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| More topics under "G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags" (78,271) |
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| G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) | | G01V 11 - Prospecting or detecting by methods combining techniques covered by two or more of main groups (3,215) | | G01V 13 - Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups (988) | | G01V 15 - Tags attached to, or associated with, an object, in order to enable detection of the object (2,419) | | G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) | | G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (5,830) | | G01V 7 - Measuring gravitational fields or waves; Gravimetric prospecting or detecting (1,315) | | G01V 8 - Prospecting or detecting by optical means (8,157) | | G01V 9 - Prospecting or detecting by methods not provided for in groups (2,873) | | G01V 99 - Subject matter not provided for in other groups of this subclass (257) |
| Patents for G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags (417) |
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| 08/12/1992 | EP0497815A1 Seismic cable device. | | 06/25/1992 | WO1992010768A1 System for logging a well during the drilling thereof | | 01/22/1992 | CN1058101A Method for acquisition of seismic data at sea | | 11/23/1991 | WO1991018302A1 A method for acquisition of seismic data at sea | | 04/27/1991 | WO1991006879A1 Seismic cable device | | 04/27/1991 | WO1991006878A1 Seismic device | | 04/27/1991 | WO1991006877A1 Seismic cable | | 03/19/1991 | US5001634 Method for mapping of sea level undulations with applications to hydrocarbon prospecting | | 02/20/1991 | EP0294464B1 Prospecting method | | 12/14/1988 | EP0294464A1 Prospecting method. | | 06/30/1988 | WO1988004784A1 Prospecting method | | 12/23/1986 | CA1215743A1 Method and apparatus for indicating the presence of conductive material in a medium | | 02/19/1986 | EP0171936A2 Vibration isolation section for a seismic streamer | | 11/12/1985 | CA1196688A1 Method and device for predicting earthquakes | | 01/19/1983 | EP0069737A1 Anti-static device for ball valves | | 04/01/1982 | WO1982001052A1 Anti-static device for ball valves | | 01/12/1982 | CA1116285A1 Seismic method and apparatus including liquid filled accelerometers |
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