Patents by Inventor Mark J. Portelli

Mark J. Portelli 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 device with valve assembly having continuously smooth transition between tip and stem
    Patent number: 8746514
    Abstract: A dispensing device includes a housing having a material chamber in fluid communication with a material inlet port and a nozzle. The dispensing device also includes a valve in fluid communication with the material chamber and the nozzle. The valve includes a tip, a stem, and a seat. The stem is configured to move relative to the seat to control the flow of material exiting the housing through the nozzle. The tip is fixedly attached to the stem at a second distal. The tip includes a rounded head and a neck, the tip being fixedly attached to the stem by inserting the neck into a bore disposed within the stem.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: June 10, 2014
    Assignee: Nordson Corporation
    Inventors: Thomas R. Tudor, Mark J. Portelli
  • TIP AND STEM VALVE ASSEMBLY
    Publication number: 20100206917
    Abstract: A dispensing device includes a housing having a material chamber in fluid communication with a material inlet port and a nozzle. The dispensing device also includes a valve in fluid communication with the material chamber and the nozzle. The valve includes a tip, a stem, and a seat. The stem is configured to move relative to the seat to control the flow of material exiting the housing through the nozzle. The tip is fixedly attached to the stem at a second distal. The tip includes a rounded head and a neck, the tip being fixedly attached to the stem by inserting the neck into a bore disposed within the stem.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 19, 2010
    Inventors: Thomas R. Tudor, Mark J. Portelli