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GREIVULIS JANIS

Overview
  • Total Patents
    24
About

GREIVULIS JANIS has a total of 24 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Latvia.

Patent filings in countries

World map showing GREIVULIS JANISs patent filings in countries
# Country Total Patents
#1 Latvia 24

Patent filings per year

Chart showing GREIVULIS JANISs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Greivulis Janis 23
#2 Voitkans Janis 5
#3 Sniders Andris 3
#4 Bubnovs Roberts 2
#5 Grundulis Ansis 2
#6 Petrovs Sergejs 1
#7 Greivulis Zigurds 1
#8 Brazis Viesturs 1
#9 Janis Greivulis 1
#10 Galins Ainars 1

Latest patents

Publication Filing date Title
LV13788B Electric lighting source
LV13693B Converter of potential energy of the sea waves
LV13620B Renovation technique of single layer winding insulation of asynchronous machines
LV13490B Controllable generator of grid function
LV13476B Cogeneration plant
LV13432B Single-wire line for transmission of sinusoidal voltage
LV13431B Method of electric power transmission
LV13364B Biofuel power plant
LV13330B Electrical driving shaft
LV13057B Cascade of asynchronous electric motor drive
LV13031B Symmetrized single wire electric power line
LV13011B Frequency changer for power supply to one-, two- and thre-phase load at various frequencies from single-wired electric power line
LV12932B Controllable electric power line with single wire
LV12903B Method for sinusoidal voltage forming
LV12904B Three-phase bridge rectifier circuit with additional conductivity
LV12871B Cascade of generators
LV12709A Lezandra Polynomial Generator
LV12654A Braking system for asynchronous electric machine
LV12653A Synchronous electric drive
LV12551A Vibratory rectifier drive