JC

John E. Campbell

SI Smith International: 26 patents #22 of 708Top 4%
IBM: 15 patents #7,450 of 70,183Top 15%
MG Masx Energy Services Group: 7 patents #2 of 9Top 25%
DS Drilex Systems: 3 patents #3 of 14Top 25%
TI Texas Instruments: 2 patents #5,248 of 12,488Top 45%
WS Wellbore Integrity Solutions: 1 patents #6 of 35Top 20%
📍 Houston, TX: #146 of 21,073 inventorsTop 1%
🗺 Texas: #1,168 of 125,132 inventorsTop 1%
Overall (All Time): #36,768 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
5154231 Whipstock assembly with hydraulically set anchor Thomas F. Bailey, Larry F. Moeller 1992-10-13
5082020 Valve body for oilfield applications Thomas F. Bailey 1992-01-21
5062450 Valve body for oilfield applications Thomas F. Bailey 1991-11-05
5048621 Adjustable bent housing for controlled directional drilling Thomas F. Bailey 1991-09-17
5035292 Whipstock starter mill with pressure drop tattletale Thomas F. Bailey, Edmond Kagler, Jr. 1991-07-30
5022472 Hydraulic clamp for rotary drilling head Thomas F. Bailey 1991-06-11
4865137 Drilling apparatus and cutter Thomas F. Bailey 1989-09-12
4765404 Whipstock packer assembly Thomas F. Bailey 1988-08-23
4759413 Method and apparatus for setting an underwater drilling system Thomas F. Bailey 1988-07-26
4722615 Drilling apparatus and cutter therefor Thomas F. Bailey 1988-02-02
4646826 Well string cutting apparatus Thomas F. Bailey, Nehal Shah 1987-03-03
4533003 Drilling apparatus and cutter therefor Thomas F. Bailey, Allen Kent Rives, Nehal Shah 1985-08-06