Patents by Inventor Anitha Pulli

Anitha Pulli 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).

  • Compact powered air purifying respirator with auto-change filter and built-in end of service life indicator
    Patent number: 11406850
    Abstract: Embodiments relate generally to methods and systems for refreshing filter media within a respirator and indicating end of service life for the filter media. A respirator may include a rollable filter media configured to be refreshed by rolling the filter media onto a roller. A rolling mechanism may rotate the roller, allowing for a fresh section of filter media to be placed in the air path of the respirator. The rolling mechanism may be controlled automatically by a motor and/or manually.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: August 9, 2022
    Assignee: Honeywell International Inc.
    Inventors: Durgam Gangadhar, Anitha Pulli, Praveen Kumar Palacharla, Anjaiah Tumu, PhaniKumar Kagithapu, Narasimha Jitendra
  • COMPACT POWERED AIR PURIFYING RESPIRATOR WITH AUTO-CHANGE FILTER AND BUILT-IN END OF SERVICE LIFE INDICATOR
    Publication number: 20190143154
    Abstract: Embodiments relate generally to methods and systems for refreshing filter media within a respirator and indicating end of service life for the filter media. A respirator may comprise a rollable filter media configured to be refreshed by rolling the filter media onto a roller. A rolling mechanism may rotate the roller, allowing for a fresh section of filter media to be placed in the air path of the respirator. The rolling mechanism may be controlled automatically by a motor and/or manually.
    Type: Application
    Filed: March 8, 2017
    Publication date: May 16, 2019
    Inventors: Durgam Gangadhar, Anitha Pulli, Praveen Kumar Palacharla, Anjaiah Tumu, PhaniKumar Kagithapu, Narasimha Jitendra