LABORATOIRE CENTRAL DES PONTS ET CHAUSSEES

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B06B GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL 123
 
  
 
B60B VEHICLE WHEELS 131
 
  
 
B81C PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICRO-STRUCTURAL DEVICES OR SYSTEMS 131
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 125
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9074985 Method and device for acoustic analysis of microporosities in a material such as concrete using multiple cMUTs transducers incorporated in the materialNov 20, 09Jul 07, 15[G01N]
8873341 CMUT cell formed from a membrane of nanotubes or nanowires or nanorods and device for ultra high frequency acoustic imaging including multiple cells of this kindNov 20, 09Oct 28, 14[H01L, B06B, B81C, B60B]
7992357 Safety device for use with prestressing cablesApr 29, 03Aug 09, 11[E04C, E01D]
7873188 Device for measuring visibility distanceOct 19, 05Jan 18, 11[G06K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0157,307 Sensor and an imaging system for remotely detecting an objectAbandonedDec 18, 09Jun 24, 10[G01B]
7678322 Method of producing manufactured aggregatesExpiredAug 06, 04Mar 16, 10[B28B]
6865518 Method and device for classifying vehiclesExpiredJan 10, 03Mar 08, 05[G06F]
2005/0017,735 Method of determining water content of a material and measuring apparatusAbandonedJun 04, 04Jan 27, 05[G01R]
6813840 Rectroreflecting metrology target marker deviceExpiredJun 28, 00Nov 09, 04[G01C]
6731114 Apparatus with capacitive electrodes for measuring subsurface electrical characteristics in the subsoilExpiredJan 31, 01May 04, 04[G01V]
6655220 Method and device for in situ triaxial testExpiredApr 17, 02Dec 02, 03[G01N]
6205864 Gyratory shear pressExpiredJul 11, 99Mar 27, 01[G01N]
6040853 Process for detecting surface defects on a textured surfaceExpiredOct 02, 97Mar 21, 00[H04N, G06K]
5404757 Device for driving rods used primarily for soil mechanics tests into the groundExpiredJul 21, 94Apr 11, 95[E21B]
5210482 Device for measuring the electrode potential of underwater concrete reinforcementExpiredApr 25, 91May 11, 93[G01N]
5162059 Discontinuous fiber made of drawn steel wire, and a fiber composite containing said fiberExpiredMar 11, 92Nov 10, 92[C04B]
5115602 Insulating and structural masonry block and method for the fabrication thereofExpiredFeb 23, 90May 26, 92[E04B]
5070286 Manipulator for public works machines and machine equipped with such manipulator for road worksExpiredNov 15, 89Dec 03, 91[E02F]
4762419 Method of determining surface relief without making contact therewithExpiredJan 28, 87Aug 09, 88[G01B]
4712423 Process and apparatus for measuring the dynamic loads applied to a highway by the road trafficExpiredFeb 07, 86Dec 15, 87[G01G]
4678558 Method usable in particular for washing and desorbing solid products containing hydrocarbonsExpiredJul 03, 85Jul 07, 87[C10G]
4674917 Method and device for placing a construction material in a liquid environmentExpiredJul 24, 85Jun 23, 87[B63C, E02D]
4662794 Facing in the form of plates for the bank of earthen formations, particularly soil masses reinforced by geotextile sheetsExpiredAug 27, 85May 05, 87[E02D]

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