Patents by Inventor Nikolaos Tzallas

Nikolaos Tzallas 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).

  • Downhole cleaning apparatus
    Patent number: 11174707
    Abstract: A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of a helix extending longitudinally and circumferentially about the tubular body (12). The downhole cleaning apparatus (10) also includes a plurality of cleaning elements (22). Each cleaning element (22) is configured to extend through an opening (20) and to extend outwards from an outer surface of the tubular body (12). The cleaning elements (22) are distributed about the tubular body (12) and each cleaning element (22) defines at least part of a helix extending longitudinally and circumferentially about the tubular body. The openings (20) and the cleaning elements (22) are grouped to define a plurality of substantially continuous helical paths (18).
    Type: Grant
    Filed: November 30, 2019
    Date of Patent: November 16, 2021
    Assignee: Odfjell Partners Invest Ltd.
    Inventors: Nikolaos Tzallas, Simon Leiper
  • DOWNHOLE CLEANING APPARATUS
    Publication number: 20200102810
    Abstract: A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of a helix extending longitudinally and circumferentially about the tubular body (12). The downhole cleaning apparatus (10) also includes a plurality of cleaning elements (22). Each cleaning element (22) is configured to extend through an opening (20) and to extend outwards from an outer surface of the tubular body (12). The cleaning elements (22) are distributed about the tubular body (12) and each cleaning element (22) defines at least part of a helix extending longitudinally and circumferentially about the tubular body. The openings (20) and the cleaning elements (22) are grouped to define a plurality of substantially continuous helical paths (18).
    Type: Application
    Filed: November 30, 2019
    Publication date: April 2, 2020
    Applicant: Odfjell Partners Invest Ltd.
    Inventors: Nikolaos Tzallas, Simon Leiper
  • Downhole cleaning apparatus
    Patent number: 10526871
    Abstract: A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of a helix extending longitudinally and circumferentially about the tubular body (12). The downhole cleaning apparatus (10) also includes a plurality of cleaning elements (22). Each cleaning element (22) is configured to extend through an opening (20) and to extend outwards from an outer surface of the tubular body (12). The cleaning elements (22) are distributed about the tubular body (12) and each cleaning element (22) defines at least part of a helix extending longitudinally and circumferentially about the tubular body. The openings (20) and the cleaning elements (22) are grouped to define a plurality of substantially continuous helical paths (18).
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: January 7, 2020
    Assignee: ODFJELL PARTNERS INVEST LTD.
    Inventors: Nikolaos Tzallas, Simon Leiper
  • DOWNHOLE CLEANING APPARATUS
    Publication number: 20170074071
    Abstract: A downhole cleaning apparatus (10) comprising a tubular body (12). The tubular body (12) comprises comprising a plurality of openings (20) therethrough. Each opening (20) defines at least part of a helix extending longitudinally and circumferentially about the tubular body (12). The downhole cleaning apparatus (10) also includes a plurality of cleaning elements (22). Each cleaning element (22) is configured to extend through an opening (20) and to extend outwards from an outer surface of the tubular body (12). The cleaning elements (22) are distributed about the tubular body (12) and each cleaning element (22) defines at least part of a helix extending longitudinally and circumferentially about the tubular body. The openings (20) and the cleaning elements (22) are grouped to define a plurality of substantially continuous helical paths (18).
    Type: Application
    Filed: March 26, 2015
    Publication date: March 16, 2017
    Applicant: Odfjell Partners Invest Ltd.
    Inventors: Nikolaos Tzallas, Simon Leiper