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

John Ringstad — 6 Patents

CSCummins Emission Solutions: 4 patents #76 of 448Top 20%
CUCummins: 2 patents #751 of 2,217Top 35%
Oregon, WI: #39 of 147 inventorsTop 30%
Wisconsin: #7,934 of 40,088 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John Ringstad has been granted 6 US patents while listed as an inventor at Cummins Emission Solutions. The first was granted in 2016 and the most recent in September 2025. John Ringstad ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John Ringstad in Oregon, WI, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12414265 Common rail cooling plate 2025-09-09
11858330 Battery servicing apparatus Brandon S. Degner 2024-01-02 $20,529,000
11725561 Systems and methods for sampling exhaust gas Peter Christianson 2023-08-15 $18,249,000
11608767 Exhaust aftertreatment sensor table mounting apparatus and method of installing the same Brandon S. Degner, James Klingbeil 2023-03-21 $47,825,000
11149609 Aftertreatment system for mixing a reductant in an exhaust gas flowing therethrough Ken Hummel, Atul Abhyankar 2021-10-19 $29,333,000
9297286 Aftertreatment system for an engine Justin Kruer, Atul Abhyankar, Ken Hummel 2016-03-29 $32,788,000