Patents by Inventor Karen Marie Campbell

Karen Marie Campbell 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: 9783754
    Abstract: Methods are provide for dispensing a product to a user, the product releasably incorporated within a carrier. In one embodiment, the method comprises the step of providing a first user comprising at least one storage vessel for receiving and storing fresh and at least one vessel for receiving and storing spent. The method further includes the steps of: collecting spent from a storage vessel of the first user; detecting a chemical or physical property of the collected spent; and comparing the detected chemical or physical property of the collected spent with a predetermined criteria.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: October 10, 2017
    Assignee: Air Products and Chemical, Inc.
    Inventors: Paul Anthony Mattiola, Vladimir Yliy Gershtein, Karen Marie Campbell