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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
 
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
 
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9809934 Method for characterizing the seat of a railroad track, device for viewing the inside of a ground and assembly for characterizing the seat of a railroad track comprising such a deviceSep 14, 15Nov 07, 17[H04N, G01N, E01B, E02D]
9719903 Heavy dynamic penetrometer and method for determining the fall height of a hammer belonging to such a penetrometerJun 24, 15Aug 01, 17[G01N, E02D]
9625363 Measuring head intended to be fitted to a dynamic penetrometer and method of measurement using such a measuring headFeb 22, 13Apr 18, 17[G01N, G01V]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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