Assignee
PUBLIC SERVICE COMPANY OF COLO
US·5 granted patents·106 citations·filing 1975–1992
Top patents by PatentIndex Score
5 records- 0173US5165903AIntegrated process and apparatus for control of pollutants in coal-fired boilersPUBLIC SERVICE COMPANY OF COLO·Filed 1991·Granted Nov 24, 1992·50 cites·13 claims
- 0257US5285806AMethod and apparatus for temporarily sealing off pipelinesPUBLIC SERVICE COMPANY OF COLO·Filed 1992·Granted Feb 15, 1994·24 cites·14 claims
- 0350US4086568AModular I/O equipment for controlling field devices directly or as an interfacePUBLIC SERVICE COMPANY OF COLO·Filed 1975·Granted Apr 25, 1978·20 cites·22 claims
- 0427US5311686AIlluminated natural gas flow display panel assemblyPUBLIC SERVICE COMPANY OF COLO·Filed 1992·Granted May 17, 1994·7 cites·13 claims
- 0520US4969852AChannel discriminator circuit for paging stationsPUBLIC SERVICE COMPANY OF COLO·Filed 1989·Granted Nov 13, 1990·5 cites·11 claims
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