Patents by Inventor Christopher Upham

Christopher Upham 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).

  • INFLATABLE FROTH CROWDER APPARATUS FOR FLOTATION MACHINES
    Publication number: 20260249306
    Abstract: An inflatable froth crowder assembly (1) is disclosed. The inflatable froth crowder assembly (1) is configured for directing froth from a flotation machine tank (21) to a launder (25) of a flotation machine and comprises an inflatable body (2), at least one valve (25), and first tethering means (4) for securing the inflatable body (2) within the flotation machine (35) using second (15) and third tethering means (23). Also disclosed is a flotation machine (35) comprising the inflatable froth crowder assembly (1) and a method of installing the inflatable froth crowder assembly (1).
    Type: Application
    Filed: April 1, 2023
    Publication date: August 27, 2026
    Inventors: Dariusz Lelinski, Thien Sok, Michael Stark, Jake Albers, Christopher Upham