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EXTREME ENGINEERING LTD

Overview
  • Total Patents
    12
About

EXTREME ENGINEERING LTD has a total of 12 patent applications. Its first patent ever was published in 2003. It filed its patents most often in Canada and United States. Its main competitors in its focus markets electrical machinery and energy, civil engineering and machines are EGSTON EGGENBURGER SYST ELEKTR, DONGGUAN LIDE PREC INDUSTRY CO LTD and SHENZHEN GLGNET ELECTRONICS CO LTD.

Patent filings in countries

World map showing EXTREME ENGINEERING LTDs patent filings in countries
# Country Total Patents
#1 Canada 8
#2 United States 4

Patent filings per year

Chart showing EXTREME ENGINEERING LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Camwell Paul L 8
#2 Dopf Anthony R 8
#3 Logan Derek W 6
#4 Siemens Wendall L 5
#5 Neff Timothy 3
#6 Switzer Dave 2
#7 Siemens Wendall 2
#8 Le Trang 2
#9 Liu Jili 2
#10 Switzer David 2

Latest patents

Publication Filing date Title
CA2636573A1 Improved spindle for mud pulse telemetry applications
CA2577734A1 Electrical isolation connector for electromagnetic gap sub
CA2548694A1 Fluid erosion protection washer for rotating shaft in mwd tool
US6902414B2 Harsh environment rotatable connector
US7462957B2 Multi-conductor plug and socket apparatus
CA2440779A1 Multi-conductor plug and socket apparatus
US6816053B2 Circuit to mitigate transformer shorted turn
CA2417536A1 Apparatus for receiving downhole acoustic signals