Patents by Inventor John K. Markey

John K. Markey 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).

  • High pressure xenon ionization detector
    Patent number: 4880983
    Abstract: A method is provided for detecting ionization comprising allowing particles that cause ionization to contact high pressure xenon maintained at or near its critical point and measuring the amount of ionization.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: November 14, 1989
    Assignee: Yale University
    Inventor: John K. Markey