Robin Willis has been granted 4 US patents. The first was granted in 2019 and the most recent in March 2025. Robin Willis ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robin Willis in Vista, CA, US.
Patents per Year Patents granted per year, 2019 to 2025 Bar chart with a peak of 1 patents in 2019. peak 1 2019: 1 patents 2019 2021: 1 patents 2021 2023: 1 patents 2023 2025: 1 patents 2025
Issued Patents All Time
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Showing 1–4 of 4 patents
Patent # Title Co-Inventors Date
12240058 Apparatus and method for making internally finned pressure vessel Michael Zedelmair , Yi Chao 2025-03-04
11549644 Apparatus and method for making internally finned pressure vessel Michael Zedelmair , David M. Fratantoni , Yi Chao 2023-01-10
10989178 Environmental thermal energy conversion Jack A. Jones , Yi Chao , David M. Fratantoni , Michael Zedelmair , Robert Scott Leland 2021-04-27
10443581 Environmental thermal energy conversion Jack A. Jones , Yi Chao , David M. Fratantoni , Michael Zedelmair , Robert Scott Leland 2019-10-15