Patents by Inventor Scott Howard Williams

Scott Howard Williams 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).

  • Process for plasma treatment employing ceramic-filled polymer composite parts
    Patent number: 9640381
    Abstract: Internal components of plasma reactors are composed of a toleratable, ceramic filled plasma-useful polymer such as a high temperature engineering thermoplastic, preferably a polyamideimide or polybenzimidazole. The parts exhibit a low erosion rate upon exposure to plasma at low pressure.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: May 2, 2017
    Assignee: QUADRANT EPP AG
    Inventors: Scott Howard Williams, Richard William Campbell, Stephan Glander
  • Process for plasma treatment employing ceramic-filled polyamideimide composite parts
    Patent number: 9129795
    Abstract: Internal components of plasma reactors are composed of a toleratable, ceramic filled plasma-useful polymer such as a high temperature engineering thermoplastic, preferably a polyamideimide. The parts exhibit a low erosion rate upon exposure to plasma at low pressure.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: September 8, 2015
    Assignee: QUADRANT EPP AG
    Inventors: Scott Howard Williams, Richard William Campbell, Stephan Glander
  • Process For Plasma Treatment Employing Ceramic-Filled Polymer Composite Parts
    Publication number: 20150041433
    Abstract: Internal components of plasma reactors are composed of a toleratable, ceramic filled plasma-useful polymer such as a high temperature engineering thermoplastic, preferably a polyamideimide or polybenzimidazole. The parts exhibit a low erosion rate upon exposure to plasma at low pressure.
    Type: Application
    Filed: April 10, 2012
    Publication date: February 12, 2015
    Applicant: QUADRANT EPP AG
    Inventors: Scott Howard Williams, Richard William Campbell, Stephan Glander
  • Process For Plasma Treatment Employing Ceramic-Filled Polyamideimide Composite Parts
    Publication number: 20120255854
    Abstract: Internal components of plasma reactors are composed of a toleratable, ceramic filled plasma-useful polymer such as a high temperature engineering thermoplastic, preferably a polyamideimide. The parts exhibit a low erosion rate upon exposure to plasma at low pressure.
    Type: Application
    Filed: April 11, 2011
    Publication date: October 11, 2012
    Applicant: QUADRANT EPP AG
    Inventors: Scott Howard Williams, Richard William Campbell, Stephan Glander