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THELMA MCCOLLUM

Overview
  • Total Patents
    38
About

THELMA MCCOLLUM has a total of 38 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States. Its main competitors in its focus markets transport, environmental technology and thermal processes are INFLIGHT CANADA INC, ZIM FLUGSITZ GMBH and UNITED TECH ADVANCED PROJECTS INC.

Patent filings in countries

World map showing THELMA MCCOLLUMs patent filings in countries
# Country Total Patents
#1 United States 38

Patent filings per year

Chart showing THELMA MCCOLLUMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Thelma Mccollum 33

Latest patents

Publication Filing date Title
US2443262A Ram operated aircraft heater with ram anti-icing means
US2488218A Aircraft heater with plenum chamber acoustical damping means
US2484385A Fluid fuel burning internalcombustion air heater
US2502332A Aspirator compressor type jet propulsion apparatus
US2485502A Jet propulsion means for helicopters
US2379018A Heater
US2395568A Heater
US2395418A Heater
US2395417A Aircraft heating apparatus
US2398106A Heater
US2385096A Heating apparatus
US2405317A Heater
US2388170A Stereoscopic television apparatus
US2400940A Gas detection apparatus
US2390380A Heater
US2380602A Heater
US2402971A Burner
US2403189A Heater
US2378781A Heating apparatus
US2393792A Heating apparatus