Patents by Inventor Douglas Mark Brown

Douglas Mark Brown 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).

  • FLANGE FOR A VACUUM APPARATUS
    Publication number: 20230113996
    Abstract: Flange for a vacuum apparatus comprises a housing to be connected to the vacuum apparatus defining an opening wherein the opening has rectangular narrow shape. The flange further comprises a metal seal arranged around the opening to create a vacuum tight seal.
    Type: Application
    Filed: February 18, 2021
    Publication date: April 13, 2023
    Inventors: Douglas Mark Brown, Marcus Hans Robert Thierley