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HANS WILSDORF

Overview
  • Total Patents
    25
About

HANS WILSDORF has a total of 25 patent applications. Its first patent ever was published in 1925. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets measurement and consumer goods are WILSDORF HANS, CENTRALE S A FAB and PIBOR ISO S A.

Patent filings in countries

World map showing HANS WILSDORFs patent filings in countries
# Country Total Patents
#1 United Kingdom 16
#2 United States 5
#3 Germany 4

Patent filings per year

Chart showing HANS WILSDORFs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Hans Wilsdorf 4
#2 Georges Perret 1
#3 Wilsdorf Hans 1

Latest patents

Publication Filing date Title
GB445684A Testing apparatus for fluid-tight casings
US2055568A Testing apparatus for fluid tight casings
US1910078A Winding crown for watches without a pendant
GB353751A Improvements in winding crowns for watches without a pendant
GB353722A Tool outfit for screwing milled backs on the bodies of hermetic watch cases
US1871936A Winding and setting device for timepieces
GB334491A Improvements in and relating to timepieces
GB334492A Improvements in and relating to timepieces
GB336522A Improvements in winding and setting means for use in hermetically-closing watches
GB336521A Improvements in winding and setting means for use in hermetically closing watches
GB304291A Fluid tight watch case
GB303102A Fluid-tight keyless watch
US1727531A Watchcase
GB274788A Improvements in or relating to keyless watches
GB274789A Improvements in or relating to watch cases
US1661232A Keyless watch
GB260554A Improvements in keyless watches
GB239149A Improvements in and relating to watches
GB236143A Improvements in and relating to watches
GB235118A Improvements in or relating to watch wristlets