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

David Armstrong — 4 Patents

Google: 2 patents #10,599 of 22,993Top 50%
Hornsby, AU: #93 of 506 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Armstrong has been granted 4 US patents while listed as an inventor at Google. The first was granted in 1989 and the most recent in December 2025. David Armstrong ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Armstrong in Hornsby, AU.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12509149 Apparatus and a method for controlling steering Nick Solomon, William Ward 2025-12-30
10867125 Systems and methods for synchronizing comments to an electronic document across platforms John B. Patterson, Cayden Meyer, David Lattimore, Lior Biran 2020-12-15 $58,660,000
10339211 Systems and methods for synchronizing comments to an electronic document across platforms John B. Patterson, Cayden Meyer, David Lattimore, Lior Biran 2019-07-02 $29,234,000
4841441 Method of creating a computer system Rodger Nixon, Peter J. C. Roselli, Martin K. Lindley, Imogen E. de la Bere 1989-06-20