Darko Arsoski

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Angus, GB

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Patents Grantslast 30 patents

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
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