Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Don Moldenhauer — 2 Patents

HTHydro Tech: 1 patents #7 of 9Top 80%
Honeywell: 1 patents #10,106 of 16,504Top 65%
Clintonville, WI: #6 of 16 inventorsTop 40%
Wisconsin: #17,225 of 40,088 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Don Moldenhauer has been granted 2 US patents while listed as an inventor at Hydro Tech. The first was granted in 1981 and the most recent in August 2022. Don Moldenhauer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Don Moldenhauer in Clintonville, WI, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11408975 Display device for vertical presentation of forecast weather Jan Bilek, Zdenek Eichler, Melissa Ziarnick, Anup Raje, Pamela Mannon +1 more 2022-08-09 $36,886,000
4284246 Honey pit fertilization system Carl E. Engle 1981-08-18