COMPAGNIE DU SOL

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02F DREDGING; SOIL-SHIFTING 639
 
  
 
E21B EARTH OR ROCK DRILLING 393
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8419315 Harbor structure and a method of building such a structureNov 07, 06Apr 16, 13[E02D]
8276600 Scraper machineMar 12, 09Oct 02, 12[B08B]
8128178 Cutter head for a ground cutter machine having rotary cuttersMar 26, 08Mar 06, 12[E02F]
8020323 Drilling toolApr 04, 07Sep 20, 11[E02F]
7765723 Cutter head for an excavator machineJul 16, 07Aug 03, 10[E02F]
7591329 Auger with a movable gouge for making a boreholeJul 27, 06Sep 22, 09[E21B]
7591514 Cutter head for an excavator machineJul 16, 07Sep 22, 09[E02F]
7481604 Machine for digging a trench and making a wall in said trenchAug 09, 05Jan 27, 09[E02F]
6497282 Method of monitoring the diameter of columns made by injectionDec 14, 00Dec 24, 02[F21B]
6478512 Machine for making bored pilesApr 10, 01Nov 12, 02[E02D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0158,623 Machine for Making a Continuous Wall in the GroundAbandonedSep 25, 06Jun 25, 09[E02D]
2008/0298,901 Soil Consolidating Method and Composition ThereforAbandonedJul 26, 05Dec 04, 08[C09K]
2008/0008,534 Method of rehabilitating soil and/or underground water, and equipment for implementing the methodAbandonedApr 04, 07Jan 10, 08[B09C, E21B]
7000548 Self-propelled carriage suitable for moving in a cylindrical galleryExpiredMay 04, 01Feb 21, 06[B61B]
7000714 Head for injecting a fluid under pressure to break up ground from a boreholeExpiredAug 11, 03Feb 21, 06[E21B]
6978849 Hole-boring method and system for making cast-in-situ pilesExpiredOct 15, 02Dec 27, 05[E21B]
6958703 Drill string enabling information to be transmittedExpiredJan 24, 02Oct 25, 05[G01V]
6955232 Equipment for drilling vertical boreholesExpiredNov 20, 02Oct 18, 05[E21B]
6952170 Hollow drilling rod for transmitting informationExpiredJan 22, 02Oct 04, 05[G01V]
6944977 Drum for an excavator that can be used in particular for the production of vertical trenches in hard or very hard soilsExpiredDec 31, 03Sep 20, 05[E02F]
6942046 Bore bit for very hard materialExpiredOct 15, 02Sep 13, 05[E21B]
6939834 Grout for making watertight screensExpiredOct 18, 00Sep 06, 05[0000]
2005/0121,234 Drilling machine having rotary toolsAbandonedNov 18, 04Jun 09, 05[E21B]
6839988 Drilling apparatus for hard groundExpiredSep 11, 02Jan 11, 05[E21B, E02F]
6839989 Drilling apparatus for hard groundExpiredSep 11, 02Jan 11, 05[E02F]
6761415 Trailer for a tunnel borer follower trainExpiredFeb 22, 02Jul 13, 04[E21D]
6648084 Head for injecting liquid under pressure to excavate the groundExpiredFeb 07, 02Nov 18, 03[E21B]
2003/0070,588 Delayed-setting concreteAbandonedNov 22, 02Apr 17, 03[C04B]
6506249 Delayed-setting concreteExpiredApr 13, 00Jan 14, 03[C04B]
6471445 Rotary displacement piling equipmentExpiredJan 17, 01Oct 29, 02[E02D, E21B]

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