Patents by Inventor Keith A. Klipstine

Keith A. Klipstine 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: 10343835
    Abstract: The present invention relates to improved manually openable self-venting ovenable packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray. The packages of the present invention are self-venting whereby a venting region comprising a release coating applied between the inner surface of the front panel and the inner surface of the back panel permits the overwrap to rupture and release steam in response to heat and/or overpressure generated during heating of a food item in a microwave oven.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: July 9, 2019
    Assignee: Bemis Company, Inc.
    Inventors: Keith A. Klipstine, Brian K. Murdick, Blake A. Bougie, Tara K. Cruz
  • Patent number: 10315823
    Abstract: The present invention relates to improved manually openable packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: June 11, 2019
    Assignee: Bemis Company, Inc.
    Inventors: Brian K. Murdick, Keith A. Klipstine
  • Patent number: 9776782
    Abstract: The present invention relates to improved packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray. Advantageously, when the tray is removed from the overwrap, a portion of the first film separates from the laminate and remains peelably sealed to the flange of the tray and thus, may serve as a lidding film for the container. Since the recessed cavity is still covered, the container may then be placed directly in a microwave or conventional oven to thaw and/or cook the food container within the package without first removing the lidding film.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: October 3, 2017
    Assignee: Bemis Company, Inc.
    Inventor: Keith A. Klipstine
  • Publication number: 20160280441
    Abstract: The present invention relates to improved packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray. Advantageously, when the tray is removed from the overwrap, a portion of the first film separates from the laminate and remains peelably sealed to the flange of the tray and thus, may serve as a lidding film for the container. Since the recessed cavity is still covered, the container may then be placed directly in a microwave or conventional oven to thaw and/or cook the food container within the package without first removing the lidding film.
    Type: Application
    Filed: January 21, 2014
    Publication date: September 29, 2016
    Inventor: Keith A. Klipstine
  • Publication number: 20160130064
    Abstract: The present invention relates to improved manually openable self-venting ovenable packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray. The packages of the present invention are self-venting whereby a venting region comprising a release coating applied between the inner surface of the front panel and the inner surface of the back panel permits the overwrap to rupture and release steam in response to heat and/or overpressure generated during heating of a food item in a microwave oven.
    Type: Application
    Filed: July 25, 2013
    Publication date: May 12, 2016
    Inventors: Keith A. Klipstine, Brian K. Murdick, Blake A. Bougie, Tara K. Cruz
  • Publication number: 20160068322
    Abstract: The present invention relates to improved manually openable packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front panel and an opposing back panel. The inventive packages also include a continuous seal circumscribing a recessed cavity of the tray which comprises a heat seal formed by heat sealing a portion of the front panel to the peripheral flange of the tray.
    Type: Application
    Filed: April 12, 2013
    Publication date: March 10, 2016
    Inventors: Brian K. Murdick, Keith A. Klipstine