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

Stephen E. Hannah — 4 Patents in 2020

GSGatekeeper Systems: 4 patents #1 of 6Top 20%
Placentia, CA: #2 of 30 inventorsTop 7%
California: #6,299 of 68,989 inventorsTop 10%
Overall (2020): #43,961 of 565,922Top 8%
4 Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10858024 Navigation systems for wheeled carts Scott J. Carter, Jesse M. James, Narayanan Ramanathan, Robert M. Harling, Jack L. Johnson 2020-12-08
10745040 Motorized cart retriever for monitoring cart status Scott J. Carter, Jesse M. James 2020-08-18
10730541 Navigation systems and methods for wheeled objects Scott J. Carter, Jesse M. James 2020-08-04
10546502 Estimating motion of wheeled carts Scott J. Carter, Jesse M. James, Narayanan Ramanathan 2020-01-28