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DOUGHNUT MACHINE CORP

Overview
  • Total Patents
    47
About

DOUGHNUT MACHINE CORP has a total of 47 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, Austria and Germany. Its main competitors in its focus markets foods and drinks, machines and furniture and games are HAAS ING FRANZ JUN, WALTERWERK KIEL GMBH & CO KG and HAAS FRANZ SEN.

Patent filings in countries

World map showing DOUGHNUT MACHINE CORPs patent filings in countries
# Country Total Patents
#1 United States 37
#2 Austria 3
#3 Germany 3
#4 Canada 1
#5 Switzerland 1
#6 Spain 1
#7 France 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Hunter Herbert T 17
#2 Bergner John C 6
#3 Kaufmann James J 4
#4 Blinn Harry M 3
#5 Machine Corporation Doughnut 1
#6 Ainslie Morris D 1
#7 Edward Broeg William 1
#8 Bergner John Christian 1
#9 Bleier William D 1
#10 Christian Bergner John 1

Latest patents

Publication Filing date Title
US2025685A Cooking machine
US1900854A Alimentary product forming device
US1957961A Coating apparatus
US1927786A Method of and apparatus for cooking doughnuts and the like
US1966410A Baking apparatus
US1966411A Cooking apparatus
US1963020A Air compressing system
US1963913A Pulley
US2006832A Cooking apparatus
US1890991A Forming means for cooking apparatus
US1854148A Alimentary product forming device
US1904370A Automatic cooking apparatus
US1965241A Cooking apparatus
US1882476A Dry coating for alimentary products
US1808215A Turnover for automatic cooking apparatus
US1839180A Aliment forming device
US1825844A Aliment forming device
US1897558A Display device
US1817887A Cooking apparatus
US1823146A Cooking apparatus