Darko Arsoski

Person

Angus, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Centralizer having internal stop collar
- Patent number 12,305,452
- Issue date May 20, 2025
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slimline stop collar with seal to prevent micro-annulus leakage
- Patent number 12,286,845
- Issue date Apr 29, 2025
- DOWNHOLE PRODUCTS LIMITED
- Douglas Farley
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing shoe with flow operated diverter valve
- Patent number 12,110,747
- Issue date Oct 8, 2024
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual flow converted auto-fill float valve
- Patent number 12,012,812
- Issue date Jun 18, 2024
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Variable stiffness centralizer
- Patent number 11,965,384
- Issue date Apr 23, 2024
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Slimline stop collar with solid cam ring
- Patent number 11,536,095
- Issue date Dec 27, 2022
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CENTRALIZER HAVING INTERNAL STOP COLLAR
- Publication number 20250109640
- Publication date Apr 3, 2025
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Application
SLIMLINE STOP COLLAR WITH SEAL TO PREVENT MICRO-ANNULUS LEAKAGE
- Publication number 20250092743
- Publication date Mar 20, 2025
- DOWNHOLE PRODUCTS LIMITED
- Douglas Farley
- E21 - EARTH DRILLING MINING
Information Patent Application
BALL DEFLECTOR FOR FLOAT COLLAR
- Publication number 20250043638
- Publication date Feb 6, 2025
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING SHOE WITH FLOW OPERATED DIVERTER VALVE
- Publication number 20240068306
- Publication date Feb 29, 2024
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Application
VARIABLE STIFFNESS CENTRALIZER
- Publication number 20230235630
- Publication date Jul 27, 2023
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Application
DUAL FLOW CONVERTED AUTO-FILL FLOAT VALVE
- Publication number 20230069930
- Publication date Mar 9, 2023
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING
Information Patent Application
SLIMLINE STOP COLLAR WITH SOLID CAM RING
- Publication number 20210285292
- Publication date Sep 16, 2021
- DOWNHOLE PRODUCTS LIMITED
- Darko Arsoski
- E21 - EARTH DRILLING MINING

Darko Arsoski

Person

Patents Grantslast 30 patents

Centralizer having internal stop collar

Slimline stop collar with seal to prevent micro-annulus leakage

Casing shoe with flow operated diverter valve

Dual flow converted auto-fill float valve

Variable stiffness centralizer

Slimline stop collar with solid cam ring

Patents Applicationslast 30 patents

CENTRALIZER HAVING INTERNAL STOP COLLAR

SLIMLINE STOP COLLAR WITH SEAL TO PREVENT MICRO-ANNULUS LEAKAGE

BALL DEFLECTOR FOR FLOAT COLLAR

CASING SHOE WITH FLOW OPERATED DIVERTER VALVE

VARIABLE STIFFNESS CENTRALIZER

DUAL FLOW CONVERTED AUTO-FILL FLOAT VALVE

SLIMLINE STOP COLLAR WITH SOLID CAM RING