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DOYLE EARL N

Overview
  • Total Patents
    12
About

DOYLE EARL N has a total of 12 patent applications. Its first patent ever was published in 1960. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets machines, macromolecular chemistry and polymers and chemical engineering are HEBRON S A, OESTERGAARD HANS JOERGEN and ANTON ELISABETH.

Patent filings in countries

World map showing DOYLE EARL Ns patent filings in countries

Patent filings per year

Chart showing DOYLE EARL Ns patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Doyle Earl N 12
#2 Carson Scott 4
#3 Crull Anna W 1
#4 Kiryako Arvanetakis 1
#5 Garza Xavier 1
#6 Trevino Rene 1
#7 Hicks Richard S 1

Latest patents

Publication Filing date Title
CA2075975A1 Process for producing n=c=o foams and the controlled pre- and post-expansion thereof
US5120770A Use of liquid carbon dioxide as a blowing agent in the production of open-cell polyurethane foam
US4337318A Process for the total pre-expansion of polyurethane foam
US4248811A Safety tires, methods and equipment therefor
US4001180A Polyurethane curing agent
US3949362A Motor vehicle stopping distance warning apparatus and method
US3058137A Pipe line treating apparatus