SS

Stuart Schaaf

Schlumberger Technology: 7 patents #897 of 7,293Top 15%
OT Orbital Traction: 4 patents #4 of 8Top 50%
CS C&J Spec-Rent Services: 1 patents #1 of 9Top 15%
Overall (All Time): #317,617 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10895113 Drilling system, biasing mechanism and method for directionally drilling a borehole Marcus D. Wernig 2021-01-19
10443692 Fluid movement systems including a continuously variable transmission Michael P. Bujold, Joseph D. Kliewer 2019-10-15
10301877 Drilling system, biasing mechanism and method for directionally drilling a borehole Marcus D. Wernig 2019-05-28
10006526 Fluid movement systems including a continuosly variable transmission Michael P. Bujold, Joseph D. Kliewer 2018-06-26
9556678 Drilling system, biasing mechanism and method for directionally drilling a borehole Marcus D. Wernig 2017-01-31
9464701 Fluid movement systems including a continuously variable transmission Michael P. Bujold, Joseph D. Kliewer 2016-10-11
8639423 Power split device and method Sam Akehurst 2014-01-28
7234543 Systems and methods for directionally drilling a borehole using a continuously variable transmission 2007-06-26
7004263 Directional casing drilling Keith Moriarty, Michael Robert Johnson, Attilio Pisoni, Ruben Martinez, Spyro Kotsonis +2 more 2006-02-28
6840336 Drilling tool with non-rotating sleeve Alain P. Dorel, Albert E. Patterson, II 2005-01-11
6837315 Rotary steerable drilling tool Attilio Pisoni, Ruben Martinez, Spyro Kotsonis 2005-01-04
6610441 Annular pack Donald E. Hensley, Marvin Milewits, Fraser M. Walsh 2003-08-26
6547010 Annular pack having mutually engageable annular segments Donald E. Hensley, Marvin Milewits, Fraser M. Walsh 2003-04-15
6280874 Annular pack Donald E. Hensley, Marvin Milewits, Fraser M. Walsh 2001-08-28
6057784 Apparatus and system for making at-bit measurements while drilling Jean Seydoux, Walter Thain, Marcus D. Wernig, Alain P. Dorel 2000-05-02