Patents by Inventor Tomas Mach

Tomas Mach 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).

  • Bayer Process
    Publication number: 20240279075
    Abstract: A Bayer process increases oxalate removal in the red side of the Bayer process and at least substantially minimises, for example by at least substantially suppressing, precipitation of oxalates in the white side of the Bayer process.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Inventors: Neil Hofstee, Alistair Gillespie, Tomas Mach, Warren Staker
  • Bayer process
    Patent number: 12006225
    Abstract: A Bayer process increases oxalate removal in the red side of the Bayer process and at least substantially minimises, for example by at least substantially suppressing, precipitation of oxalates in the white side of the Bayer process.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: June 11, 2024
    Assignee: Rio Tinto Alcan International Limited
    Inventors: Neil Hofstee, Alistair Gillespie, Tomas Mach, Warren Staker
  • CALCINATION APPARATUS AND PROCESS USING HYDROGEN
    Publication number: 20230064514
    Abstract: A process of calcining aluminium hydroxide (Al2O3.3H2O) to form alumina (Al2O3), for example in an alumina plant, such as a Bayer process plant, is disclosed. The process comprises combusting hydrogen and oxygen and generating steam and heat 5 and using the heat to calcine aluminium hydroxide and form alumina and more steam. An apparatus is also disclosed.
    Type: Application
    Filed: January 13, 2021
    Publication date: March 2, 2023
    Inventor: Tomas Mach
  • MATERIAL TREATMENT APPARATUS AND PROCESS USING HYDROGEN
    Publication number: 20230063785
    Abstract: A process for treating a material, such as by calcination or reduction processes, is disclosed. The process comprises reacting hydrogen and oxygen in a reaction chamber and producing heat and steam, discharging steam from the reaction chamber, using the heat to treat the material and produce a treated material, and returning at least some of the steam discharged from the reaction chamber to the process. An apparatus is also disclosed.
    Type: Application
    Filed: January 13, 2021
    Publication date: March 2, 2023
    Inventor: Tomas Mach
  • Bayer Process
    Publication number: 20210009435
    Abstract: A Bayer process increases oxalate removal in the red side of the Bayer process and at least substantially minimises, for example by at least substantially suppressing, precipitation of oxalates in the white side of the Bayer process.
    Type: Application
    Filed: February 22, 2019
    Publication date: January 14, 2021
    Inventors: Neil Hofstee, Alistair Gillespie, Tomas Mach, Warren Staker