Patents by Inventor David Aaron Prymula

David Aaron Prymula 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).

  • Filter diffuser
    Patent number: 11654859
    Abstract: A diffuser includes a first tube and a second tube. The first tube includes a key and defines a first opening. The second tube is inserted through the first opening. The second tube defines a notch. The key is inserted into the notch.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: May 23, 2023
    Assignee: Illinois Tool Works Inc.
    Inventors: Randall Joseph Schoenborn, John David Bisset, David Aaron Prymula
  • FILTER DIFFUSER
    Publication number: 20210009075
    Abstract: A diffuser includes a first tube and a second tube. The first tube includes a key and defines a first opening. The second tube is inserted through the first opening. The second tube defines a notch. The key is inserted into the notch.
    Type: Application
    Filed: May 20, 2020
    Publication date: January 14, 2021
    Inventors: Randall Joseph Schoenborn, John David Bisset, David Aaron Prymula
  • Chamber
    Patent number: D911402
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: February 23, 2021
    Assignee: Illinois Tool Works Inc.
    Inventors: David Aaron Prymula, Randall Joseph Schoenborn