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DE BAUFRE WILLIAM LANE

Overview
  • Total Patents
    31
About

DE BAUFRE WILLIAM LANE has a total of 31 patent applications. Its first patent ever was published in 1932. It filed its patents most often in United States. Its main competitors in its focus markets chemical engineering, machines and thermal processes are PRITCHARD & CO J F, HANGZHOU HANGYANG CO LTD and VANDOR DAVID.

Patent filings in countries

World map showing DE BAUFRE WILLIAM LANEs patent filings in countries
# Country Total Patents
#1 United States 31

Patent filings per year

Chart showing DE BAUFRE WILLIAM LANEs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 De Baufre William Lane 31

Latest patents

Publication Filing date Title
US2506350A Process and apparatus for variable low temperature refrigeration
US2520626A Gas liquefaction process and apparatus
US2503939A Process and apparatus for removing water vapor and carb on dioxide from gases
US2486825A Nonreturn valve for low temperature
US2447741A Liquid oxygen pump
US2568223A Process and apparatus for extracting oxygen from atmospheric air
US2411711A Method and apparatus for separating and liquefying gases
US2380417A Process and apparatus for producing industrial oxygen
US2280383A Method and apparatus for extracting an auxiliary product of rectification
US2316056A Method and apparatus for rectifying fluid mixtures
US2213338A Method and apparatus for fractionating gaseous mixtures
US2240925A Rectification of gaseous mixtures
US2180200A Method and apparatus for separating ethylene from a gaseous mixture
US2075511A Heat exchanger
US2154668A Method and apparatus for separating ethylene from a gaseous mixture with ethane, methane, and hydrogen
US2097434A Apparatus for cooling and rectifying mixed gases
US2105214A Method and apparatus for cooling and rectifying gaseous mixtures
US2101167A Method of making and arrangement of interchanger for heat exchange between fluids at ow tem peratures
US2062781A Apparatus for discharging liquefied gases from a vessel below atmospheric temperature
US2128692A Method and apparatus for separating air