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BRIDGEPORT BRASS CO

Overview
  • Total Patents
    281
About

BRIDGEPORT BRASS CO has a total of 281 patent applications. Its first patent ever was published in 1896. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machines, machine tools and mechanical elements are IMP BRASS MFG CO, LONG FRED R and MCDONALD MACHINE CO.

Patent filings in countries

World map showing BRIDGEPORT BRASS COs patent filings in countries
# Country Total Patents
#1 United States 191
#2 Canada 65
#3 United Kingdom 12
#4 France 9
#5 Germany 3
#6 Switzerland 1

Patent filings per year

Chart showing BRIDGEPORT BRASS COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stapley William S 24
#2 Clark Walter R 19
#3 Oakley Erastus G 19
#4 Broecker Lewis C 18
#5 Efford John T 14
#6 Rhind Frank 10
#7 Steer Donald E 9
#8 Hiertz Arthur J 9
#9 Bulow Carl L 8
#10 Limont Alexander W 8

Latest patents

Publication Filing date Title
US3180349A Tubeless tire valve
US3011236A Four-cord equalizer for venetian blind lift cords
GB920878A Tubeless tire valve
US2923620A Anti-biofouling copper-base alloy
GB817185A Improvements in process for brazing metal surfaces together
GB842048A Improvements in anti-biofouling copper-base alloy
US2938561A Snap-on tubeless truck tire valve
US2887375A Anti-biofouling copper-base alloy
US2881728A Pressure-applying fixture
US3001277A Process for pattern brazing metal surfaces together
US2887374A Anti-biofouling copper-base alloy
US2781938A Covered skillet and bracket combination
US2845698A Method of making composite metal and product thereof
US2837134A Tubeless tire valve stem
US2757964A High pressure fluid dispensing device
US2707287A Sink strainer and stopper assembly
US2737293A Vitreous lubricated metal hot-working
US2723925A Removing vitreous lubricant from metal
US2695814A Single discharge fluid dispensing device
US2695766A Intermittently acting fluid valving device