LABORATOIRE CENTRAL DES PONTS ET CHAUSSEES
20Patents
5Active
20Granted
38Portfolio score
Filing activity: Jul 3, 1985 → Nov 20, 2009 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4678558A | Method usable in particular for washing and desorbing solid products containing hydrocarbons | Chemistry; Metallurgy | 37 | Expired |
| US4712423A | Process and apparatus for measuring the dynamic loads applied to a highway by the road traffic | Physics | 25 | Expired |
| US6040853A | Process for detecting surface defects on a textured surface | Physics | 16 | Expired |
| US6865518B2 | Method and device for classifying vehicles | Physics | 15 | Expired |
| US6731114B1 | Apparatus with capacitive electrodes for measuring subsurface electrical characteristics in the subsoil | Physics | 13 | Expired |
| US6655220B1 | Method and device for in situ triaxial test | Physics | 12 | Expired |
| US6205864A | Gyratory shear press | Physics | 9 | Expired |
| US9074985B2 | Method and device for acoustic analysis of microporosities in a material such as concrete using multiple cMUTs transducers incorporated in the material | Physics | 7 | Active |
| US6813840B1 | Rectroreflecting metrology target marker device | Physics | 7 | Expired |
| US4662794A | Facing in the form of plates for the bank of earthen formations, particularly soil masses reinforced by geotextile sheets | Fixed Constructions | 6 | Expired |
| US6513384B1 | Method and apparatus for measuring the load bearing capacity of a platform | Physics | 6 | Expired |
| US6688167B2 | Measuring the profile of a pavement by moving three contactless distance-measuring sensors | Physics | 3 | Expired |
| US7873188B2 | Device for measuring visibility distance | Physics | 3 | Active |
| US8873341B2 | 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 kind | Performing Operations; Transporting | 3 | Active |
| US6860935B2 | Multiple scale cement composite with positive and ductile setting in uniaxial tension | Fixed Constructions | 2 | Expired |
| US5070286A | Manipulator for public works machines and machine equipped with such manipulator for road works | Fixed Constructions | 1 | Expired |
| US4674917A | Method and device for placing a construction material in a liquid environment | Textiles; Paper | 1 | Expired |
| US4762419A | Method of determining surface relief without making contact therewith | Physics | 1 | Expired |
| US7992357B2 | Safety device for use with prestressing cables | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US7678322B2 | Method of producing manufactured aggregates | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.