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FRENCH EDWARD H

Overview
  • Total Patents
    17
About

FRENCH EDWARD H has a total of 17 patent applications. Its first patent ever was published in 1909. It filed its patents most often in United States and Canada. Its main competitors in its focus markets basic materials chemistry, chemical engineering and environmental technology are ZHEJIANG XINSONG RESIN CO LTD, AKTSCHOURIN JACOUB and VITEX S A.

Patent filings in countries

World map showing FRENCH EDWARD Hs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 6

Patent filings per year

Chart showing FRENCH EDWARD Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 French Edward H 17
#2 Withrow James R 1

Latest patents

Publication Filing date Title
US2332215A Distillation apparatus
US2278543A Distillation process
US2012125A Water soluble resinate production
US1997171A Production of pure by-products from resin-containing liquors
US1810472A Process of recovering resinous by-products in the manufacture of wood pulp
US1916104A Method of purifying resins and product produced thereby
US1889405A Process for producing water-soluble resinates
US1693586A Process of recovering resinous by-products in the manufacture of wood pulp
US1394488A Process of fractionally distilling mixtures containing hydrocarbons
US1150589A Process of producing pyroligneous acid.
CA132131A Method of and apparatus for producing pyroligneous acid
US1104978A Process of producing acetic acid.
CA368193A Resinous material processing
CA403446A Distillation apparatus
CA235080A Means of evaporating and distilling liquids
CA380743A Resinous material processing
CA403445A Distillation process