Patents by Inventor Geoffrey L. Chase

Geoffrey L. Chase 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 purity chemical container with external level sensor and liquid sump
    Patent number: 6526824
    Abstract: A container for high purity chemicals having an externally placed level sensor to avoid contamination of such chemical and for ready serviceability and a removeable liquid out diptube to facilitate cleaning during refilling or refurbishing, both of which are situated adjacent a sump in the bottom of the container. The container can have a valved inlet and outlet and can be constructed of stainless steel which is electropolished.
    Type: Grant
    Filed: June 7, 2001
    Date of Patent: March 4, 2003
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Geoffrey L. Chase, John Eric Baker, Lee Senecal, Robert Sam Zorich, David Allen Roberts
  • HIGH PURITY CHEMICAL CONTAINER WITH EXTERNAL LEVEL SENSOR AND LIQUID SUMP
    Publication number: 20020184945
    Abstract: A container for high purity chemicals having an externally placed level sensor to avoid contamination of such chemical and for ready serviceability and a removeable liquid out diptube to facilitate cleaning during refilling or refurbishing, both of which are situated adjacent a sump in the bottom of the container. The container can have a valved inlet and outlet and can be constructed of stainless steel which is electropolished.
    Type: Application
    Filed: June 7, 2001
    Publication date: December 12, 2002
    Inventors: Geoffrey L. Chase, John Eric Baker, Lee Senecal, Robert Sam Zorich, David Allen Roberts