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

David Kirkwood

Applied Materials: 1 patents #4,780 of 7,310Top 70%
Pittsburgh, PA: #1,616 of 7,570 inventorsTop 25%
Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #982,479 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9867487 Hanger accessory device 2018-01-16
9380902 Hanger accessory device 2016-07-05
8281738 Cathode and counter-cathode arrangement in an ion source Andrew Stephen Devaney, Richard Goldberg, Christopher Burgess, David George Armour 2012-10-09
7549255 Modular system for constructing platform and shelving structures 2009-06-23
7546706 Modular system for constructing platform and shelving structures 2009-06-16