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NITROGEN ENGINEERING CORP

Overview
  • Total Patents
    19
About

NITROGEN ENGINEERING CORP has a total of 19 patent applications. Its first patent ever was published in 1925. It filed its patents most often in France, Germany and United States. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are HAROLD CECIL GREENWOOD, PATENTVERWERTUNGS A G ALPINA S and CEDERBERG IVAR WALFRID.

Patent filings in countries

World map showing NITROGEN ENGINEERING CORPs patent filings in countries
# Country Total Patents
#1 France 6
#2 Germany 5
#3 United States 3
#4 Canada 2
#5 Switzerland 1
#6 Finland 1
#7 United Kingdom 1

Patent filings per year

Chart showing NITROGEN ENGINEERING CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Richardson Ralph S 3
#2 Richardson Ralph Symonds 2
#3 Symonds Richardson Ralph 1
#4 Engineering Corporation Nitrog 1

Latest patents

Publication Filing date Title
US1921776A Synthetic production of methanol
DE574063C Ammonia pressure synthesis
DE545691C Process for removing ammonia from a recirculation system
US1707417A Synthetic production of ammonia
US1704214A Synthetic production of bodies from their component gases
CA296012A Synthetic production of bodies
CA296013A Synthetic production of ammonia