Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
LB

Len Barton

Ullapool, GB: #1 of 2 inventorsTop 50%
Overall (2020): #377,544 of 565,922Top 70%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10689918 Retrievable re-connecting device with internal seal and slips for connecting to the top of an existing tubing in a well bore Mats Johansson, Borre Loviknes 2020-06-23