Patents by Inventor José María Del Castillo Miró

José María Del Castillo Miró 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).

  • Patent number: 7467641
    Abstract: A metering valve for hydrofluoric plants, comprising a flow chamber for the flow of the fluid, housing a plug and having an inlet passage and another outlet passage, a guide body through which the actuator stem for actuating the plug member runs, and an actuator head. The flow chamber internally has guides parallel to the stem which guide the plug. A ring constituted of an iron, copper and nickel alloy is screwed in at the outlet passage.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: December 23, 2008
    Assignee: Petroquimica Espanola, S.A.
    Inventor: José María Del Castillo Miró