Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Daniel M. Schum — 6 Patents

APAchates Power: 6 patents #15 of 79Top 20%
San Diego, CA: #6,385 of 23,606 inventorsTop 30%
California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #799,398 of 4,157,543Top 20%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12055111 Exhaust catalyst light-off in an opposed-piston engine Ahmad Ghazi, Fabien G. Redon, Samrat M. Patil 2024-08-06
11815042 Exhaust catalyst light-off in an opposed-piston engine Ahmad Ghazi, Fabien G. Redon, Samrat M. Patil 2023-11-14
11242809 Exhaust catalyst light-off in an opposed-piston engine Ahmad Ghazi, Fabien G. Redon, Samrat M. Patil 2022-02-08
10598104 Mass airflow sensor monitoring using supercharger airflow characteristics in an opposed-piston engine Vadiraj P. Kulkarni 2020-03-24
10161345 Control of airflow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine during transient operation Arunandan Sharma, Nishit Nagar, Suramya D. Naik 2018-12-25
9926867 Maintaining EGR flow in a uniflow-scavenged, two-stroke cycle, opposed-piston engine Arunandan Sharma 2018-03-27