Learn more

AIR PROD INC

Overview
  • Total Patents
    136
About

AIR PROD INC has a total of 136 patent applications. Its first patent ever was published in 1943. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets chemical engineering, machines and mechanical elements are BLACK & VEATCH PRITCHARD INC, HAMWORTHY KSE GAS SYSTEMS AS and MESSER AGS GMBH.

Patent filings in countries

World map showing AIR PROD INCs patent filings in countries
# Country Total Patents
#1 United States 54
#2 United Kingdom 32
#3 Canada 28
#4 Germany 9
#5 France 7
#6 Spain 3
#7 Belgium 1
#8 Brazil 1
#9 Denmark 1

Patent filings per year

Chart showing AIR PROD INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schilling Clarence J 40
#2 Schilling Clarence John 10
#3 Anderson Carl R 8
#4 Steele Arthur E 4
#5 Twomey Lee S 3
#6 Fetterman Jay V 3
#7 Shanley James J 3
#8 Kaechele William H 3
#9 Daley Henry F 3
#10 Lauer Jr Albert W 2

Latest patents

Publication Filing date Title
GB892998A Improvements in or relating to methods and apparatus for separating gaseous mixtures
GB864855A Improvements in and relating to methods and apparatus for fractionating gaseous mixtures
GB884590A Improvements in or relating to the fractionation of gaseous mixtures
GB892069A Improvements in or relating to the production of hydrogen
US2960835A Separation of gaseous mixtures
GB873427A Apparatus and method for fractionation of gaseous mixtures
US2997854A Method and apparatus for separating gaseous mixtures
GB855200A Improvements in and relating to explosives
US2955909A Process for purifying gases and synthesis of ammonia therefrom
US2928278A Liquid level gauge
US2932174A Apparatus and method for fractionation of gas
GB847508A Improvements in pumping and vaporizing liquefied gases
US2973629A Method and apparatus for pumping liquefied gases
GB832701A Improvements in or relating to method and apparatus for transferring volatile liquids
US2896415A Liquefied gas pressurizing systems
US2955434A Method and apparatus for fractionating gaseous mixtures
GB845276A Improvements in or relating to double-walled liquefied gas containers
US2939778A Liquid explosive
US2946223A Gauge guard
US2968160A Method and apparatus for separating gaseous mixtures including high boiling point impurities