Construction Technology Laboratories, Inc.

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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 4202
 
  
 
E01D BRIDGES 114
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9032791 Measuring humidity or moistureMay 10, 11May 19, 15[G01N]
8047056 Moisture vapor probeOct 20, 08Nov 01, 11[G01N]
7231815 Relative humidity probe for concreteDec 02, 04Jun 19, 07[G01N]
6386044 Multi-depth deflectometer and methodOct 29, 99May 14, 02[G01L, G01N, G01B]
6292967 TMD-damped stay cable and method and TMDSep 14, 99Sep 25, 01[F16F, E01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0241,404 MEASURING HUMIDITY OR MOISTUREAbandonedMay 07, 15Aug 27, 15[G01N]
2006/0272,392 Relative humidity probe for concreteAbandonedMay 26, 06Dec 07, 06[G01N]
5509962 Cement containing activated beliteExpiredMay 20, 94Apr 23, 96[C04B]
4993838 Dust monitorExpiredJun 17, 88Feb 19, 91[G01N]

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