Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Eckroth — 6 Patents

CUCummins: 6 patents #252 of 2,217Top 15%
APAchates Power: 2 patents #37 of 79Top 50%
Columbus, IN: #299 of 1,378 inventorsTop 25%
Indiana: #6,140 of 33,936 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
David J. Eckroth has been granted 6 US patents while listed as an inventor at Cummins. The first was granted in 2020 and the most recent in October 2024. David J. Eckroth ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David J. Eckroth in Columbus, IN, US.

Patents per Year

Patents granted per year, 2020 to 2024Bar chart with a peak of 2 patents in 2024.peak 22020: 1 patents20202021: 1 patents20212022: 1 patents20222023: 1 patents20232024: 2 patents2024

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12129810 System and method for deburred port holes in a two-stroke engine Robert G. Sperry, Jordan E. Kelleher, Jeffrey A. Wheitner, Jeffrey D. Olmstead, Myron T. Rickard 2024-10-29 $38,310,000
12044191 Cylinder liner for internal combustion engine and method for installing the same 2024-07-23 $27,827,000
11686239 Systems and methods for equalizing backpressure in engine cylinders Daniel J. Mohr, Bogdan V. Pavlov, Nikhil J. Ajotikar, Yi-Cheng Chen 2023-06-27 $30,820,000
11319860 Systems and methods for equalizing backpressure in engine cylinders Daniel J. Mohr, Bogdan V. Pavlov, Nikhil J. Ajotikar, Yi-Cheng Chen 2022-05-03 $79,031,000
11067029 Systems and methods for coupling a cylinder head to a cylinder block David M. Barnes 2021-07-20 $46,520,000
10704449 Systems and methods for equalizing backpressure in engine cylinders Daniel J. Mohr, Bogdan V. Pavlov, Nikhil J. Ajotikar, Yi-Cheng Chen 2020-07-07 $55,521,000