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LELAND ELECTRIC CO

Overview
  • Total Patents
    101
About

LELAND ELECTRIC CO has a total of 101 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are KIENLE & SPIESS STANZ & DRUCK, ELMOTEC STATOMAT VERTRIEBS GMBH and INDUSTRA PRODUCTS.

Patent filings in countries

World map showing LELAND ELECTRIC COs patent filings in countries
# Country Total Patents
#1 United States 64
#2 Canada 16
#3 United Kingdom 8
#4 France 7
#5 Germany 4
#6 Austria 1
#7 Switzerland 1

Patent filings per year

Chart showing LELAND ELECTRIC COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leland George H 57
#2 Moore Thomas W 13
#3 Wiseman Walter S 3
#4 Bossard Gisbert L 3
#5 George Earl B 3
#6 Briggs Eugene C 2
#7 Wallace Bernard E 1
#8 Electric Company The Leland 1
#9 Lyden Frank J 1
#10 Waters Robert S 1

Latest patents

Publication Filing date Title
US2557901A Alternating current excited frequency changer
US2539747A High-speed rotor for dynamoelectric machines
GB645085A Improvements in or relating to a brush lifting mechanism
US2475276A Brush lifting mechanism
US2509898A Quick reversing electric motor
GB595133A Improvements in and relating to carbon pile electric regulators
US2396595A Regulating mechanism
US2396596A Regulating mechanism
US2487328A Dynamoelectric machine
US2383669A Dynamoelectric machine
US2396594A Insulation remover
US2383143A Regulating mechanism
US2396593A Regulating mechanism
US2236436A Condenser induction motor
US2136699A Circuit controlling device
US2198502A Thermal switch
GB476276A Improvements in or relating to thermally-controlled electric circuit-breakers
US2142731A Position reversing device
US2136698A Circuit controlling device
US2113451A Device for controlling the axial thrust of a shaft