DS

Daryl Richard Henry Stroud

SL Smart Stabilizer Systems Limited: 4 patents #4 of 7Top 60%
CT Cooper Technologies: 1 patents #306 of 757Top 45%
Overall (All Time): #1,017,885 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8176999 Steerable drill bit arrangement Colin Walker 2012-05-15
8051928 Downhole assembly and cutter assembly Robert Donald John Sedgeman, Colin Walker 2011-11-08
7766102 Downhole assembly and cutter assembly Robert Donald John Sedgeman, Colin Walker 2010-08-03
7445060 Steerable drill bit arrangement Michael L. Larronde 2008-11-04
4971098 Valve and improved seat seal therefor 1990-11-20