Patents by Inventor Duane J. Fisher

Duane J. Fisher 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: 6981656
    Abstract: Apparatus for dispensing thermoplastic material and configured for easy cleaning and maintenance procedures to address residual thermoplastic material in the apparatus. The apparatus includes a distribution body having an interior space for receiving a removable insert. The removable insert includes a flow passage for providing the thermoplastic material, for example, to a dispensing element. Alternatively, or in addition, the distribution body may be formed of separable portions to allow easy access to the passage and/or insert.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: January 3, 2006
    Assignee: Nordson Corporation
    Inventors: Duane J. Fisher, Wesley C. Fort, John M. Raterman
  • Publication number: 20040217192
    Abstract: Apparatus for dispensing thermoplastic material and configured for easy cleaning and maintenance procedures to address residual thermoplastic material in the apparatus. The apparatus includes a distribution body having an interior space for receiving a removable insert. The removable insert includes a flow passage for providing the thermoplastic material, for example, to a dispensing element. Alternatively, or in addition, the distribution body may be formed of separable portions to allow easy access to the passage and/or insert.
    Type: Application
    Filed: April 11, 2003
    Publication date: November 4, 2004
    Applicant: Nordson Corporation
    Inventors: Duane J. Fisher, Wesley C. Fort, John M. Raterman
  • Patent number: D798700
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: October 3, 2017
    Assignee: Nordson Corporation
    Inventors: David J. Byerly, Justin A. Clark, Duane J. Fisher
  • Patent number: D850248
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: June 4, 2019
    Assignee: Nordson Corporation
    Inventors: David J. Byerly, Justin A. Clark, Duane J. Fisher
  • Patent number: D938816
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: December 21, 2021
    Assignee: Nordson Corporation
    Inventors: David J. Byerly, Justin A. Clark, Duane J. Fisher