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KARL OSKAR LEON

Overview
  • Total Patents
    32
About

KARL OSKAR LEON has a total of 32 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets mechanical elements, machines and machine tools are XINCHANG COUNTY MEIZHU TOWN FUDA BEARING FACTORY, HAINING KOVE BEARING TECH CO LTD and NORDISKA KULLAGER AB.

Patent filings in countries

World map showing KARL OSKAR LEONs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 France 11
#3 Germany 4
#4 Austria 2

Patent filings per year

Chart showing KARL OSKAR LEONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leon Karl Oskar 11
#2 Lewis Charles Claude 1

Latest patents

Publication Filing date Title
GB307416A Improvements in self-adjusting roller bearings
GB317407A Improvements in and connected with ball and roller bearings
GB320912A Improvements in and relating to centreless grinding apparatus
GB289045A Improvements in double-row roller or ball bearings
GB244778A Improvements in or relating to anti friction bearings
GB249806A Improvements in roller bearings
GB234870A Improvements in and relating to advertising devices
GB200771A Improvements in chain hoists
GB206530A Improvements in ball or roller bearings
GB201980A Measuring instruments for grading discs or rollers
GB201981A Oil grinder for discs and rollers
GB202356A Improvements in and relating to the manufacture of rollers for roller bearings
GB181316A Improvements in and relating to roller bearings
GB193344A Improvements in and relating to roller bearings
GB140396A Improvements in roller bearings