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USPTO Patent Rankings Data through Dec 31, 2025
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Stuart Schaaf — 15 Patents

Schlumberger Technology: 7 patents #902 of 7,293Top 15%
OTOrbital Traction: 4 patents #4 of 8Top 50%
CSC&J Spec-Rent Services: 1 patents #1 of 9Top 15%
Houston, TX: #1,432 of 21,073 inventorsTop 7%
Texas: #9,849 of 125,132 inventorsTop 8%
Overall (All Time): #307,048 of 4,157,543Top 8%
15 Patents All Time
Stuart Schaaf has been granted 15 US patents while listed as an inventor at Schlumberger Technology. The first was granted in 2000 and the most recent in January 2021. Stuart Schaaf ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Stuart Schaaf in Houston, TX, US.

Patents per Year

Patents granted per year, 2000 to 2021Bar chart with a peak of 2 patents in 2003.peak 22000: 1 patents20002001: 1 patents2003: 2 patents20032005: 2 patents2006: 1 patents20062007: 1 patents2014: 1 patents20142016: 1 patents2017: 1 patents20172018: 1 patents2019: 2 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $94,996,000
6840336 Drilling tool with non-rotating sleeve Alain P. Dorel, Albert E. Patterson, II 2005-01-11 $29,805,000
6837315 Rotary steerable drilling tool Attilio Pisoni, Ruben Martinez, Spyro Kotsonis 2005-01-04 $43,702,000
6610441 Annular pack Donald E. Hensley, Marvin Milewits, Fraser M. Walsh 2003-08-26 $97,073,000
6547010 Annular pack having mutually engageable annular segments Donald E. Hensley, Marvin Milewits, Fraser M. Walsh 2003-04-15 $56,416,000
6280874 Annular pack Donald E. Hensley, Marvin Milewits, Fraser M. Walsh 2001-08-28 $104,409,000
6057784 Apparatus and system for making at-bit measurements while drilling Jean Seydoux, Walter Thain, Marcus D. Wernig, Alain P. Dorel 2000-05-02 $243,141,000

Frequent Collaborators

Marcus D. Wernig4 shared
Donald E. Hensley3 shared
Fraser M. Walsh3 shared
Marvin Milewits3 shared
Alain P. Dorel3 shared
Michael P. Bujold3 shared

Nearby-Ranked Inventors

Naoya Kasahara15
Aaron Larry Snyder15
Avishay Meron15
Stuart Hatfield15
Satoshi KUNIYASU15
Ashton Mason15
Theodore Yuchiang Cheng15
Richard Sharbaugh15
Rajen Bhatt15