Patents by Inventor Kevin Sirk

Kevin Sirk 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: 6543493
    Abstract: An apparatus of measuring both concentration and amount of a liquid in a liquid chemical container is presented, comprising viewing light emanating from a first optical member that is in visual contact with the liquid, the light emanating from the optical member having a level indicating quality; and routing light from a second optical member that is in visual contact with the liquid to means for optical discrimination between liquid chemical based on different optical properties.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: April 8, 2003
    Assignees: L'Air Liquide - Societe'Anonyme a' Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude, American Air Liquide, Inc.
    Inventors: Gregory M. Jursich, Kevin Sirk
  • Publication number: 20030010396
    Abstract: Methods and apparatus of measuring both concentration and amount of a liquid in a liquid chemical container are presented, one method comprising the steps of: (a) viewing light emanating from a first optical member that is in visual contact with the liquid, the light emanating from the optical member having a level indicating quality; and (b) routing light from a second optical member that is in visual contact with the liquid to means for optical discrimination between liquid chemical based on different optical properties.
    Type: Application
    Filed: July 13, 2001
    Publication date: January 16, 2003
    Inventors: Gregory M. Jursich, Kevin Sirk