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LEO CORP

Overview
  • Total Patents
    27
About

LEO CORP has a total of 27 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets basic materials chemistry, electrical machinery and energy and machines are TRIBORON INT AB, SELIN MATS and AFTON KEMIKAL CORP.

Patent filings in countries

World map showing LEO CORPs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 4
#3 France 3
#4 United Kingdom 3
#5 Germany 2
#6 Denmark 2
#7 Switzerland 1
#8 Spain 1

Patent filings per year

Chart showing LEO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mckone Leo J 8
#2 Lyons Willard E 8
#3 Guthmann Walter S 2
#4 Hirose Masatake 1
#5 Hashizume Hidehisa 1
#6 Mckone Leo James 1
#7 Lyons Willard Everett 1
#8 Hendricks Gerald Edmond 1
#9 Fujihira Chiyo 1
#10 Morin Michel 1

Latest patents

Publication Filing date Title
ES186728A1 Improvements introduced in the preparation of carbonate fuels
FR978904A Improvements relating to carbonaceous fuels
GB676204A Improvements in or relating to the combustion of heating fuel oils
US2460700A Method of operating an internal-combustion engine
FR50276E Method for operating an internal combustion engine
GB525890A Method of operating an internal combustion engine
US2151432A Method of operating internal combustion engines
US2156918A Stabilized solutions of metal-or-ganic compounds and method of making the same
US2197498A Stabilized solutions of metal organic compounds and method of making the same
US2144654A Method of increasing solubility of metal salts of beta carboxy compounds in motor fuels
US2086775A Method of operating an internal combustion engine
US2161184A Motor lubricating oil
US2149856A Lubricating oil
US2076038A Spark plug
US2055204A Spark plug
CA381291A Engine operating method
CA403967A Engine operating method
CA478738A Methods of operating internal combustion engines
CA477645A Methods of increasing combustion efficiency and compositions therefor