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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David MacWilliam — 3 Patents

Schlumberger Technology: 3 patents #1,967 of 7,293Top 30%
Banchory, GB: #38 of 166 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David MacWilliam has been granted 3 US patents while listed as an inventor at Schlumberger Technology. The first was granted in 2012 and the most recent in July 2017. David MacWilliam ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David MacWilliam in Banchory, GB.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9696193 Real-time measurement of reservoir fluid properties Bradley Martin, Paul Guieze, Malcolm Atkinson, Bernard Theron 2017-07-04
8245572 System and method for analysis of well fluid samples Graham Birkett, Paul Ross, Mangus Wardle, Malcolm Atkinson 2012-08-21 $64,277,000
8109158 Sampling apparatus Paul Guieze, Kostas Kotzakoulakis 2012-02-07 $59,104,000