Patents by Inventor Steven Everett Hutchins

Steven Everett Hutchins 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).

  • Modular gas seals cartridge
    Patent number: 7144015
    Abstract: A tandem gas seal assembly is described for sealing between the rotor and the casing of a rotary machine. The assembly comprises two sealing stages 10, 12 mounted axially adjacent to one another on the machine rotor. In the invention, wherein the two stages 10 and 12 are totally separable from one another and each is capable of functioning as a seal when separated from the other.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: December 5, 2006
    Assignee: Corac Group PLC
    Inventors: Lev Uryevich Roberts-Haritonov, Julian Oliver Reed, Steven Everett Hutchins
  • Modular gas seals cartridge
    Publication number: 20040183257
    Abstract: A tandem gas seal assembly is described for sealing between the rotor and the casing of a rotary machine. The assembly comprises two sealing stages 10, 12 mounted axially adjacent to one another on the machine rotor. In the invention, wherein the two stages 10 and 12 are totally separable from one another and each is capable of functioning as a seal when separated from the other.
    Type: Application
    Filed: March 19, 2004
    Publication date: September 23, 2004
    Applicant: Corac Group PLC
    Inventors: Lev Uryevich Roberts-Haritonov, Julian Oliver Reed, Steven Everett Hutchins