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FRANK WILLIAM H

Overview
  • Total Patents
    59
About

FRANK WILLIAM H has a total of 59 patent applications. Its first patent ever was published in 1904. It filed its patents most often in United States and Canada. Its main competitors in its focus markets electrical machinery and energy, machines and machine tools are HOLLANDSE APPARATENFAB, BULLDOG ELECTRIC PRODUCTS CO and VEDDER GEB.

Patent filings in countries

World map showing FRANK WILLIAM Hs patent filings in countries
# Country Total Patents
#1 United States 57
#2 Canada 2

Patent filings per year

Chart showing FRANK WILLIAM Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frank William H 59
#2 Fisher Lawrence E 14
#3 Harper Joseph W 7
#4 Messing Joseph A 7
#5 Platz Elwood T 3
#6 Fisher Lyman C 3
#7 Hollingsworth Clarence T 2
#8 Frank Robert L 1
#9 Harper William A 1

Latest patents

Publication Filing date Title
US2372267A Electrical distribution system
US2247195A Circuit breaker
US2229843A Switch
US2247194A Circuit breaker
US2230427A Electrical distribution system
US2230428A Switch
US2240180A Continuous outlet system
US2230426A Fused switch
US2244359A Switch unit
US2247193A Circuit breaker
US2241905A Switch
US2239419A Switch block and switch
US2179737A Switch
US2203462A Circuit breaker
US2202626A Circuit breaker
US2211109A Electrical distribution system
US2229842A Circuit breaker
US2170300A Continuous outlet construction
US2146813A Electrical distribution system
US2117307A Electrical distribution system