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NITROGEN CORP

Overview
  • Total Patents
    132
About

NITROGEN CORP has a total of 132 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets materials and metallurgy, environmental technology and chemical engineering are PATENTVERWERTUNGS A G ALPINA S, HANS HARTER DR and KAMEYAMA HIDEO.

Patent filings in countries

World map showing NITROGEN CORPs patent filings in countries
# Country Total Patents
#1 United States 44
#2 Canada 37
#3 France 23
#4 United Kingdom 20
#5 Germany 5
#6 Switzerland 3

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Collins Clancy John 31
#2 Clancy John Collins 26
#3 Wakeford William T 7
#4 Arnold Edward E 7
#5 Arnold Edwin H 6
#6 Clair Jr Palmer St 3
#7 Nitrogen Corporation The 3
#8 Adriaan Nagelvoort 2
#9 Nagelvoort Adriaan 2
#10 Brown Charles O 1

Latest patents

Publication Filing date Title
US1611401A Process for the manufacture of sodium bicarbonate and the production of nitrogen
US1507561A Closure for barrels and the like
DE418138C Method of making steel by wind refining
GB216198A Improved process for the manufacture of steel and the fixation of nitrogen
GB188652A Improvements in and relating to drying gases
GB186912A Improvements in process and apparatus for synthesizing ammonia
DE402753C Process for the preparation of suspensions or solutions of cellulose nitrate
DE388633C Process for the production of cellulose ester solutions and masses
GB182488A Improvements in and relating to solutions of cellulose esters
GB189416A Improvements in and relating to solutions of cellulose esters
GB190694A Method of treating cellulose esters
GB180314A Improvements in and relating to synthesis of ammonia
US1544812A Method of treating cellulose nitrate and the formation of cellulose compounds
US1518421A Process for the separation of ammonia from its formative gases
US1544811A Method of treating cellulose nitrates
US1526529A Process for the production of hydrogen
US1483414A Process of regenerating ammonia-synthesis catalysts
US1439293A Method of making cellulose compounds
US1544810A Method of treating cellulose compounds
US1463279A Method of drying gases