DF

Douglas Brian Farley

DL Downhole Products Limited: 5 patents #1 of 6Top 20%
📍 Missouri City, TX: #1 of 80 inventorsTop 2%
🗺 Texas: #504 of 13,174 inventorsTop 4%
Overall (2025): #24,666 of 469,880Top 6%
5
Patents 2025

Issued Patents 2025

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12392219 Ball deflector for float collar Darko Arsoski, Christopher James Mccaughan Hay 2025-08-19
12312879 Rasping shoe for non-rotational deployment of casing string Alexander Craig Mackay, Carl Aron Deen 2025-05-27
12305452 Centralizer having internal stop collar Darko Arsoski, Shenal Mekson 2025-05-20
12286845 Slimline stop collar with seal to prevent micro-annulus leakage Darko Arsoski 2025-04-29
12270262 Float equipment for use with composite casing or liner string Alexander Craig Mackay 2025-04-08