CHICAGO DEV CO has a total of 62 patent applications. Its first patent ever was published in 1899. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and electrical machinery and energy are KB ALLOYS INC, CHENGDE TIANDA VANADIUM IND CO LTD and GEORG VON GIESCHES ERBEN.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 57 | |
#2 | Canada | 4 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Surface technology and coating | |
#3 | Electrical machinery and energy | |
#4 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Dean Reginald S | 38 |
#2 | Anderson Clarence T | 14 |
#3 | Travis Anderson Clarence | 6 |
#4 | Long James R | 3 |
#5 | Davis Charles W | 3 |
#6 | Moss Cresap M | 3 |
#7 | Hood Donald R | 2 |
#8 | Hood Stanley R | 2 |
#9 | Ambrose Paul M | 2 |
#10 | Coleman Clyde | 1 |
Publication | Filing date | Title |
---|---|---|
GB658264A | Hardened non-ferrous alloy | |
US2495063A | Heat-treatment of copper-nickel-manganese alloys | |
US2376869A | Alloys | |
US2453896A | Treatment of titanium | |
US2370320A | Magnesium base alloy | |
US2376868A | Magnesium alloy | |
US2349577A | Control member | |
US2348207A | Alloys | |
US2329186A | Alloys | |
US2315507A | Copper-base alloy | |
US2324528A | Copper-aluminum-manganese alloy | |
US2347706A | Copper-zinc-manganese alloy | |
US2378916A | Manganese alloys | |
US2376867A | Manganese alloys | |
US2325044A | Manganese alloys | |
US2317979A | Manganese-base alloy | |
US2267301A | Alloy | |
US2267300A | Alloy | |
US2270868A | Hardened nonferrous alloys | |
US2250470A | Manganese alloy |