Patents by Inventor Joseph Charles Winkler

Joseph Charles Winkler 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).

  • Screen assembly for vibratory separators
    Patent number: 6607080
    Abstract: A screen assembly for a vibratory separator, the screen assembly having a first screen portion having a first end and a second end spaced apart from the first end, and a second screen portion formed integrally of or connected to the second end of the second screen portion. A screen assembly with a first portion of screening material and a second raised portion of screening material, the second raised portion extending from a material introduction end of the screen assembly to a material exit end thereof, the raised portion, in one aspect, culminating in an apex above the first portion of screening material.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: August 19, 2003
    Assignee: Varco I/P, Inc.
    Inventors: Joseph Charles Winkler, Thomas C. Adams, David L. Schulte, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar, Guy L. McClung, III
  • Screen assemly for vibratory separators
    Publication number: 20020000399
    Abstract: A screen assembly for a vibratory separator, the screen assembly having a first screen portion having a first end and a second end spaced apart from the first end, and a second screen portion formed integrally of or connected to the second end of the second screen portion. A screen assembly with a first portion of screening material and a second raised portion of screening material, the second raised portion extending from a material introduction end of the screen assembly to a material exit end thereof, the raised portion, in one aspect, culminating in an apex above the first portion of screening material.
    Type: Application
    Filed: March 28, 2001
    Publication date: January 3, 2002
    Inventors: Joseph Charles Winkler, Thomas C. Adams, David L. Schulte, Kenneth W. Seyffert, David W. Largent, Charles N. Grichar, Guy L. McClung