RT

Richard E. Thorp

Schlumberger Technology: 3 patents #1,953 of 7,293Top 30%
CL Camco Drilling Group Limited: 2 patents #9 of 27Top 35%
CH Camco Drilling Group Limited Of Hycalog: 2 patents #4 of 15Top 30%
CI Camco International: 1 patents #60 of 166Top 40%
Overall (All Time): #650,329 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8739897 Pressure compensation and rotary seal system for measurement while drilling instrumentation Raju M. Eason, Charles Borsos 2014-06-03
7178608 While drilling system and method James C. Mayes, Mario Araya 2007-02-20
7083008 Apparatus and method for pressure-compensated telemetry and power generation in a borehole Raju M. Eason 2006-08-01
6116355 Choke device Graham Watson, Douglas Caraway 2000-09-12
5673763 Modulated bias unit for rotary drilling 1997-10-07
5553678 Modulated bias units for steerable rotary drilling systems John D. Barr, Mark W. Burrell, Robert A. Russell, David Boast, John Martin Clegg 1996-09-10
5553679 Modulated bias unit for rotary drilling 1996-09-10
5520255 Modulated bias unit for rotary drilling John D. Barr, Robert A. Russell 1996-05-28