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BUNN CO B

Overview
  • Total Patents
    171
About

BUNN CO B has a total of 171 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets packaging and shipping, machines and agriculture are WUHU QINGYA PAPER CO LTD, HALOILA M OY AB and WENZHOU WEIPAI MACHINERY CO LTD.

Patent filings in countries

World map showing BUNN CO Bs patent filings in countries
# Country Total Patents
#1 United States 48
#2 United Kingdom 29
#3 Canada 23
#4 Switzerland 17
#5 Germany 17
#6 France 10
#7 Sweden 9
#8 Spain 8
#9 Austria 4
#10 Belgium 2
#11 Italy 2
#12 Japan 2

Patent filings per year

Chart showing BUNN CO Bs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Bunn Benjamin H 28
#2 Brown Robert G 13
#3 Ayres Jr Walter D 6
#4 Trent Joseph E 6
#5 Pierce Paul Jr 5
#6 Rosenberg Harold J 5
#7 Robert Gordon Brown 4
#8 Bunn Benjamin Harrison 4
#9 Pierce Jr Paul 4
#10 Joseph E Trent 4

Latest patents

Publication Filing date Title
US4230035A Method for improving tie material tension in package tying machines
CA1094443A Tensioner device for package tying machine
US4080886A Automatic clutch lock out mechanism for package tying machine
US4023837A Twine catcher and knife trap assembly for package tying machine
US3915483A Flexible drawback assembly for package tying machine
US3727959A Elliptical gear drive for bundle tying machine
US3708190A Dual tension string holder
US3680855A Pick-off head for sorting machine
US3540765A Intermittent drive for tying machine twine arm
US3456897A Twine supply holder
US3472157A Brake for twine arm of tying machine
ES332911A1 A machine stacker. (Machine-translation by Google Translate, not legally binding)
US3385206A Tying machine with intermittently driven motor
US3420368A Mail sorting machine
US3386370A Tying machine for making parallel ties
US3350998A Tilted bundle tying machine and conveyor feed therefor
US3264976A Control for conveyorized bundle tying system
US3282402A Conveyor chain and support therefor
US3294431A Knotter lock for tying machine
US3200738A Method of tying bundles while said bundles are in motion