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WARNER HUDNUT INC

Overview
  • Total Patents
    29
About

WARNER HUDNUT INC has a total of 29 patent applications. Its first patent ever was published in 1948. It filed its patents most often in United States, United Kingdom and Switzerland. Its main competitors in its focus markets organic fine chemistry, machines and medical technology are GLOBOPHARM AG, CHANGZHOU HIGH TECH RES INST OF NANJING UNIVERSITY and IRWIN.

Patent filings in countries

World map showing WARNER HUDNUT INCs patent filings in countries
# Country Total Patents
#1 United States 15
#2 United Kingdom 5
#3 Switzerland 3
#4 Denmark 2
#5 Spain 2
#6 Germany 1
#7 Ireland 1

Patent filings per year

Chart showing WARNER HUDNUT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frederick Leonard 5
#2 King John A 3
#3 Warner-Hudnut Inc 2
#4 Mcmillan Freeman H 2
#5 Wuest Heinz M 2
#6 Hoos Curtis George 2
#7 Hoos Curtis G 1
#8 Wessem Gijsbertus Van 1
#9 Sakal Emile H 1
#10 Reinhard John F 1

Latest patents

Publication Filing date Title
GB742138A Improvements in or relating to process of making hexamethylenebis-(trimethylammoniumchloride)
US2727893A N,n-dimethyl-n'-(n-octyl)-n'-heterocyclic ethylenediamines
US2774989A Molding apparatus
IE20688L Extraction of relaxin
GB726442A Improvements in or relating to the preparation of relaxin
US2712542A New series of 2-(3-pyridazonyl)-acids and their derivatives and method of preparing members of the series
US2662890A Products having physostigmine-like action
US2652417A 1, 2, 3, 10b-tetrahydrofluoranthene-10b-carboxylic acid
US2684369A Certain thienyl, cycloalkenyl acetamides
US2686186A Aminopropyl-2-thienyl-cycloalkenyl acetate
US2662887A Substituted esters of cyclic alcohols
US2684370A Certain aminoalkyl-2-thienyl-cycloalkenyl thiolacetates
US2684368A Basic esters of substituted thienyl acetic acids
GB705000A Improvements in or relating to molded articles and the manufacture thereof
GB711060A Improvements in or relating to the cold waving of hair and preparations therefor
ES198557A1 A procedure of making a cosmetic composition
US2640055A Amides
GB683337A Improvements in or relating to the preparation of antispasmodic compounds
US2652355A Fungicides
US2553993A Pyridine therapeutic compounds