LEA HENRY I

Overview

Total Patents

11

About

LEA HENRY I has a total of 11 patent applications. Its first patent ever was published in 1905. It filed its patents most often in United States. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are CHARLES SEAILLES JEAN, SEAILLES JEAN CHARLES and YUNNAN WENSHAN ALUMINUM CO LTD.

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Patent filings in countries

World map showing LEA HENRY Is patent filings in countries

#	Country	Total Patents
#1	United States	11

Patent filings per year

Chart showing LEA HENRY Is patent filings per year from 1900 to 2020

Similar Companies

CHARLES SEAILLES JEAN 87% similarity

SEAILLES JEAN CHARLES 83% similarity

YUNNAN WENSHAN ALUMINUM CO LTD 83% similarity

ALCOA AUSTRALIA 81% similarity

KALUNITE COMPANY 81% similarity

NAJMR STANISLAV 80% similarity

KALI VEB K 80% similarity

NORTH AMERICAN COAL CORP 78% similarity

KNAUF RES COTTRELL 78% similarity

MARINE CHEMICALS COMPANY LTD 77% similarity

Focus industries

#	Industry
#1	Materials and metallurgy
#2	Basic materials chemistry
#3	Chemical engineering
#4	Machines

Focus technologies

#	Technology
#1	Rare-earth metal compounds
#2	Separation
#3	Liquid hydrocarbon mixture production
#4	Unspecified technologies
#5	Producer gas production

Top inventors

#	Name	Total Patents
#1	Lea Henry I	11
#2	Humphrey Clifford W	6

Latest patents

Publication	Filing date	Title
US1990831A	1933-08-05	Distillation process and apparatus
US1971492A	1932-10-10	Still and evaporation apparatus
US1889254A	1930-05-14	Still
US1845159A	1928-05-05	Distillation system
US1558897A	1923-06-20	Aluminum chloride process
US1546289A	1923-06-20	Aluminum chloride process
US1646733A	1923-06-20	Aluminum-chloride process
US1646732A	1923-06-20	Aluminum-chloride process
US1713968A	1922-05-31	Aluminum-chloride process
US1606246A	1922-05-26	Process of treating hydrocarbons
US873250A	1905-07-24	Gas manufacture.