Houston Industries Incorporated

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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 1158
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5864096 Wildlife guard for electrical power distribution and substation facilitiesAug 14, 97Jan 26, 99[H01B]
RE35260 Voltage rotation indicator mounting apparatusDec 08, 92Jun 04, 96[G01R]
5097581 Electrical power meter installing/removing apparatusApr 02, 91Mar 24, 92[H05K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5927925 Pole setting guideExpiredJun 10, 98Jul 27, 99[B66S]
5873980 Apparatus and method for recovering solventExpiredMay 29, 97Feb 23, 99[B01L, B01D]
5752730 Hoist transport toolExpiredNov 13, 96May 19, 98[B65G]
5707168 Heavy object lifting connector deviceExpiredAug 15, 96Jan 13, 98[F16B]
5636664 Conductor preform removerExpiredAug 11, 95Jun 10, 97[B21F]
5566041 Zero-sequence opening of power distributionExpiredApr 17, 95Oct 15, 96[H01H]
5556299 Self-latching clamp for power linesExpiredMar 23, 95Sep 17, 96[H01R]
5546809 Vibration monitor mounting blockExpiredMar 01, 96Aug 20, 96[G01N]
5521697 Protective cover for fiberoptic scanner headExpiredJan 25, 95May 28, 96[G01J]
5481217 High current test signal converter circuitExpiredSep 21, 94Jan 02, 96[H03L]
5379604 Emergency refrigerant recovery activation systemExpiredNov 19, 93Jan 10, 95[F25B]
5314353 Test lead adapterExpiredFeb 26, 93May 24, 94[G01R]
5315068 Terminal block insulator extenderExpiredJul 11, 91May 24, 94[H01B, H01R]
5296818 Electrical yoke testerExpiredAug 13, 92Mar 22, 94[G01R]
5281067 Pole installation guideExpiredSep 10, 92Jan 25, 94[B66F]
5261507 Ladder standoffExpiredNov 17, 92Nov 16, 93[E06C]
5244399 Meter socket protectorExpiredAug 14, 92Sep 14, 93[H01R]
5245289 Circuit breaker interrupter sequence monitorExpiredNov 20, 92Sep 14, 93[G01R]
5195356 Test assembly for flue gas monitorsExpiredJul 11, 91Mar 23, 93[G01N]
5176268 Railroad car draft system assembly having improved wear lifeExpiredJun 11, 91Jan 05, 93[B61G]

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