural ground and process for cladding an overhanging natural ground wall section
07/09/1997EP0606433B1 Method of determining the consistency of sub-soil
07/08/1997US5646337 Method and device for measuring parameters of plastic ground
06/1997
06/12/1997DE19542091C1 Bore sample extraction device
06/05/1997DE19625125C1 Soil sample extraction method
06/05/1997DE19544998A1 System for creepage trails in situ using mains independent measuring value detector
05/1997
05/02/1997EP0580573B1 Improvements in or relating to underwater excavation apparatus
04/1997
04/22/1997US5623108 Method and system for measuring three-dimensional displacement
04/02/1997EP0765430A1 Soil sampler
04/01/1997US5616833 Dynamic cone penetration device
03/1997
03/11/1997US5610336 Method for estimating frequencies of machine foundations
03/06/1997DE19608902C1 Magnetic anomalies in ground detection method using magnetic field probes or sounds
03/04/1997US5607289 Underwater excavation apparatus
01/1997
01/15/1997EP0753647A2 Down hole testing apparatus with television
01/07/1997US5591902 Soil recognition and characterization device
01/03/1997WO1997000389A1 Excavator data acquisition and control system and process
01/03/1997CA2222448A1 Excavator data acquisition and control system and process
11/1996
11/27/1996CN1033406C Method for measuring, aualysing and judging stratum structure
11/19/1996US5576494 Method and apparatus for subterranean load-cell testing
11/19/1996US5576485 Single fracture method and apparatus for simultaneous measurement of in-situ earthen stress state and material properties
10/1996
10/25/1996CA2147701A1 Sampling device
10/22/1996US5567889 Lysimeter for collecting chemical samples from the vadose zone
10/16/1996EP0737262A1 Pile driving rig
10/09/1996EP0736666A2 Method and apparatus for determining the stress state and material properties
09/1996
09/10/1996US5553407 Excavator data acquisition and control system and method of use
08/1996
08/07/1996EP0725185A1 Lining tunnels and method for its attachment
07/1996
07/18/1996WO1996021772A1 Soil analysis and sampling system
07/03/1996EP0719897A1 Method and device for measuring parameters of plastic ground
05/1996
05/21/1996US5517868 Method for obtaining a soil sample
04/1996
04/30/1996US5511615 Method and apparatus for in-situ borehole stress determination
04/10/1996EP0705941A1 Membrane apparatus with inclined piezometer
04/10/1996CN2224220Y Continuous-drilling type sounding instrument
04/09/1996US5505098 Cartridge for preserving a soil sample
03/1996
03/27/1996CN1119276A Vacuum compressometer and experiment method
03/07/1996WO1996007111A1 SURFACE MOUNTED pH SENSOR FOR CONE PENETRATION TESTING
03/05/1996US5497091 Surface mounted pH sensor for cone penetration testing
02/1996
02/20/1996US5492021 Variable depth core sampler
02/07/1996EP0695420A1 Monitoring soil compaction
01/1996
01/24/1996CN1030797C Pyrotechnic dynamic penetrometer
01/18/1996WO1996001360A1 Soil sampler
01/18/1996CA2194368A1 Soil sampler
01/02/1996US5480291 Underwater excavation apparatus
10/1995
10/19/1995WO1995027911A1 Method and apparatus for testing soil contamination
10/05/1995DE4411829A1 Determining mechanical characteristics of soil for construction and agriculture
09/1995
09/14/1995DE4407217A1 Appts. for rapid sampling and mapping of the contents of spoil heaps
09/06/1995CN2206952Y Static load detemining instrument for house
08/1995
08/30/1995CN1107537A Pile head grouting and supersonic detecting combined process for filling long pile in saturated soil
08/24/1995WO1995022750A1 Lysimeter for collecting chemical samples from the vadose zone
08/23/1995CN2205844Y Bulldozer of sampler for sampling soil
08/10/1995WO1995021302A1 Soil probing apparatus
07/1995
07/25/1995US5435399 Soil sampler
07/06/1995WO1995018289A1 Drilling method for detecting soil contamination by high-density liquid materials
07/06/1995WO1995018270A1 Pile driving rig
06/1995
06/27/1995US5426972 Monitoring soil compaction
06/07/1995CN1103455A Improvements to methods and devices for in-situ measurement of ground heave charateristics
04/1995
04/11/1995US5404757 Device for driving rods used primarily for soil mechanics tests into the ground
04/05/1995CN2193887Y Rotary soil sampler
02/1995
02/16/1995WO1995004870A1 Soil sampler for analysis for fertilizer determination
02/16/1995WO1995004450A1 Method of fertilizer application
02/08/1995CN2189203Y Apparatus for obtg. soil samples from soft earth
02/02/1995DE4319976A1 Method and arrangement for determining the permeability of a ground (soil) formation
11/1994
11/23/1994EP0561968B1 Dynamic pyrotechnical penetrometer
11/10/1994DE4328273C1 Probe for taking undisturbed ground samples
10/1994
10/27/1994WO1994024538A1 Monitoring soil compaction
10/27/1994CA2161012A1 Monitoring soil compaction
09/1994
09/29/1994DE4310096A1 Method and device for measuring the radon content in ground gas
09/14/1994CN2177044Y Water pressure fixed soil sampler
09/07/1994CN2176382Y Static seratum exploring machine
09/07/1994CN1091795A Expansive rock soil local detector
09/06/1994US5343771 Tool for sampling soil containing volatile organic compound
09/06/1994CA1331840C Low-water-pressure controlled hydrologic test method
08/1994
08/24/1994CN2175259Y Device for sampling of soil with three tube revolving type
08/10/1994CN2173808Y Standard penetrometer
08/03/1994CN2173274Y Soil sampling device
07/1994
07/20/1994EP0606433A1 Method of determining the consistency of sub-soil.
07/12/1994CA2009349C Method and device for in-situ determination of rheological properties of earth materials
06/1994
06/09/1994DE4241011A1 Dynamic process for determination of sub-surface soil characteristics - carrying out measurements on advancing body of forward thrust, air pressure, pore water pressure and fluctuations
05/1994
05/26/1994DE4238989A1 Soil sampling device - has sample cutting frame equipped with turn-over device
05/24/1994US5313825 For measuring soil shear strength
02/1994
02/17/1994WO1994003682A1 Method of determining the consistency of sub-soil
02/09/1994CN2155394Y Foundation bit borer
02/02/1994EP0580573A1 Improvements in or relating to underwater excavation apparatus.
01/1994
01/20/1994DE4328540A1 Soil mechanical load testing - measuring expansion of bore diameter caused by conversion of piston-cylinder reciprocation of internal shaft into lateral movement by cam levers acting on parallel side plates under standard load
01/12/1994CN2152828Y Pneumatic bit prospecting machine
01/05/1994DE4220594A1 Elasticity modulus of construction measurement appts. for earth and construction materials - has base housing contg. lifting magnet for supporting variable number of load plates and exerting force impulse onto upper or lower plate.
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