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GULBRANSEN DICKINSON COMPANY

Overview
  • Total Patents
    22
About

GULBRANSEN DICKINSON COMPANY has a total of 22 patent applications. Its first patent ever was published in 1906. It filed its patents most often in United States. Its main competitors in its focus markets consumer goods, audio-visual technology and machines are WILCOX & WHITE CO, BRAND GEORGE P and AUTO PNEUMATIC ACTION COMPANY.

Patent filings in countries

World map showing GULBRANSEN DICKINSON COMPANYs patent filings in countries
# Country Total Patents
#1 United States 22

Patent filings per year

Chart showing GULBRANSEN DICKINSON COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gulbransen Axel G 14
#2 Gulbransen Christian 2
#3 Freborg Charles 1
#4 Thompson Thomas B 1
#5 Gulbranson Christian 1
#6 Hales Charles W 1
#7 Martin John D 1
#8 Bergland Carl 1
#9 Thorn Oscar F 1

Latest patents

Publication Filing date Title
US1524269A Instruction roll for player pianos
US1504552A Advertising device
US1391107A Player-piano
US1288759A Advertising device.
US1486186A Key-slip and fall-roard construction for player planos
US1243460A Portable planing-machine.
US1349273A Piano-player action
US1192891A Player-piano pedal.
US1274535A Player-piano mechanism.
US1276314A Tempo-lever mechanism for automatic playing-pianos.
US1159374A Pneumatically-operated piano.
US1150861A Automatically-operated piano.
US1078673A Automatically-operated piano.
US991718A Pneumatic piano-action.
US998171A Pneumatic for automatic player-pianos.
US972182A Pedal mechanism for pneumatically-operated pianos.
US929301A Tracker-board mechanism for pneumatically-operated pianos.
US903285A Clamping mechanism for pneumatically-operated pianos.
US936447A Pedal mechanism.
US913378A Automatic playing-piano.