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

Patrick Littlejohn — 1 Patent

Vancouver, CA: #2,991 of 5,070 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Patrick Littlejohn has been granted 1 US patent. All of these patents were granted in 2018. Patrick Littlejohn ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Patrick Littlejohn in Vancouver, BC, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9963360 Removal of dissolved selenium from aqueous solutions David Kratochvil, Farzad Mohammadi, David Sanguinetti 2018-05-08