Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Felipe J. Castillo — 9 Patents

ZTZero E Technologies: 9 patents #1 of 16Top 7%
Wheat Ridge, CO: #14 of 146 inventorsTop 10%
Colorado: #5,216 of 40,980 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Felipe J. Castillo has been granted 9 US patents while listed as an inventor at Zero E Technologies. The first was granted in 2019 and the most recent in December 2024. Felipe J. Castillo ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Felipe J. Castillo in Wheat Ridge, CO, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12176764 Stator and method of fabricating a stator Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2024-12-24
11764627 Electric machine cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2023-09-19
11342803 Electric machine cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2022-05-24
11056942 Electric machine rotor cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2021-07-06
10855127 Electric machine stator cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2020-12-01
10505421 Electric machine stator cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2019-12-10
10256688 Electric machine rotor cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2019-04-09
10256700 Robust permanent magnet electric machine and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2019-04-09
10177631 Electric machine stator cooling systems and methods Thomas H. Hopkins, Scott T. Graham, Keith W. Klontz 2019-01-08