Patents by Inventor Anna Welch

Anna Welch 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).

  • IMPROVEMENTS IN RESPIRATOR HOODS
    Publication number: 20240091571
    Abstract: A respirator comprising: an air supply unit arranged to deliver air at its output.
    Type: Application
    Filed: July 14, 2021
    Publication date: March 21, 2024
    Applicant: BAE SYSTEMS plc
    Inventors: Michael Fraser, Paul Douglas, Alexander Grint, Anna Welch, Alan Felstead, Neville Clokey, Julie Johnston