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EMPRESA NACIONAL ALUMINIO

Overview
  • Total Patents
    118
About

EMPRESA NACIONAL ALUMINIO has a total of 118 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Spain, Austria and Germany. Its main competitors in its focus markets surface technology and coating, control and machines are DALIC SA, ELECTRO COATINGS and UNITED CHROMIUM INC.

Patent filings per year

Chart showing EMPRESA NACIONAL ALUMINIOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Pelaez Jose Garcia 7
#2 Martinez Dionisio Rodriguez 7
#3 Feliu Juan Gonzalez 6
#4 Gonzalez Feliu Juan 6
#5 Santa-Olalla Jose Luis Gazapo 5
#6 Lopez Isidoro De Miguel 5
#7 Pelaez J 5
#8 Gazapo Santa-Olalla Jose L 4
#9 Gazapo Santa-Olalla Jose Luis 4
#10 Martinez D R 3

Latest patents

Publication Filing date Title
ES8701859A1 Grey colouration of anodic layers on aluminium (alloys)
GB2077295A Process for electrolytically colouring aluminium and alloys thereof
CA1142477A Process for the electrolytic colouring of anodized aluminium
ES8102197A1 Procedure for the manufacture of an aluminum alloy sheet (Machine-translation by Google Translate, not legally binding)
ES8102164A1 Manufacturing procedure of a high density polyethylene aluminum complex. (Machine-translation by Google Translate, not legally binding)
ES485854A3 Procedure for the obtaining of a new aluminum alloy (Machine-translation by Google Translate, not legally binding)
ES485855A3 Procedure for obtaining aluminum paper (Machine-translation by Google Translate, not legally binding)
ES8205885A2 Process for the electrolytic coloring of aluminum or aluminum alloys
ES479415A3 Manufacturing procedure of aluminum-polyethylene high density complex. (Machine-translation by Google Translate, not legally binding)
ES477348A1 Procedure for the pre-treatment of aluminium materials, for the extraction of aluminium.
ES475317A1 Manufacturing procedure of the aluminum-polyethylene high density complex (Machine-translation by Google Translate, not legally binding)
ES474761A1 Process for electrolytic coloring of anodized aluminum. (Machine-translation by Google Translate, not legally binding)
ES474762A1 System for evaluating the degree of cleanliness in the detection of oxides during tapping.
ES474736A1 System for generating and autocontrolling the voltage or current wave form applicable to processes for the electrolytic coloring of anodized aluminium
DD140762A5 System for generating dc in electrolytic processes
GB1584288A System for producing direct current for electrolytic processes
PT65700A Automatic control system and regulation of the average value of the voltage applied in electrolytic coloring processes of anodized aluminum
ZA7606031B System for autocontrolling and regulating the average value of the voltage applied to processes for the electrolytic colouring of anodized aluminium
NZ182242A Thyristor current control for anodising aluminium
ES438552A1 Improvements in aluminum cold lamination procedures. (Machine-translation by Google Translate, not legally binding)