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PRAXAIR CANADA INC

Overview
  • Total Patents
    12
About

PRAXAIR CANADA INC has a total of 12 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Canada, United States and Brazil. Its main competitors in its focus markets chemical engineering, medical technology and machines are TIANJIN HUASAIER GAS CO LTD, SCIENT GLASS TECHNOLOGY SINGAP and FLUORITE TECHNOLOGY COMPANY.

Patent filings in countries

World map showing PRAXAIR CANADA INCs patent filings in countries
# Country Total Patents
#1 Canada 6
#2 United States 4
#3 Brazil 1
#4 Republic of Korea 1

Patent filings per year

Chart showing PRAXAIR CANADA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Filipovic Dusanka 3
#2 Philipp Juergen D 3
#3 Sweatman Fraser 3
#4 Ho Chris Ka Kee 2
#5 Ka Kee Ho Chris 1
#6 Dray James Robert 1
#7 Philip Juergen D 1
#8 Miller Kenneth O 1
#9 Maric Radovan R 1
#10 Fisher Theodore Fringelin 1

Latest patents

Publication Filing date Title
US6314757B1 Cryogenic rectification system for processing atmospheric fluids
US6168685B1 Process FOR oxidation of concentrated black liquor
CA2034777A1 Gas cylinder gauge
US5231980A Process for the recovery of halogenated hydrocarbons in a gas stream
CA2026217C Automatic changeover manifold
CA2025446A1 Bar code label neck ring
CA1333697C Valve protector