TP

Thomas L. Pettigrew

DI Dresser Industries: 1 patents #301 of 787Top 40%
SU Sunstone: 1 patents #6 of 11Top 55%
ST Sunstone Technologies: 1 patents #4 of 8Top 50%
📍 Bryan, TX: #87 of 347 inventorsTop 30%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,564,025 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8028750 Force balanced rotating pressure control device William James Hughes, Murl Ray Richardson, Kurt D. Vandervort, Kenneth D. Young 2011-10-04
7743823 Force balanced rotating pressure control device William James Hughes, Murl Ray Richardson, Kurt D. Vandervort, Kenneth D. Young 2010-06-29
4750564 Tubing resettable well packer Charles Leonard Wright, II 1988-06-14