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BIG DUTCHMAN INC

Overview
  • Total Patents
    54
About

BIG DUTCHMAN INC has a total of 54 patent applications. Its first patent ever was published in 1963. It filed its patents most often in United States, Germany and France. Its main competitors in its focus markets agriculture, machines and environmental technology are SUEDDEUTSCHER STALLEINRICHTUNG, ANDRE MEULNART and BRONSON REEL COMPANY.

Patent filings in countries

World map showing BIG DUTCHMAN INCs patent filings in countries
# Country Total Patents
#1 United States 32
#2 Germany 6
#3 France 5
#4 United Kingdom 5
#5 Spain 4
#6 Brazil 1
#7 Switzerland 1

Patent filings per year

Chart showing BIG DUTCHMAN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jewel Graves 10
#2 Huis Robert L Van 9
#3 Kurtz John S 7
#4 Hart John F 4
#5 Haggard Richard A 3
#6 Rigterink Preston D 3
#7 Bares Edward F 2
#8 Essink Jerome M 2
#9 Voran Willis R 2
#10 J Graves Jewel 1

Latest patents

Publication Filing date Title
US2007163280A1 Evaporative cooling system for poultry houses and the like
US5964184A Continuous operating distribution hopper
US5794562A Poultry breeder pan feeding system and pan feeder assembly therefor
US5406907A Controlled pan feeder system for poultry
US3702109A Animal cage construction and method for construction panel therefore
US3389689A Poultry feeder and suspended unit support
US3385195A Air inlet for animal houses and the like
US3394681A Animal feeder construction
US3349753A Automatic weight operated poultry feeding device
ES320078A1 An installation of caules for poultry. (Machine-translation by Google Translate, not legally binding)
US3330254A Poultry cage and bottom gate construction
US3312328A Feed intake for feeder hopper
US3313271A Poultry cage system with bird retainer and bottom supporting means
US3311087A Poultry cage row support system
GB1043958A Poultry cage apparatus
US3292586A Feed-return apparatus for automatic feeding conveyors
US3380477A Hydraulic control reversing valve
US3288231A Egg weighing apparatus
US3272400A Feed saver for automatic feed apparatus
GB1022549A Egg handling apparatus