DT

Doug Trott

BH Baker Hughes Holdings: 5 patents #632 of 3,522Top 20%
📍 Coweta, OK: #8 of 35 inventorsTop 25%
🗺 Oklahoma: #2,171 of 12,736 inventorsTop 20%
Overall (All Time): #1,046,917 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6269874 Electro-hydraulic surface controlled subsurface safety valve actuator Michael S. Rawson, Charles M. Tompkins 2001-08-07
6253843 Electric safety valve actuator Michael S. Rawson 2001-07-03
5984260 Electrically driven actuator with failsafe feature Michael S. Rawson, Charles M. Tompkins 1999-11-16
5918858 Undulating transverse interface for curved flapper seal Michael S. Rawson, Mark S. Megill, Clifford H. Beall 1999-07-06
5682921 Undulating transverse interface for curved flapper seal Michael S. Rawson, Mark S. Megill, Clifford H. Beall 1997-11-04