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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nathan E. Shelton — 5 Patents

KEK&N Engineering: 5 patents #10 of 19Top 55%
Riverside, CA: #189 of 1,241 inventorsTop 20%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Nathan E. Shelton has been granted 5 US patents while listed as an inventor at K&N Engineering. All of these patents were granted in 1998. Nathan E. Shelton ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Nathan E. Shelton in Riverside, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D403414 Cylindrical pleated air filter with top and sidewall filtering areas Duncan Bickerton 1998-12-29
D403416 Air filter with top filtering area and tapered sidewall filtering area Duncan Bickerton 1998-12-29
D401942 Filter cover Duncan Bickerton 1998-12-01
D401597 Shallow cylindrical air filter with top and side filtering areas Duncan Bickerton 1998-11-24
D401684 Air Filter Duncan Bickerton 1998-11-24