Learn more

KROPACHEV IGOR G

Overview
  • Total Patents
    55
About

KROPACHEV IGOR G has a total of 55 patent applications. Its first patent ever was published in 1975. It filed its patents most often in USSR (Union of Socialist Soviet Republics). Its main competitors in its focus markets environmental technology are YOUYU CHEN, EGOROV ALEKSEJ VASIL EVICH and FOSHAN SHENFENG AVIAT SCIENCE & TECHNOLOGY CO LTD.

Patent filings in countries

World map showing KROPACHEV IGOR Gs patent filings in countries
# Country Total Patents
#1 USSR (Union of Socialist Soviet Republics) 55

Patent filings per year

Chart showing KROPACHEV IGOR Gs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Kropachev Igor G 55
#2 Brusova Marta A 4
#3 Budilov Vladimir N 3
#4 Kazak Vladimir A 2
#5 Kostromina Galina E 2
#6 Mashtakov Leonid M 1
#7 Fedin Georgij R 1
#8 Belikov Vladimir A 1
#9 Kajnov Sergej G 1

Latest patents

Publication Filing date Title
SU1709248A1 Device for checking resistance of insulation
SU1741240A1 Electronic voltage corrector
SU1511740A1 Device for stepped control of a.c. voltage
SU1290384A1 Method and apparatus for checking and controlling operation of electric network
SU1259394A1 Device for protection of electric installation against abnormal operation conditions
SU1348940A1 Arrangement for protecting of three-phase installation from abnormal duties
SU1274064A1 Device for protection of three-phase electric installation against switching in use under break-down of insulation
SU1233240A1 Device for checking insulation resistance of electric load
SU1225733A1 Method of welding arc power supply and device for effecting same
SU1343397A1 Device for stabilizing electric consumer supply voltage
SU1140201A1 Device for protection of electric installation
SU1130939A1 Device for protecting electric installation against overload
SU974490A1 Electric load protection device
SU983875A1 Method and apparatus for protection of electric installation
SU902095A1 Timer
SU951540A1 Device for protecting electric motor
SU928512A1 Device for overtemperature protection of electric motor
SU949734A1 Photorelay
SU945936A1 Device for protecting electric installation
SU920940A1 Device for protecting electric equipment from overheat