Patents by Inventor Miguel Aleman

Miguel Aleman 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: 5398862
    Abstract: An apparatus for providing a gas shield includes two radially adjustable walls disposed in spaced relation to each other along a substantially common central axis, each wall including a plurality of radially oriented wall segments defining a substantially flat, round wall having a circumference; a wedge structure for radially displacing the plurality of radially oriented wall segments between an expanded position wherein the circumference of each wall is expanded and a withdrawn position wherein the circumference of each wall is withdrawn; and a conduit for introducing a shield gas into a space defined between the two radially adjustable walls.
    Type: Grant
    Filed: October 22, 1993
    Date of Patent: March 21, 1995
    Assignee: Intevep, S.A.
    Inventor: Miguel Aleman
  • Patent number: 5256847
    Abstract: A chamber includes a plurality of chamber elements, forming a chamber having a bottom, sides, ends and an open top, and a support wire for flexibly linking the chamber elements.
    Type: Grant
    Filed: August 12, 1992
    Date of Patent: October 26, 1993
    Assignee: Intevep, S.A.
    Inventor: Miguel A. Aleman R.