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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 7 | |
#2 | France | 7 | |
#3 | Belgium | 5 | |
#4 | United Kingdom | 4 | |
#5 | Norway | 4 | |
#6 | Austria | 3 | |
#7 | Spain | 3 | |
#8 | Sweden | 3 | |
#9 | United States | 3 | |
#10 | Brazil | 2 | |
#11 | Ireland | 2 | |
#12 | Italy | 2 | |
#13 | Canada | 1 | |
#14 | Switzerland | 1 | |
#15 | Egypt | 1 | |
#16 | Netherlands | 1 | |
#17 | Yugoslavia (Serbia and Montenegro) | 1 | |
#18 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Environmental technology | |
#3 | Machines | |
#4 | Basic materials chemistry | |
#5 | Thermal processes | |
#6 | Chemical engineering |
# | 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 |
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 |