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WALTHAM WATCH CO

Overview
  • Total Patents
    74
About

WALTHAM WATCH CO has a total of 74 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States, France and Spain. Its main competitors in its focus markets measurement, machines and computer technology are PIBOR SA, NARDIN ULYSSE SA and E INGRAHAM CO.

Patent filings in countries

World map showing WALTHAM WATCH COs patent filings in countries
# Country Total Patents
#1 United States 68
#2 France 4
#3 Spain 1
#4 United Kingdom 1

Patent filings per year

Chart showing WALTHAM WATCH COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ohlson Olof 12
#2 Fitch Ezra C 4
#3 Jean Fink 4
#4 Nicholas Nazar 3
#5 Alfred Hemmingson 3
#6 Olof Ohlson 3
#7 Tesla Nikola 3
#8 Glass Jerome 2
#9 Emmert Arthur P 2
#10 Pierre Dumaine 2

Latest patents

Publication Filing date Title
US3491532A Watch movement seal and shock absorber
US3473319A Watch crystal and casing assembly
US3222894A Lighter
US3134251A Lighter
US2371697A Swaging tool
US2377276A Electric clock
US2362021A Electric dashboard instrument
US2335904A Electric alarm clock
US2291456A Method of making frame plates for watches and the like
US2266015A Electric clock
US2292265A Clock motor
US2291455A Method of making balance wheels
US2273848A Indicating device
US2328485A Indicating instrument
US2231288A Zero setting means for plural counters
US2262437A Clutch mechanism for counters
US2238920A Counter resetting device
US2238071A Electric dashboard gauge for automobiles
US2144373A Resetting means for counters
US2151197A Compensating spring and alloy for timepieces