Patents by Inventor Julia Bartnik-Thumm

Julia Bartnik-Thumm 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).

  • Publication number: 20210113860
    Abstract: A powered air purifying respirator (PAPR) device comprises an enclosure extending along a longitudinal axis between a first end of the enclosure and a second end of the enclosure. The enclosure defines an air inlet in fluid communication with environmental air. A filter module is disposed in the enclosure in fluid communication with the air inlet for filtering the environmental air to produce clean air. A blower system is disposed in the enclosure in fluid communication with the filter module for pressurizing the clean air. The enclosure includes an upper housing for receiving the filter module. A plate extends between the first end and the second end defining an air outlet in fluid communication with the filter module and the blower system. The air inlet is disposed adjacent the second end and the air outlet is disposed adjacent the first end.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 22, 2021
    Inventors: William C. Hamill, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika, Alan J. Gerrard, Samuel M. Kelly
  • Patent number: D954252
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 7, 2022
    Assignee: RPB SAFETY, LLC
    Inventors: Garth Ivory, Ryan S. Whitwood, William C. Hamill, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika, Alan J. Gerrard
  • Patent number: D968588
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: November 1, 2022
    Assignee: RPB Safety, LLC
    Inventors: Garth Ivory, Ryan S. Whitwood, William C. Hamill, Edward S. M. Williams, Julia Bartnik-Thumm, James A. Te Aika, Alan J. Gerrard