Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
WM

William Marshall — 2 Patents

Schlumberger Technology: 2 patents #2,630 of 7,293Top 40%
Richmond, TX: #263 of 594 inventorsTop 45%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William Marshall has been granted 2 US patents while listed as an inventor at Schlumberger Technology. The first was granted in 2014 and the most recent in September 2015. William Marshall ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William Marshall in Richmond, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9121402 Pump body Rod Shampine, Edward Leugemors, Hubertus V. Thomeer 2015-09-01 $52,469,000
8794307 Wellsite surface equipment systems Laurent Coquilleau, Edward Leugemors, Rod Shampine, Philippe Gambier, Hubertus V. Thomeer 2014-08-05 $79,321,000