Underground Systems, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4155
 
 
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 244
 
 
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
 
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183
 
 
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9638586 Dynamic wide-area earth thermal properties and earth ambient temperature determination systemMar 04, 14May 02, 17[G01K]
9069018 Overhead power line monitorApr 29, 10Jun 30, 15[G05D, G01R]
8497781 Power supply and communications controllerOct 21, 05Jul 30, 13[G08B, G01R]
RE44256 Electrical instrument platform for mounting on and removal from an energized high voltage power conductorOct 31, 05Jun 04, 13[G01R]
7733094 Electrical instrument platform for mounting on and removal from an energized high voltage power conductorOct 31, 05Jun 08, 10[G01R]
7641387 Power line temperature and sag monitor systemDec 16, 08Jan 05, 10[G01K, G01L, G01N, H02G]
7504819 Dynamic line rating system with real-time tracking of conductor creep to establish the maximum allowable conductor loading as limited by clearanceJan 17, 07Mar 17, 09[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6037592 System for measuring gases dissolved in a liquidExpiredFeb 14, 97Mar 14, 00[G01N]
5749942 Apparatus for extracting a gas from a liquid and delivering the gas to a collection stationExpiredFeb 14, 97May 12, 98[B01D]

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