Patents by Inventor Dan Dragulin

Dan Dragulin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250019231
    Abstract: A method for storing hydrogen in a metallic base material is disclosed along with material which can be obtained according to the method, and to the use of said material for providing hydrogen by releasing the hydrogen from the material. The method prevents disadvantages of conventional methods for storing H2. This is achieved in that hydrogen is stored by means of direct hydrogen enrichment of a metallic base material provided in the liquid or gaseous state and subsequent rapid solidification. An Al—Mg alloy or Al or Mg is used as the metallic base material. The material enriched with hydrogen contains hydrogen in the form of metal hydrides as well as in the dissolved form and as pores.
    Type: Application
    Filed: August 3, 2022
    Publication date: January 16, 2025
    Inventors: Dan DRAGULIN, Heinrich GÖDECKE, Jochen HOLDER, Karsten SEEHAFER
  • Patent number: 8574382
    Abstract: A cold-hardening aluminum casting alloy with good thermal stability for the production of thermally and mechanically stressed cast components, wherein the alloy includes from 11.0 to 12.0 wt % silicon from 0.7 to 2.0 wt % magnesium from 0.1 to 1 wt % manganese less than or equal to 1 wt % iron less than or equal to 2 wt % copper less than or equal to 2 wt % nickel less than or equal to 1 wt % chromium less than or equal to 1 wt % cobalt less than or equal to 2 wt % zinc less than or equal to 0.25 wt % titanium 40 ppm boron optionally from 80 to 300 ppm strontium and aluminium as the remainder with further elements and impurities due to production individually at most 0.05 wt %, in total at most 0.2 wt %. The alloy is suitable in particular for the production of cylinder crank cases by the die-casting method.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: November 5, 2013
    Assignee: Aluminium Rheinfelden GmbH
    Inventors: Dan Dragulin, Rudiger Franke
  • Publication number: 20120164021
    Abstract: A cold-hardening aluminium casting alloy with good thermal stability for the production of thermally and mechanically stressed cast components, wherein the alloy includes from 11.0 to 12.0 wt % silicon from 0.7 to 2.0 wt % magnesium from 0.1 to 1 wt % manganese less than or equal to 1 wt % iron less than or equal to 2 wt % copper less than or equal to 2 wt % nickel less than or equal to 1 wt % chromium less than or equal to 1 wt % cobalt less than or equal to 2 wt % zinc less than or equal to 0.25 wt % titanium 40 ppm boron optionally from 80 to 300 ppm strontium and aluminium as the remainder with further elements and impurities due to production individually at most 0.05 wt %, in total at most 0.2 wt %. The alloy is suitable in particular for the production of cylinder crank cases by the die-casting method.
    Type: Application
    Filed: May 20, 2008
    Publication date: June 28, 2012
    Applicant: ALUMINIUM RHEINFELDEN GMBH
    Inventors: Dan Dragulin, Rudiger Franke