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

David Kahl

FUFully: 5 patents #1 of 2Top 50%
EAEaton: 1 patents #1,900 of 3,708Top 55%
Portland, OR: #2,461 of 9,213 inventorsTop 30%
Oregon: #6,381 of 28,073 inventorsTop 25%
Overall (All Time): #830,062 of 4,157,543Top 20%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D904040 Chair 2020-12-08
10667611 Active seating apparatus 2020-06-02
D855338 Chair Hans C. Mengshoel 2019-08-06
D855368 Seat portion of a chair Hans C. Mengshoel 2019-08-06
D833790 Base portion of a chair Hans C. Mengshoel 2018-11-20
6034617 Operator intent based passive keyless vehicle control system Charles John Luebke, Thomas J. Waraksa, John Prainito, Richard C. Barthel, James Poirier 2000-03-07