Patents by Inventor Greg Lee Hoepfner

Greg Lee Hoepfner 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).

  • REUSABLE LIGHTWEIGHT RESPIRATOR MASK
    Publication number: 20210308493
    Abstract: A respirator mask is described that includes a facepiece defining a hinge region. The facepiece is configured to create a seal with a face of a user. First and second mask substrates are spaced apart from one another and positioned on opposite sides of the hinge region. First and second filters are positioned adjacent the first and second mask substrates, respectively. First and second filter caps are configured to secure the first and second filters, respectively, to the facepiece.
    Type: Application
    Filed: April 2, 2021
    Publication date: October 7, 2021
    Inventors: Max Bock-Aronson, Daniel Casey Johnson, Greg Lee Hoepfner