Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Darren Loo — 1 Patent

LFL.B. Foster: 1 patents #8 of 30Top 30%
Pittsburgh, PA: #4,609 of 7,570 inventorsTop 65%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Darren Loo has been granted 1 US patent while listed as an inventor at L.B. Foster. All of these patents were granted in 2024. Darren Loo ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Darren Loo in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12060089 Spraying apparatus for applying friction modifying material to railroad rail Davey Mitchell, David Elvidge, Doug McKay, Joel Vandermarel, Nigel Davis +1 more 2024-08-13 $2,057,000