Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James William Sheppard — 2 Patents in 2021

EAEpiroc Drilling Tools Ab: 2 patents #1 of 6Top 20%
Johannesburg, ZA: #3 of 40 inventorsTop 8%
Overall (2021): #151,857 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11073018 Self-drilling hybrid rock anchor Greig Knox, Adrian Berghorst 2021-07-27
D922864 Resin anchored rock bolt Brendan Robert Crompton 2021-06-22