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LUDVIG RINMAN ERIK

Overview
  • Total Patents
    12
About

LUDVIG RINMAN ERIK has a total of 12 patent applications. Its first patent ever was published in 1907. It filed its patents most often in United States and Canada. Its main competitors in its focus markets textiles and paper, machines and environmental technology are BRADLEY MCKEEFE CORP, TOMLINSON GEORGE H and ANDERSSON ALF OVE.

Patent filings in countries

World map showing LUDVIG RINMAN ERIKs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing LUDVIG RINMAN ERIKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ludvig Rinman Erik 12

Latest patents

Publication Filing date Title
US2034833A Method of treating organic waste liquors
US1879503A Method of relieving alkaline solutions, particularly waste liquors from the soda or sulphate pulp manufacture, of silica
US1906102A Method of alkalizing the waste liquors from the soda or sulphate pulp manufacture for the purpose of making them suitable for dry distillation
US1879502A Method of producing valuable products from vegetable substances
US1699808A Method of treating waste liquor
US1732772A Process of producing pure aluminum hydrate particularly from aluminum-containing raw materials rich in silica
US1638061A Method of dry distillation of alkalized waste liquor from the soda cellulose manufacture
US1609832A Process of pretreating wood chips in the production of soda cellulose
CA107249A Manufacture of alumina compounds