Assignee
GEOSERVICES
FR·20 granted patents·885 citations·filing 1977–2006
Top patents by PatentIndex Score
20 records- 0193US5394141AMethod and apparatus for transmitting information between equipment at the bottom of a drilling or production operation and the surfaceGEOSERVICES·Filed 1992·Granted Feb 28, 1995·193 cites·38 claims
- 0292US4684946ADevice for transmitting to the surface the signal from a transmitter located at a great depthGEOSERVICES·Filed 1984·Granted Aug 4, 1987·117 cites·10 claims
- 0385US7392138B2Method for determining the content of at least one given gas in a drilling mud, associated device and rigGEOSERVICES·Filed 2006·Granted Jun 24, 2008·43 cites·19 claims
- 0481US7032444B2Module for extracting gas from an underground liquid and installation equipped therewithGEOSERVICES·Filed 2002·Granted Apr 25, 2006·24 cites·25 claims
- 0581US5090256AMethod and apparatus for sampling the gaseous content of a liquidGEOSERVICES·Filed 1989·Granted Feb 25, 1992·63 cites·22 claims
- 0679US7669665B2Mandrel for introduction into a fluid circulation duct, and related production wellGEOSERVICES·Filed 2006·Granted Mar 2, 2010·22 cites·16 claims
- 0779US6614718B2Device and method for seismic drill hole measuringGEOSERVICES·Filed 2001·Granted Sep 2, 2003·50 cites·26 claims
- 0879US4766442AAntenna structure for use with a transmitter located at a great depthGEOSERVICES·Filed 1987·Granted Aug 23, 1988·45 cites·20 claims
- 0976US5945923ADevice and method for transmitting information by electromagnetic wavesGEOSERVICES·Filed 1997·Granted Aug 31, 1999·80 cites·20 claims
- 1076US5163714AElectronically-nonconducting system for the connection of metal tubular elements, especially suitable for use as an antenna framework located at great depthGEOSERVICES·Filed 1991·Granted Nov 17, 1992·67 cites·24 claims
- 1171US6404350B1Device for providing an electrically insulated connection between two metal elementsGEOSERVICES·Filed 1998·Granted Jun 11, 2002·37 cites·37 claims
- 1271US4798805AApparatus and process for pyrolysis and analysis of samples containing organic matterGEOSERVICES·Filed 1986·Granted Jan 17, 1989·27 cites·20 claims
- 1352US6628206B1Method and system for the transmission of informations by electromagnetic waveGEOSERVICES·Filed 1999·Granted Sep 30, 2003·31 cites·16 claims
- 1448US7652592B2Data transmission deviceGEOSERVICES·Filed 2003·Granted Jan 26, 2010·14 cites·20 claims
- 1547US7114697B2Fast valve actuator and tool provided with sameGEOSERVICES·Filed 2003·Granted Oct 3, 2006·14 cites·36 claims
- 1646US6410862B1Device and method for measuring the flow rate of drill cuttingsGEOSERVICES·Filed 1999·Granted Jun 25, 2002·29 cites·10 claims
- 1744US4565007AProcess and apparatus for measuring the coiled/uncoiled length of winding gear cableGEOSERVICES·Filed 1983·Granted Jan 21, 1986·13 cites·9 claims
- 1840US7151465B2Method and apparatus for transmitting information between a salt-cavern and the surface of the groundGEOSERVICES·Filed 2004·Granted Dec 19, 2006·4 cites·13 claims
- 1940US4134294ADevice for simultaneously measuring various parameters of the drilling fluidGEOSERVICES·Filed 1977·Granted Jan 16, 1979·9 cites·6 claims
- 2034US7520166B2Method for detecting hydrocarbons in geological strataGEOSERVICES·Filed 2004·Granted Apr 21, 2009·3 cites·8 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →