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FREDRICH OLSEN

Overview
  • Total Patents
    12
About

FREDRICH OLSEN has a total of 12 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and machines are JIANGXI JIRUN HUAPAO NEW MATERIAL TECH CO LTD, MINING SERVICE INT and HANS RATHSBURG DR.

Patent filings in countries

World map showing FREDRICH OLSENs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing FREDRICH OLSENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fredrich Olsen 12
#2 Bain Clarence J 2
#3 Aaronson Henry A 1

Latest patents

Publication Filing date Title
US1752391A Method of loading explosives
US1798270A Purification of cellulose esters
US1893677A Purification of nitrocellulose
US1801449A Apparatus for testing explosives
US1615343A Treatment of cellulose
US1758169A Explosive composition
US1705874A High-explosive composition
US1748455A Delay powder
US1593136A High explosive
US1558565A Shell filler
US1510555A Detonating or disruptive explosive
US1376030A Detonating or disruptive explosive