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DUNN INC WENDELL E

Overview
  • Total Patents
    51
About

DUNN INC WENDELL E has a total of 51 patent applications. Its first patent ever was published in 1970. It filed its patents most often in Germany, France and Belgium. Its main competitors in its focus markets materials and metallurgy, environmental technology and machines are STOPPANI P & CO, HUGHES MITCHELL PROCESSES INC and ASARCO LLC.

Patent filings per year

Chart showing DUNN INC WENDELL Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dunn Jr W E 6
#2 Dunn W E Jr 4
#3 Dunn W E 4
#4 Earl Dunn Jun Wendell 3
#5 Dunn W 2
#6 Dunn Jun Wendell Earl 2
#7 Dunn Wandel Eral 1
#8 Eral Dunn Wandel 1
#9 Dunn Wendell E 1
#10 Wendell Esarl Dunn 1

Latest patents

Publication Filing date Title
US4353740A Chlorine extraction of gold
DE2528894A1 Synthetic rutile titania mfr. - simultaneously producing chlorine and ferric oxide from gaseous iron chlorides
GB1459967A Process for beneficating chlorine and iron oxide
DE2220870A1 Process for condensing ferric chloride gases
DE2220880A1 NEW TITANIUM DIOXYDE PREPARATION
EG10873A Dual flue condenser used for separation of iron chlorides
GB1393786A Process for beneficiating titaniferous ores
GB1355459A Process for fluidized bed cooling
IE34985B1 Recovery of titanium dioxide from ores thereof
DE2110610A1 Process for the production of chlorine by oxidation of ferric chloride complex with alkali metal chlorides
US3729543A Process for preparing alkali-metal tetra-chloroferrate
US3699206A Process for beneficiation of titaniferous ores