Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Roy Keith Smith

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
Katy, TX: #1,203 of 2,042 inventorsTop 60%
Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,175,444 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8534213 Skid shoe assembly for loading and transporting large structures James Scott Chitwood, David Alex Knoll, Edward Stephen Piter, William Michael Pritchett, Wilbert Ray Ulbricht 2013-09-17