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

David A. Hartley

Apple: 3 patents #7,422 of 18,612Top 40%
CICameron International: 1 patents #365 of 660Top 60%
Santa Cruz, CA: #533 of 1,911 inventorsTop 30%
California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #806,886 of 4,157,543Top 20%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11615727 Preemptive refresh for reduced display judder Kevin W. Sliech, Jason N. Gomez, Chengrui Le, Paolo Sacchetto, Arthur L. Spence 2023-03-28
10209767 Power management architecture Joseph T. DiBene, II, Inder M. Sodhi 2019-02-19
9580980 Tubing hanger running tool system and method Alan Appleyard, Ted Thornburrow, Paul Hesketh 2017-02-28
9495926 Variable frame refresh rate Brijesh Tripathi, Peter F. Holland, Arthur L. Spence, Axel Schumacher 2016-11-15
D643745 Package 2011-08-23
4768656 Collapsible stackable saddle rack 1988-09-06