Patents by Inventor Jean Joseph Muller

Jean Joseph Muller 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).

  • Arrangement for sealing a closed production system
    Patent number: 6364317
    Abstract: This invention relates to an arrangement for sealing a closed chamber in which equipment is to be replaced and especially to a chamber in which equipment is to be replaced while the chamber is to be maintained closed. The arrangement includes a channel filled with a fluid, such as water, and a skirt arranged to extend into the fluid to form the seal. As the skirt extends down into the liquid, a portal space is formed at the opening in the chamber and the opening preferably includes a gate for closing the chamber from the portal space and the outside.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: April 2, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Tom Edward Estep, Ronald P. Hoffman, James R. Hunter, Jean Joseph Muller, Germain Schilz, Carl E. Vorhees, James M. Wiggins, Jean Francois Woll
  • Arrangement for sealing a closed production system
    Patent number: 6101698
    Abstract: This invention relates to an arrangement for sealing a closed chamber in which equipment is to be replaced and especially to a chamber in which equipment is to be replaced while the chamber is to be maintained closed. The arrangement includes a channel filled with a fluid, such as water, and a skirt arranged to extend into the fluid to form the seal. As the skirt extends down into the liquid, a portal space is formed at the opening in the chamber and the opening preferably includes a gate for closing the chamber from the portal space and the outside.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: August 15, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Tom Edward Estep, Ronald P. Hoffman, James R. Hunter, Jean Joseph Muller, Germain Schilz, Carl E. Vorhees, James M. Wiggins, Jean Francois Woll
  • Lateral entry remotely operated coupling system
    Patent number: 6059318
    Abstract: This invention relates to a coupling system for connecting one or more fluid conduits wherein the system is adapted for lateral entry of one pipe or conduit to the other. The coupling system is also suited for making a connection in an environment which is relatively inaccessible to personnel and may be remotely operated.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: May 9, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Tom Edward Estep, Ronald P. Hoffman, James R. Hunter, Jean Joseph Muller, Germain Schilz, Carl E. Vorhees, James M. Wiggins, Jean Francois Woll