Patents by Inventor Steven J. Perrmann

Steven J. Perrmann 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).

  • Choke trim assembly
    Patent number: 9856988
    Abstract: A choke trim assembly for use as a shuttle seat in a choke valve including a flange sleeve is disclosed, the choke trim assembly comprising a trim, a trim carrier, and a clamp ring, wherein the trim carrier and the clamp ring each have a tubular member, an outer diameter of the tubular member of the clamp ring being configured to enable a slip fit of the choke trim assembly into an inner diameter of the flange sleeve, the trim being centered in the clamp ring, and an outer diameter of the tubular member of the trim carrier and the inner diameter of the clamp ring being configured to enable a slip fit of the trim carrier into the clamp ring.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: January 2, 2018
    Assignee: M-I L.L.C.
    Inventors: Keith James King, Steven J. Perrmann
  • CHOKE TRIM ASSEMBLY
    Publication number: 20120181470
    Abstract: A choke trim assembly for use as a shuttle seat in a choke valve including a flange sleeve is disclosed, the choke trim assembly comprising a trim, a trim carrier, and a clamp ring, wherein the trim carrier and the clamp ring each have a tubular member, an outer diameter of the tubular member of the clamp ring being configured to enable a slip fit of the choke trim assembly into an inner diameter of the flange sleeve, the trim being centered in the clamp ring, and an outer diameter of the tubular member of the trim carrier and the inner diameter of the clamp ring being configured to enable a slip fit of the trim carrier into the clamp ring.
    Type: Application
    Filed: May 8, 2009
    Publication date: July 19, 2012
    Applicant: M-I L.L.C.
    Inventors: Keith James King, Steven J. Perrmann, Emily Ferguson