UNDERSGROUND SYSTEMS, INC.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 12, 1989 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,667 Total Citation Count
- Apr 13, 1983 Earliest Filing
- 18 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4886980 Transmission line sensor apparatus operable with near zero current line conditionsExpiredAug 22, 88Dec 12, 89[H02J]
4808916 Power supply magnetic shunt for transmission line sensor moduleExpiredNov 14, 86Feb 28, 89[G01R]
4808917 Transmission line sensor apparatus operable with near zero current line conditionsExpiredNov 05, 85Feb 28, 89[G01R]
4796027 Apparatus for data transmission from multiple sources on a single channelExpiredFeb 10, 88Jan 03, 89[G08C]
4794327 Electrical parameter sensing module for mounting on and removal from an energized high voltage power conductorExpiredMay 11, 87Dec 27, 88[G08B, G01R]
4794328 Tool for mounting a sensor module on a live power transmission lineExpiredApr 07, 86Dec 27, 88[G01R]
4777381 Electrical power line and substation monitoring apparatus and systemsExpiredMay 11, 87Oct 11, 88[H02J, G08C]
4758962 Electrical power line and substation monitoring apparatus and systemsExpiredMay 05, 86Jul 19, 88[G08B, G01R]
4746241 Hinge clamp for securing a sensor module on a power transmission lineExpiredMar 31, 86May 24, 88[F16D, B25G]
4723220 Apparatus for power measuring and calculating Fourier components of power line parametersExpiredMar 20, 86Feb 02, 88[H02J, G06F]
4714893 Apparatus for measuring the potential of a transmission line conductorExpiredMar 18, 86Dec 22, 87[G01R]
4689752 System and apparatus for monitoring and control of a bulk electric power delivery systemExpiredApr 13, 83Aug 25, 87[H04B, G01R]
4635055 Apparatus for measuring the temperature and other parameters of an electic power conductorExpiredDec 23, 83Jan 06, 87[B08C]
4611207 Apparatus for monitoring voltage on a high voltage overhead transmission lineExpiredOct 31, 83Sep 09, 86[G08B, G01R]
Top Inventors for This Owner
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