Patents by Inventor Mark John Linser

Mark John Linser 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).

  • Patent number: 9255650
    Abstract: Movable valve apparatus having conditioned lubricating surfaces are described. An example valve includes a valve packing having a graphite packing ring disposed within a bonnet of the fluid valve and a stem or shaft has a conditioned surface to hold a lubricating material. The conditioned surface of the stem or shaft is disposed within the bonnet and moves the lubricating material relative to and in contact with the graphite packing ring during operation of the fluid valve.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: February 9, 2016
    Assignee: Fisher Controls International, LLC
    Inventors: Mark John Linser, Wilbur D. Hutchens
  • Publication number: 20140097373
    Abstract: Movable valve apparatus having conditioned lubricating surfaces are described. An example valve includes a valve packing having a graphite packing ring disposed within a bonnet of the fluid valve and a stem or shaft has a conditioned surface to hold a lubricating material. The conditioned surface of the stem or shaft is disposed within the bonnet and moves the lubricating material relative to and in contact with the graphite packing ring during operation of the fluid valve.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 10, 2014
    Applicant: FISHER CONTROLS INTERNATIONAL LLC
    Inventors: Mark John Linser, Wilbur D. Hutchens
  • Patent number: 8632053
    Abstract: Movable valve apparatus having conditioned lubricating surfaces are described. An example valve includes a valve packing having a graphite packing ring disposed within a bonnet of the fluid valve and a stem or shaft has a conditioned surface to hold a lubricating material. The conditioned surface of the stem or shaft is disposed within the bonnet and moves the lubricating material relative to and in contact with the graphite packing ring during operation of the fluid valve.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: January 21, 2014
    Assignee: Fisher Controls International, LLC
    Inventors: Mark John Linser, Wilbur D. Hutchens
  • Publication number: 20110278489
    Abstract: Movable valve apparatus having conditioned lubricating surfaces are described. An example valve includes a valve packing having a graphite packing ring disposed within a bonnet of the fluid valve and a stem or shaft has a conditioned surface to hold a lubricating material. The conditioned surface of the stem or shaft is disposed within the bonnet and moves the lubricating material relative to and in contact with the graphite packing ring during operation of the fluid valve.
    Type: Application
    Filed: May 11, 2010
    Publication date: November 17, 2011
    Inventors: Mark John Linser, Wilbur D. Hutchens