INTERNAT SMELTING & REFINING C has a total of 11 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States. Its main competitors in its focus markets materials and metallurgy, surface technology and coating and electrical machinery and energy are METALLURG DE HOBOKEN SA SOC GE, DRINKARD RES AND DEV CORP and ANTOINE HENRI IMBERT.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Surface technology and coating | |
#3 | Electrical machinery and energy |
# | Name | Total Patents |
---|---|---|
#1 | Olsen Rangwald S | 2 |
#2 | Wallace Shropshire William | 2 |
#3 | Hulme Philip M | 2 |
#4 | George Anderson | 2 |
#5 | Ghelardi Robert A | 2 |
#6 | Frohman Amson L | 1 |
#7 | Knox Jr William J | 1 |
#8 | Woll Wesley G | 1 |
#9 | Clayton Noddings William | 1 |
#10 | Kelly Richard A | 1 |
Publication | Filing date | Title |
---|---|---|
US2411940A | Refining zinciferous lead | |
US2442674A | Deleading zinc-lead fume | |
US2256481A | Producing flat-set copper shapes | |
US2265284A | Melting copper | |
US2297578A | Automatic constant current controller | |
US2258963A | Production of tellurium | |
US2341244A | Electrolytic production of alloys | |
US2333578A | Electrolytic chromate production | |
US2242634A | Electrolytic production of lead chromates | |
US2156420A | Metal vaporizing furnace | |
US2174559A | Vaporizing furnace for zinc and other metals |