Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Colin P. Leach — 3 Patents

COConoco: 3 patents #121 of 638Top 20%
Houston, TX: #6,736 of 21,073 inventorsTop 35%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Colin P. Leach has been granted 3 US patents while listed as an inventor at Conoco. The first was granted in 1988 and the most recent in March 1989. Colin P. Leach ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Colin P. Leach in Houston, TX, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4813495 Method and apparatus for deepwater drilling 1989-03-21
4784224 Casing guide for well template Charles N. White 1988-11-15
4762180 Modular near-surface completion system Pieter G. Wybro 1988-08-09