Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nelson E. Dervaes — 7 Patents

HAHach: 7 patents #15 of 214Top 8%
Fort Collins, CO: #697 of 3,421 inventorsTop 25%
Colorado: #6,721 of 40,980 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Nelson E. Dervaes has been granted 7 US patents while listed as an inventor at Hach. The first was granted in 1995 and the most recent in July 2025. Nelson E. Dervaes ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Nelson E. Dervaes in Fort Collins, CO, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12366522 Colorimeter optical measurement interference mitigation Russell Paul Gorham 2025-07-22
11612840 Filter life determination Lynn Ruth Leone 2023-03-28
11421672 Linear peristaltic pump with pinch and compression block arrangement Jordan Vin Raviv 2022-08-23
9625434 Dripless, permanent sealing assembly for container 2017-04-18
6533234 Self-centering system 2003-03-18
D412916 Microbiological bead separation magnet holder 1999-08-17
5393402 Electrode with crystal membrane John R. Dunkle 1995-02-28 $2,765,000