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

Robert Dunning — 3 Patents

SPSpx: 2 patents #142 of 468Top 35%
The Goodyear Tire & Rubber: 1 patents #1,860 of 3,057Top 65%
Spokane, WA: #289 of 1,134 inventorsTop 30%
Washington: #28,186 of 76,902 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert Dunning has been granted 3 US patents while listed as an inventor at Spx. The first was granted in 1993 and the most recent in January 2013. Robert Dunning ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert Dunning in Spokane, WA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8344826 Phased-array antenna filter and diplexer for a super economical broadcast system Chris Rossiter, Torbjorn Johnson 2013-01-01
8063723 Filter apparatus and method Christopher Rossiter 2011-11-22 $10,197,000
5262240 Aggregate treatment Gerald Owen Schulz 1993-11-16 $9,615,000