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

Thomas L. Harman — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Houston, TX: #5,436 of 21,073 inventorsTop 30%
Texas: #33,915 of 125,132 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Thomas L. Harman has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2001 and the most recent in July 2018. Thomas L. Harman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Thomas L. Harman in Houston, TX, US.

Patents per Year

Patents granted per year, 2001 to 2018Bar chart with a peak of 2 patents in 2018.peak 22001: 1 patents20012017: 1 patents20172018: 2 patents2018

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10024571 Tankless water heater David E. Seitz, James Dabney, Louis Everett 2018-07-17
9874373 Tankless water heater David E. Seitz, James Dabney, Louis Everett 2018-01-23
9664413 Tankless water heater David E. Seitz, James Dabney, Louis Everett 2017-05-30
6246831 Fluid heating control system David E. Seitz, David P. Sharp, Louis Everett, Rodney H. Neumann 2001-06-12