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LYLE CALDWELL

Overview
  • Total Patents
    11
About

LYLE CALDWELL has a total of 11 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets chemical engineering, materials and metallurgy and machines are MEDALERT INC, SILIKEN CHEMICALS S L and MIDWEST REFRIGERANTS LLC.

Patent filings in countries

World map showing LYLE CALDWELLs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Germany 1
#3 United Kingdom 1

Patent filings per year

Chart showing LYLE CALDWELLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lyle Caldwell 6
#2 Alexander Greentree 2
#3 Seaton Max Y 1

Latest patents

Publication Filing date Title
US2693800A Nasal cannula
US2450549A Decolorizing vegetable oils with ferric salts and silicates
US2399984A Method and apparatus for the gaseous reduction of iron oxide in suspension
US2353970A Method of improving the physical properties of a synthetic hydrated magnesium silicate decolorizing material
US2367496A Method of improving the decolorizing properties of a synthetic hydrated magnesium silicate decolorizing materials
US2163527A Method of preparing a decolorizing material and of decolorizing liquids therewith
US2163526A Method of preparing a synthetic decolorizing composition
US2163525A Method of preparing a decolorizing material
GB452247A Production of hydrated magnesium silicate decolorizing materials
US2076545A Method of preparing a decolorizing material