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TWOMEY LEE S

Overview
  • Total Patents
    17
About

TWOMEY LEE S has a total of 17 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States. Its main competitors in its focus markets chemical engineering, machines and materials and metallurgy are LINDE S EISMASHINEN A G GES, HENAN XINLIANXIN SHENLENG ENERGY CO LTD and AIR LIQUIDE PROCESS AND CONSTR.

Patent filings in countries

World map showing TWOMEY LEE Ss patent filings in countries
# Country Total Patents
#1 United States 17

Patent filings per year

Chart showing TWOMEY LEE Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Twomey Lee S 17

Latest patents

Publication Filing date Title
US2663169A Manipulation of nitrogen-contaminated natural gases
US2696088A Manipulation of nitrogen-contaminated natural gases
US2096215A Device for introducing liquids into pressure vessels
US2146197A Method of and apparatus for separating mixed gases and vapors
US2044372A Reboiler and condenser
US2070100A Fractionating tower
US2052855A Device for introducing liquids into pressure vessels
US2070098A Method of removing hydrogen sulphide from hydrocarbon gases
US2062537A Method of separating gases by freezing
US2070099A Method of separating and purifying gases
US2050511A Method of separating and purifying gases
US2057804A Method of separating the constituents of air
US2090163A Method of liquefying and storing fuel gases
US2082189A Method of liquefying and storing fuel gases
US2022165A Method of separating and purifying hydrogen