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UNDERWOOD COMPUTING MACHINE CO

Overview
  • Total Patents
    298
About

UNDERWOOD COMPUTING MACHINE CO has a total of 298 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, France and Austria. Its main competitors in its focus markets computer technology, textiles and paper and machine tools are GARDNER COMPANY, GOLDBERG CALCULATING MACHINE COMPANY and THALESWERK G M B H.

Patent filings in countries

World map showing UNDERWOOD COMPUTING MACHINE COs patent filings in countries
# Country Total Patents
#1 United States 277
#2 France 10
#3 Austria 8
#4 Germany 3

Patent filings per year

Chart showing UNDERWOOD COMPUTING MACHINE COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wright Walter 55
#2 Hart Frederick A 43
#3 Degener Gustave O 39
#4 Stickney Burnham C 26
#5 Hanson Hans 11
#6 Carlin Samuel E 8
#7 Gumprecht William L 8
#8 Thomas Edward 7
#9 Pitman Henry L 6
#10 Main Fred F 5

Latest patents

Publication Filing date Title
US1617728A Typewriting machine
US1649329A Typewriting machine
US1623217A Typewriting machine
US1587989A Combined typewriting and computing machine
US1505489A Combined typewriting and computing machine
US1517474A Typewriting machine
US1458110A Computing machine
US1460469A Computing machine
US1571534A Computing machine
US1440610A Computing machine
US1414355A Computing machine
US1419172A Typewriting machine
US1438014A Computing machine
US1413999A Computing machine
US1370429A Computing-machine
US1370428A Computing-machine
US1370426A Computing-machine
US1396348A Combined typewriting and computing machine
US1357184A Combined typewriting and computing machine
US1355395A Typewriting-machine