NIPKTI PO CHERNA METALURGIA has a total of 13 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Spain, Germany and France. Its main competitors in its focus markets electrical machinery and energy, materials and metallurgy and environmental technology are NPP ELEKTROTERMIA, NIPKTI CHERNA METALURGIA and ELEKTROSTAHLANLAGEN MIT BESCHR.
# | Country | Total Patents | |
---|---|---|---|
#1 | Spain | 3 | |
#2 | Germany | 2 | |
#3 | France | 2 | |
#4 | Italy | 2 | |
#5 | Czechoslovakia | 1 | |
#6 | Netherlands | 1 | |
#7 | Sweden | 1 | |
#8 | Yugoslavia (Serbia and Montenegro) | 1 |
# | Name | Total Patents |
---|---|---|
#1 | Ninov E | 4 |
#2 | Valtschev A | 3 |
#3 | Valtschev Alexander Jordanov D | 1 |
#4 | Velev Velju Todorov Dipl Ing | 1 |
#5 | Krestenjakov Jordan Ivanov Dip | 1 |
#6 | Ninov Emil P | 1 |
#7 | Peev Vassil Georgiev Dipl Ing | 1 |
#8 | Pantaleev Dipl-Ing Ninov Emil | 1 |
#9 | Waltschew Alexander Jordanow D | 1 |
#10 | Valtschev A J | 1 |
Publication | Filing date | Title |
---|---|---|
ES442624A1 | Procedure for the production of steel in continuous current electric arc ovens. (Machine-translation by Google Translate, not legally binding) | |
ES411976A1 | Procedures for the manufacture of protective coverings on carbon electrodes. (Machine-translation by Google Translate, not legally binding) | |
CS221257B2 | Method of production of protective coatings on carbonous electrodes | |
YU26373A | Process for the manufacture of protective coatings on carbon electrodes | |
DE2305276A1 | Protective coating for carbon electrodes in electric furnaces - having high aluminium content and fixed with electric arc stabilized with magnetic field | |
NL175130B | Method for forming a protective coating on a carbon workpiece |