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

John Howard Luck — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Tecumseh, CA: #40 of 140 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
John Howard Luck has been granted 3 US patents while listed as an inventor at Unknown. The first was granted in 2019 and the most recent in September 2021. John Howard Luck ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Howard Luck in Tecumseh, ON, CA.

Patents per Year

Patents granted per year, 2019 to 2021Bar chart with a peak of 1 patents in 2019.peak 12019: 1 patents20192020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11131483 Heat transfer device for solar heating 2021-09-28
10605488 Heat transfer device for solar heating 2020-03-31
10288318 Heat transfer device for solar heat 2019-05-14