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NAT PRESSURE COOKER CO

Overview
  • Total Patents
    73
About

NAT PRESSURE COOKER CO has a total of 73 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets furniture and games, machines and machine tools are DINGERKUS GEB, ALUMINUM GOODS MFG COMPANY and WEST BEND ALUMINUM CO.

Patent filings in countries

World map showing NAT PRESSURE COOKER COs patent filings in countries
# Country Total Patents
#1 United States 36
#2 Canada 17
#3 United Kingdom 8
#4 Denmark 5
#5 Switzerland 4
#6 France 3

Patent filings per year

Chart showing NAT PRESSURE COOKER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wittenberg Edward H 22
#2 Carl Nelson 12
#3 Buske Gilbert E 9
#4 Cooker Company National Pressu 4
#5 Maykemper Henry 2
#6 Haney Thomas G 2
#7 Edgar Jordan 1
#8 Henry Maykemper 1
#9 Jordan Edgar 1
#10 Lind Donald K 1

Latest patents

Publication Filing date Title
US2627836A Throttle control for outboard motors
US2634882A Filler and cap construction
GB667380A Improvements in or relating to pressing irons
US2627312A Case for condition indicating device
GB648039A Improvements in or relating to cooking utensils
US2627997A Safety lock for pressure cookers
GB648928A Improvements in or relating to steam irons
US2615265A Steaming and pressing iron
US2633870A Dead weight gauge for pressure cookers
GB670872A Improvements in pressure cookers
US2494742A Engine construction and cooling method
US2489478A Outboard motor unit construction
US2488199A Steering handle means
US2428199A Internal-combustion engine
US2478858A Vibration dampening mounting for outboard motor handles
US2429149A Pressure release device
US2633867A Pressure indicating and relief vale
US2395602A Pressure cooker
US2428483A Pressure indicating and release valve
US2368795A Pressure cooker