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GRIFFIN IRA L

Overview
  • Total Patents
    12
About

GRIFFIN IRA L has a total of 12 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States and Canada. Its main competitors in its focus markets chemical engineering, basic materials chemistry and textiles and paper are FORNE CONRADO VALLS, LUIGI MASCELLI and RUDOLF THEN FAERBEREIMASCHINEN.

Patent filings in countries

World map showing GRIFFIN IRA Ls patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing GRIFFIN IRA Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Griffin Ira L 12
#2 Griffin William A 1
#3 Morriss Caddis F 1

Latest patents

Publication Filing date Title
US2926429A Apparatus for drying warp and the like
US2794236A Apparatus for sizing yarn
US2763912A Heated cover for slasher size box
US2698985A Yarn sizing apparatus for slashers and method
US2698984A Apparatus for sizing yarn
US2698983A Closed cover for slasher size boxes
US2568446A Method and means for intermittently treating sized yarn
US2520597A Method of making flour size
US2394683A Poisoning composition and method
US2185747A Method and means for treating yarn
US2074745A Method and means for treating yarn
CA551138A Heated cover for slasher size box