Learn more

FEJGIN LEV ZALMANOVICH

Overview
  • Total Patents
    18
About

FEJGIN LEV ZALMANOVICH has a total of 18 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Russian Federation. Its main competitors in its focus markets electrical machinery and energy and control are SODILEC SA, EVERS POUL HAHN and VALOR ELECTRONICS INC.

Patent filings in countries

World map showing FEJGIN LEV ZALMANOVICHs patent filings in countries
# Country Total Patents
#1 Russian Federation 18

Patent filings per year

Chart showing FEJGIN LEV ZALMANOVICHs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Fejgin L Z 10
#2 Levinzon S V 9
#3 Fejgin Lev Zalmanovich 8
#4 Mikhalev S I 5
#5 Mikhalev Sergej Ivanovich 4
#6 Levinzon Sulejman Vladimirovic 3
#7 Kosoj Petr L Vovich 3
#8 Bitushan E I 2
#9 Kotov Boris Borisovich 2
#10 Fejgin Igor L Vovich 2

Latest patents

Publication Filing date Title
RU2406206C1 Control unit for three-phase asynchronous motor operation
RU2377630C1 Stabiliser of ac voltage with elements of protection and back-up (versions)
RU2304833C1 Electrical equipment ground fault test system and equipment operator protective gear
RU2208285C1 N0-break power supply system for ac current and voltage users
RU2208284C1 No-break power supply system for users
RU2189603C2 Device testing insulation resistance and protecting electrotechnical installation with suppression of field of electric energy generator
RU2183375C2 Device to protect and test resistance of insulation of electric apparatuses
RU2158954C1 Alternating current voltage stabilizer
RU2136037C1 Phase-failure protective gear for group of three- phase motors
RU2130689C1 Three-phase electrical machine
RU2118029C1 Three-phase load protective gear
RU2117372C1 Integrated protective gear for three-phase loads
RU2100837C1 Alternating voltage stabilizer
RU2115986C1 Device for complex protection of electric system
RU94012377A Gear for combined protection of three-phase loads
RU94001235A Combined three-phase load protective device
RU2111596C1 Electric motor protective device
RU2061288C1 Phase-failure protective device for trouble-free operation of induction motor