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HOUGHTON & CO E F

Overview
  • Total Patents
    134
About

HOUGHTON & CO E F has a total of 134 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and surface technology and coating are BEROL SUISSE SA, WAKEFIELD & CO LTD C C and TIANJIN AULOOP LUBRICANT TECH CO LTD.

Patent filings per year

Chart showing HOUGHTON & CO E Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Warchol Joseph F 23
#2 Holgado Rosauro V 11
#3 Munjat Francis S 11
#4 Smith Robert K 7
#5 Pressell George W 7
#6 Bohne William A 6
#7 Hedrick Glen W 5
#8 Costagliola Emil J 5
#9 Abrams Ellis 4
#10 Barber Sidney 4

Latest patents

Publication Filing date Title
US5523019A Defoamer composition
US4528044A Aqueous quenchants containing polyoxazolines and n-vinyl heterocyclic polymers and their use in quenching steel
AU555383B1 Water-based hydraulic fluid
US4486246A Polyoxazolines in aqueous quenchants
US4481125A Water-based hydraulic fluid
EP0116564A1 Polyether thickeners for water-based hydraulic fluids
AU1771483A Polyether thickeners for water-based hydraulic fluids
AU1511983A Metal quenching process
NL8300838A Aq. quenching baths for metal heat treatment - contg. salt of copolymer of alpha-olefin and unsatd. dicarboxylic acid
US4381205A Metal quenching process
US4404044A Method of quenching
AU5816280A Controlled cooling of metal
IT7948328D0 Hydraulic and cutting fluids - contg. glycol, alkanolamine, phosphate-modified condensation product, and boric acid
CA1105444A Dual-purpose hydraulic fluid
US3965712A Aqueous base post pickling and cold rolling fluid
US4087290A Process for the controlled cooling of ferrous metal
US3933661A Aqueous base post pickling and cold rolling fluid
US4010105A Oil-in-water emulsion hydraulic fluid
US3869342A Cationic thermosetting resin composition for improving wet strength of paper
US3869343A Cationic thermosetting resin for improving wet strength of paper