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DUPLIN NIKOLAJ

Overview
  • Total Patents
    19
About

DUPLIN NIKOLAJ has a total of 19 patent applications. Its first patent ever was published in 1978. It filed its patents most often in USSR (Union of Socialist Soviet Republics). Its main competitors in its focus markets environmental technology are KHARKIV POLYTECHNIC INST NAT TECHNICAL UNIV, SKIJ NI SKIJ I EHKSPERIME and SUZHOU 3CTEST ELECTRONIC TECHNOLOGY CO LTD.

Patent filings in countries

World map showing DUPLIN NIKOLAJs patent filings in countries
# Country Total Patents
#1 USSR (Union of Socialist Soviet Republics) 19

Patent filings per year

Chart showing DUPLIN NIKOLAJs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Duplin Nikolaj I 16
#2 Ivanov Sergej R 9
#3 Tishchenko Anatolij K 7
#4 Orlov Sergej I 4
#5 Pshenichnikov Vladimir I 4
#6 Orlov Sergej 3
#7 Pinigin Nikolaj Ya 3
#8 Duplin Nikolaj 3
#9 Minashkin Aleksandr V 3
#10 Nekipelov Nikolaj S 3

Latest patents

Publication Filing date Title
SU1479921A1 High-voltage stabilizer
SU1488765A1 Pulsed current controller
SU1513578A1 D.c. voltage converter
SU1367003A1 H.v.stabilizer
SU1330617A1 High voltage regulator with reversible polarity of output voltage
SU1149354A1 Converter with rectangular external characteristic
SU1129629A1 Device for simulating storage battery
SU1089593A1 Simulator of chemical battery
SU907531A1 Single-cycle converter
SU855897A1 Stabilized dc converter
SU884054A1 Dc voltage-to-dc voltage converter
SU922962A1 Device for control of power transistorized switch
SU868924A1 Solar battery simulator
SU855859A1 Self-sustained electric power supply system
SU842752A1 Reversible dc voltage stabilizer
SU799079A1 Self-sustained power supply source
SU794622A1 Dc voltage stabilizer
SU843132A1 Secondary power supply source with sprecific shape of voltage-current characteristics
SU694937A1 Self-contained electric power supply system