Patents by Inventor Marthinus Jacobus Buitendag

Marthinus Jacobus Buitendag 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).

  • Flow corrector and pump assembly including a flow corrector
    Patent number: 11953028
    Abstract: A flow corrector (14) which includes a tubular body (40) with an entry end (42) and an exit end (44), and a plurality of parallel flow passages (54a, 54b, 54c, 54d) between the entry end and the exit end.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: April 9, 2024
    Assignee: BATTLEMAX (PTY) LTD
    Inventors: Marthinus Jacobus Buitendag, Conrad Gräbe De Villiers, Adian Brandt
  • CENTRIUGAL PUMP
    Publication number: 20230332611
    Abstract: A centrifugal pump which includes a tubular structure which extends into an eye of an impeller and which directs a medium to be pumped into the eye, and wherein an axially extending annular cylindrical sealing clearance is formed between opposing surfaces of the impeller and the structure.
    Type: Application
    Filed: June 22, 2021
    Publication date: October 19, 2023
    Inventors: Thomas Muller, Marthinus Jacobus Buitendag, Conrad Gräbe De Villiers
  • FLOW CORRECTOR AND PUMP ASSEMBLY INCLUDING A FLOW CORRECTOR
    Publication number: 20220349422
    Abstract: A flow corrector (14) which includes a tubular body (40) with an entry end (42) and an exit end (44), and a plurality of parallel flow passages (54a, 54b, 54c, 54d) between the entry end and the exit end.
    Type: Application
    Filed: September 16, 2020
    Publication date: November 3, 2022
    Inventors: Marthinus Jacobus Buitendag, Conrad Gräbe De Villiers, Adian Brandt
  • Impeller
    Patent number: D824960
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: August 7, 2018
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Casing
    Patent number: D837833
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: January 8, 2019
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Volute liner
    Patent number: D836676
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: December 25, 2018
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Casing
    Patent number: D842904
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: March 12, 2019
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Adaptor plate
    Patent number: D845358
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 9, 2019
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Expeller
    Patent number: D845359
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: April 9, 2019
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Suction cover
    Patent number: D846008
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: April 16, 2019
    Assignee: BATTLEMAX (PTY) LTD.
    Inventors: Siegfried Geldenhuys, Marthinus Jacobus Buitendag
  • Flow corrector
    Patent number: D1023245
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: April 16, 2024
    Assignee: BATTLEMAX (PTY) LTD
    Inventors: Marthinus Jacobus Buitendag, Conrad Gräbe De Villiers, Adian Brandt
  • Cover for a centrifugal pump
    Patent number: D1024136
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: April 23, 2024
    Assignee: BATTLEMAX (PTY) LTD
    Inventors: Marthinus Jacobus Buitendag, Johannes Theodorus Pienaar, Thomas Muller