Patents by Inventor Steve Donald Sitkiewitz

Steve Donald Sitkiewitz 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).

  • Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water
    Patent number: 8652336
    Abstract: In a system for decomposing organic compounds in water for use in semiconductor manufacturing, a chemical reactor vessel having a fluid inlet and a fluid outlet, a persulfate anion addition system upstream of the reactor vessel, and a light emitting device contained within the reactor vessel. The light emitting device provides light capable of decomposing persulfate anions.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: February 18, 2014
    Assignee: Siemens Water Technologies LLC
    Inventors: Steve Donald Sitkiewitz, Gary Michael Carmignani, Lee William Fredrick
  • ULTRAVIOLET LIGHT ACTIVATED OXIDATION PROCESS FOR THE REDUCTION OF ORGANIC CARBON IN SEMICONDUCTOR PROCESS WATER
    Publication number: 20110180485
    Abstract: In a system for decomposing organic compounds in water for use in semiconductor manufacturing, a chemical reactor vessel having a fluid inlet and a fluid outlet, a persulfate anion addition system upstream of the reactor vessel, and a light emitting device contained within the reactor vessel. The light emitting device provides light capable of decomposing persulfate anions.
    Type: Application
    Filed: June 5, 2007
    Publication date: July 28, 2011
    Applicant: Fluid Lines
    Inventors: Steve Donald Sitkiewitz, Gary Michael Carmignani, Lee William Fredrick