Patents by Inventor Ralph N Williams

Ralph N 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).

  • Patent number: 6369371
    Abstract: A method and apparatus heats ultrapure water using microwaves. Chambers such as pipes containing the water are capable of admitting microwaves to the water, allowing the microwaves to heat the water. The pipes may be made of inert material such as PVDF or quartz that will not introduce contamination into the water.
    Type: Grant
    Filed: August 18, 1999
    Date of Patent: April 9, 2002
    Assignee: Oracle Corporation
    Inventors: Daniel A Havens, Ralph N Williams
  • Publication number: 20010003339
    Abstract: A method and apparatus heats ultrapure water using microwaves. Chambers such as pipes containing the water are capable of admitting microwaves to the water, allowing the microwaves to heat the water. The pipes may be made of inert material such as PVDF or quartz that will not introduce contamination into the water.
    Type: Application
    Filed: August 18, 1999
    Publication date: June 14, 2001
    Inventors: DANIEL A. HAVENS, RALPH N. WILLIAMS