Patents by Inventor Barbara Svitila

Barbara Svitila 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).

  • Dispensing system with inflatable bag propelling mechanism and separate product gas phase
    Patent number: 4679706
    Abstract: A dispensing system for use with a wide variety of dispensable products which employs an inflatable pouch positioned within the container containing a pressurizing gas phase. A product gas phase is incorporated in the expelled product to enhance the product appearance, functionally or safety. The weight to weight (w/w) ratio of the product gas phase to the flowable materials should be between about 0.001:1 to about 0.015:1 and preferably, the w/w ratio of the product gas phase to the flowable material is between about 0.001:1 and about 0.07:1.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: July 14, 1987
    Assignee: Enviro-Spray Systems, Inc.
    Inventors: David J. Magid, Barbara Svitila, William Kalriess