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MATTHEWS W N CORP

Overview
  • Total Patents
    165
About

MATTHEWS W N CORP has a total of 165 patent applications. Its first patent ever was published in 1921. 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 civil engineering are LAMY D ETUDES ET DE RECH S SOL, BK PATENT DEV and CHANCE CO AB.

Patent filings in countries

World map showing MATTHEWS W N CORPs patent filings in countries
# Country Total Patents
#1 United States 114
#2 Canada 39
#3 United Kingdom 8
#4 Austria 1
#5 Switzerland 1
#6 Germany 1
#7 France 1

Patent filings per year

Chart showing MATTHEWS W N CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Theodore Birkenmaier 69
#2 Birkenmaier Theodore 27
#3 Mosley Carl E 22
#4 Pierce Boll Lester 16
#5 Heinrich Walter A 11
#6 Boll Lester Pierce 9
#7 Matthews Claud L 8
#8 Brown Kenneth R 4
#9 Turner John L 4
#10 Matthews Claude L 4

Latest patents

Publication Filing date Title
US2614192A Fuse link
US2535822A Fuse switch
US2619565A Current limiter
US2560472A Line switching device
US2565631A Current limiter system
US2614189A Current limiter
US2518361A Current limiter
US2488601A Sectionalizing circuit breaker
US2525999A Expulsion fuse switch
US2506010A Electrical connector clamp
US2470576A Gang operated switch
US2448615A Switch
US2426857A Electrical connector
US2444745A Circuit control apparatus
US2462212A Protective switch
US2367090A Electric switch
US2321122A Reclosing circuit breaker
US2328415A Electrical contact clip
US2349609A Electrical protective device
US2327865A Electrical protective device