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

David Johns — 5 Patents

RPRpx: 1 patents #46 of 187Top 25%
Woodinville, WA: #483 of 1,504 inventorsTop 35%
Washington: #19,692 of 76,902 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Johns has been granted 5 US patents while listed as an inventor at Rpx. The first was granted in 1986 and the most recent in October 2019. David Johns ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Johns in Woodinville, WA, US.

Patents per Year

Patents granted per year, 1986 to 2019Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19861999: 1 patents19992009: 1 patents20092013: 1 patents20132019: 1 patents2019

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10456959 Bamboo railroad tie manufacturing system Jason Avraham, Patrick Wang, Jean-Luc Kouyoumji, Reuben Smith 2019-10-29
8473606 Network monitoring system Sandy Kronenberg, Harmon Nine, Fredrick Eisley, Matt Cognata 2013-06-25 $4,949,000
7490066 Method, apparatus, and article of manufacture for a network monitoring system Sandy Kronenberg, Harmon Nine, Fredrick Eisele, Matthew Cognata 2009-02-10
5909964 Crease ironing apparatus 1999-06-08
4621252 Safety apparatus Kieran J. Donlon, Manfred E. Braun 1986-11-04