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UNDERGROUND SYSTEMS INC

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    170,821
About

UNDERGROUND SYSTEMS INC has a total of 42 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Canada, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets measurement, electrical machinery and energy and telecommunications are NOK9 AB, GUIZHOU POWER GRID CO LTD ELECTRIC POWER SCIENCE RES INSTITUTE and ZHUHAI YADO MONITORING TECH CO LTD.

Patent filings per year

Chart showing UNDERGROUND SYSTEMS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Engelhardt John 23
#2 Fish Larry 21
#3 Xu Chunchuan 10
#4 Breese Duncan 9
#5 Alex Paul A 7
#6 Alex Paul 6
#7 Purnhagen David W 6
#8 Bright James 5
#9 Lipsky Charles 4
#10 Alex Paul Alan 4

Latest patents

Publication Filing date Title
US10607475B1 Remote monitoring system
US2015253458A1 Dynamic wide-area earth thermal properties and earth ambient temperature determination system
CN102422138A Overhead power line monitor
US2009138229A1 Power line temperature and sag monitor system
CA2655153A1 A power line temperature and sag monitor system
BRPI0517235A electrical instrument platform for mounting and removing a high voltage power conductor
EP1810040A2 Power supply and communications controller
CN101027568A Dynamic line rating system with real-time tracking of conductor creep to establish the maximum allowable conductor loading as limited by clearance
US6037592A System for measuring gases dissolved in a liquid