Patents
Patents for G01V 9 - Prospecting or detecting by methods not provided for in groups (2,873)
10/1991
10/08/1991US5055830 Battery sensing mechanism
10/02/1991EP0449518A1 Method and apparatus for detecting low volatility atmospheric vapors
10/01/1991CA1289793C Microcurved optic fiber sensor
09/1991
09/18/1991EP0447158A2 Detector for concealed explosive or narcotic substances
09/13/1991CA2012030A1 Sample handling system for molecular analyser
09/03/1991US5045937 Geographical surveying using multiple cameras to obtain split-screen images with overlaid geographical coordinates
08/1991
08/28/1991EP0442969A1 Wholly microfabricated biosensors and process for the manufacture and use thereof
08/08/1991CA2035791A1 Cost effective fluid line status sensor system
07/1991
07/10/1991CN1052955A Underground water exploration with secondary time difference in induced polarization and equipment thereof
07/02/1991US5027643 Method and apparatus for detecting low volatility atmospheric vapors
06/1991
06/13/1991WO1991008466A1 Selective detection of vapors
06/09/1991WO1991009307A1 Explosive detection screening system
04/1991
04/30/1991US5010776 Environmental contamination detection and analyzing system and method
04/18/1991WO1991006192A1 Soft sonar suspension system
04/18/1991CA2067242A1 Soft sonar suspension system
03/1991
03/19/1991US5001634 Method for mapping of sea level undulations with applications to hydrocarbon prospecting
02/1991
02/27/1991CN1011828B Whole-hole water-pressurizing test method
02/20/1991EP0294464B1 Prospecting method
02/19/1991US4994678 Apparatus for detecting a sheet by displacement of a roller
02/19/1991US4993874 Method and apparatus for the collection of reduced gases
02/01/1991WO1991002086A1 Oil and gas exploration
02/01/1991CA2064692A1 Oil and gas exploration
01/1991
01/30/1991CN2070454U 数模兼容式水动态测量仪 Compatible dynamic modulus type water meter
01/29/1991US4987767 Exposive detection screening system
12/1990
12/19/1990EP0402930A2 Sensor device
12/12/1990EP0401861A2 Explosive detection screening system
12/12/1990CA2018034A1 Battery sensing mechanism
12/11/1990US4976151 Method and device for detecting blocked condition in a tube of a liquid infusion pump
11/1990
11/15/1990WO1990013803A1 Monitoring system and method for performing gas analysis
10/1990
10/17/1990EP0392163A2 System for geological defect detection utilizing composite video-infrared thermography
10/03/1990EP0390052A2 Landmark recognition system and process
09/1990
09/20/1990WO1990010921A1 A method for detecting external influence on an optical cable
09/20/1990WO1990010781A1 Method of locating oil and gas horizons using a wellbore heat flow log
08/1990
08/14/1990US4947682 Method of locating oil and gas horizons using a wellbore heat flow log
06/1990
06/05/1990US4931719 Hall-effect sensor arrangement
05/1990
05/31/1990WO1990005910A1 Wholly microfabricated biosensors and process for the manufacture and use thereof
05/23/1990EP0369661A2 Walk-in inspection apparatus for producing air samples
05/18/1990CA2003230A1 Walk-in inspection apparatus for producing air samples
05/01/1990CA1268560A1 Method of exploration for uranium and petroleum
04/1990
04/12/1990DE3834595A1 Device on film processing machines
04/04/1990EP0361753A2 Printer having paper-out and column zero detection mechanism
04/03/1990US4914591 Method of determining rock compressive strength
03/1990
03/20/1990US4910593 System for geological defect detection utilizing composite video-infrared thermography
03/20/1990US4909089 Walk-in inspection apparatus for producing air samples
02/1990
02/20/1990CA1266106A1 Electromechanical abutment sensor
02/08/1990DE3822167A1 Light barrier
01/1990
01/30/1990US4897754 Switching apparatus
01/30/1990US4896547 Air-sampling apparatus with easy walk-in access
12/1989
12/26/1989US4890060 Electromechanical abutment sensor with resilient damper plate for sensing sheets in a sheet folding machine
11/1989
11/21/1989US4881840 Printer having paper-out and column zero detection mechanism
09/1989
09/12/1989CA1259370A1 Method for compensating ground energy radiation and an apparatus for applying this method as well as for using same
09/07/1989DE3806435A1 Diviner (divining rod) with sensitivity control
09/05/1989US4864127 Earth surface hydrocarbon gas cloud detection by use of landsat data
08/1989
08/24/1989WO1989007748A1 Apparatus for inspecting ridge of elastic body
08/08/1989US4855912 Method and apparatus for measurement of the thermal behavior of porous media
08/01/1989US4853637 Fluid conductivity sensor for actuating an electroexploding device
08/01/1989US4853543 Method and apparatus for detecting a tracer gas using a single laser beam
07/1989
07/26/1989EP0325386A1 A drop detector
07/12/1989CN1033882A Whole-hole water-pressurizing test method
07/11/1989US4846547 Microbend fiber-optic sensor
06/1989
06/26/1989EP0291506A4 Minerals and petroleum exploration using thermoluminescence.
06/20/1989CA1256218A1 Apparatus and method for geochemical prospecting
06/15/1989DE3901125A1 Method for pinpointing a geographical place and determining its extent and the temporal development of the activity at the centre focus of an approaching earthquake
05/1989
05/30/1989US4835435 Simple, sensitive, frequency-tuned drop detector
05/10/1989EP0315546A1 Device for determining the point at which a vehicle crosses a boundary
05/09/1989US4829286 Security fence system
04/1989
04/27/1989DE3735286A1 Method for determining the composition of mineral deposits
04/25/1989US4825165 Method and apparatus for detecting a transient phenomenon by monitoring variations of an alternating component of a vertical current emanating from the earth's surface
04/04/1989US4818870 Air withdrawing sampling probes for a contraband detection system
03/1989
03/01/1989EP0304434A1 Process and device for establishing the cohesion curve of an ocean floor at great depth
12/1988
12/27/1988US4793466 Device for detecting a sheet of glass
12/21/1988CN87216744U Drilling laser flowmeter
12/20/1988US4792526 From gas emanating from earth formation
12/14/1988EP0294464A1 Prospecting method.
11/1988
11/23/1988EP0291506A1 Minerals and petroleum exploration using thermoluminescence
11/22/1988US4785658 Method and apparatus for sensing hydrocarbon gases
10/1988
10/11/1988US4777476 Security fence
09/1988
09/07/1988WO1988006739A1 Process and device for establishing the cohesion curve of an ocean floor at great depth
08/1988
08/02/1988US4761649 Cable detector
06/1988
06/30/1988WO1988004784A1 Prospecting method
06/29/1988EP0116609B1 Single handed test stick
04/1988
04/06/1988CN87105363A Auto anti-bounce system for micro-computer sound velocity logging
03/1988
03/16/1988EP0259881A2 Switching apparatus
02/1988
02/10/1988CN86105060A Theoretical calculation of prospecting net density for classification-c reserves
02/03/1988CN87103319A Thermoelectric type infrared detector
01/1988
01/13/1988CN87201875U Low bottom air injecting instrument
01/12/1988US4718268 Method and apparatus for detecting a contraband substance
01/05/1988US4718047 Analysis of cement bonding utilizing temperature profiles
12/1987
12/23/1987CN86104175A Device for measuring flow speed and direction of underground water in ionization chamber isolope-tracing single well
12/12/1987CN86210195U Measuring instrument for hydrologic track cable
11/1987
11/25/1987EP0246487A2 Security fence system
11/11/1987EP0245082A2 Sampling probes
11/11/1987EP0244824A2 Security fence
10/1987
10/31/1987CN86207804U Device for measuring direction and velocity of ground water flow in single well by means of isotope tracer in ionization chambers
10/28/1987CN86208853U Wireless ultrasonic wave depth sounder
10/13/1987US4700368 Method and apparatus for sensing sheets
09/1987
09/23/1987EP0238440A1 Fibre-optic microbend sensor
09/09/1987CN86207534U Ultrasonic image logging detector with a gyroscope
08/1987
08/13/1987DE3600505A1 Radiation-measuring device employing the principle of a divining rod
08/04/1987US4683654 Method of and device for sensing the presence or absence of an article at the end of a vacuum pick-up means
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