Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Kahl — 6 Patents

FUFully: 5 patents #1 of 2Top 50%
EAEaton: 1 patents #1,900 of 3,708Top 55%
Portland, OR: #2,489 of 9,213 inventorsTop 30%
Oregon: #6,449 of 28,073 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David Kahl has been granted 6 US patents while listed as an inventor at Fully. The first was granted in 2000 and the most recent in December 2020. David Kahl ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David Kahl in Portland, OR, US.

Patents per Year

Patents granted per year, 2000 to 2020Bar chart with a peak of 2 patents in 2019.peak 22000: 1 patents20002018: 1 patents20182019: 2 patents20192020: 2 patents2020

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $12,635,000