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WHITE SEWING MACHINE CORP

Overview
  • Total Patents
    131
About

WHITE SEWING MACHINE CORP has a total of 131 patent applications. Its first patent ever was published in 1922. It filed its patents most often in United States, Canada and Spain. Its main competitors in its focus markets textiles and paper, machines and electrical machinery and energy are PFAFF AG G M, PFAFF IND MASCH and BATA SHOE FINANCIAL CORP.

Patent filings in countries

World map showing WHITE SEWING MACHINE CORPs patent filings in countries
# Country Total Patents
#1 United States 83
#2 Canada 41
#3 Spain 2
#4 United Kingdom 2
#5 Belgium 1
#6 Switzerland 1
#7 Germany 1

Patent filings per year

Chart showing WHITE SEWING MACHINE CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ayres Waldemar A 51
#2 Hamlett Sidney J 19
#3 Colegrove Nathaniel E 8
#4 Wiltshire Arthur J 8
#5 Colegrove Charles E 7
#6 Hillix Foster F 6
#7 Stevens Clarence E 5
#8 Archbold Ralph L 4
#9 Hohmann Richard K 4
#10 Balcom George A 2

Latest patents

Publication Filing date Title
US3119268A Liquid level indicating gage
US3038513A Carrying case for a sewing machine
US3075704A Thermostatic valve
US3035534A Sewing machine
US3068817A Zig-zag sewing machine
US3016541A Safety hat
US2971484A Dial speed mechanism for a sewing machine
US3074111A Apparatus for making a resin-bonded fiber glass cone
US3095993A Fiber glass tank
US3012922A Method and apparatus for forming fiber glass tubes
US2943586A Bobbin winding mechanism
US2945531A Apparatus for making a reinforced fiber glass tube
US2958304A Sewing machine
US2971485A Sewing machine
US2966935A Winding machine for pressure vessels
US3023135A Laminated fiber glass radome and method of making same
GB814037A Folding wringer
US2886390A Sewing machine
US2820623A Clothes drier
US2826083A Drive mechanism for spin-drier type washing machine