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COQ NV

Overview
  • Total Patents
    318
About

COQ NV has a total of 318 patent applications. Its first patent ever was published in 1953. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machine tools and machines are CHANGZHOU MECAN TECHNOLOGY DEV CO LTD, HUBEI JUCRO ELECTRICAL CO LTD and YORKSHIRE SWITCHGEAR & ENG CO.

Patent filings in countries

World map showing COQ NVs patent filings in countries

Patent filings per year

Chart showing COQ NVs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Boersma Rintje 48
#2 Irik Gijsbert W 17
#3 Irik Gijsbert Waldemar 14
#4 Boersma R 13
#5 Hidde Nijland Hendrik A 9
#6 Irik G 8
#7 Frowein Egbertus Adrianus 6
#8 Rinchie Buurusuma 6
#9 Geisuberuto Warudemaaru Iriiku 5
#10 Piitaa Mariian 4

Latest patents

Publication Filing date Title
AU3905672A Improvements in and relating to metalclad switchgear
DE2154357A1 PRESSURE GAS SWITCH WITH WORKING TUBULAR CONTACT PIECES
AU3382071A Metalclad switch gear for high voltages
AU2672971A Improvements in and relating to composite electric switches for high voltage
US3649946A Electric contact devices
ES386406A1 A connection device for high voltage, with a metal wrap. (Machine-translation by Google Translate, not legally binding)
IE34775B1 Improvements in and realting to metal-clad switchgear for high voltage comprising cable terminal boxes
US3629661A Metal clad switchgear for high voltage comprising compartments adapted to be divided by movable transverse partition walls
GB1270897A Improvements in and relating to metal-clad switch-gear for high voltage comprising cable terminal boxes
US3712953A Conductor arrangement for metal clad electric distributing and/or switching plants for high voltage
US3657504A High tension metal clad switches including plug and socket contacts for eliminating strong electrical field concentrations
US3627940A Earthing switches
GB1275215A Improvements in and relating to metal clad double-break isolating switches for high voltage
US3619726A Metal clad switch plants for high voltages with obturating means for preventing destructive pressure rise
US3655935A Gas pressure damper means for a circuit breaker mechanism
US3649792A Gas-blast circuit breakers
US3646412A Cylindrical capacitors with gas dielectrics
US3641803A Methods for the manufacture of a contact strip folded in zigzag for a fixed switching contact and folding machines for performing said methods
US3599041A Isolator switches provided with grounding switch blades and ground responsive signalling and protective means
US3569641A Metal-clad isolator switches comprising earthing devices