Patents by Inventor Frederic Parasch

Frederic Parasch 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).

  • Door and valve assembly for a charging installation of a shaft furnace
    Patent number: 9217606
    Abstract: A hatch and valve arrangement for a charging installation for a shaft furnace, such as a blast furnace, said arrangement comprising a housing (1), inside which is located at least one hatch (21) and/or a valve (31), caused to pivot by an actuator (25, 35) located outside the housing and connected to the hatch or valve by a linking shaft guided in a bearing that is fixed with respect to the housing. The bearing (24, 34) and the actuator (25, 35) are mounted on a detachable door (26, 36) that seals an opening (13, 15) made in the wall of the housing (1) and whose dimensions are determined such that the hatch or the valve can be withdrawn transversely to the axis of the housing through said opening.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: December 22, 2015
    Assignee: PAUL WURTH S.A.
    Inventors: Stefan Schons, Frederic Parasch, Paul Tockert
  • DOOR AND VALVE ASSEMBLY FOR A CHARGING INSTALLATION OF A SHAFT FURNACE
    Publication number: 20140112738
    Abstract: A hatch and valve arrangement for a charging installation for a shaft furnace, such as a blast furnace, said arrangement comprising a housing (1), inside which is located at least one hatch (21) and/or a valve (31), caused to pivot by an actuator (25, 35) located outside the housing and connected to the hatch or valve by a linking shaft guided in a bearing that is fixed with respect to the housing. The bearing (24, 34) and the actuator (25, 35) are mounted on a detachable door (26, 36) that seals an opening (13, 15) made in the wall of the housing (1) and whose dimensions are determined such that the hatch or the valve can be withdrawn transversely to the axis of the housing through said opening.
    Type: Application
    Filed: June 5, 2012
    Publication date: April 24, 2014
    Applicant: PAUL WURTH S.A.
    Inventors: Stefan Schons, Frederic Parasch, Paul Tockert