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USPTO Patent Rankings Data through Dec 31, 2025
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Duane Eric Krumweide — 2 Patents

COComposite Optics: 2 patents #2 of 21Top 10%
Escondido, CA: #603 of 1,330 inventorsTop 50%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Duane Eric Krumweide has been granted 2 US patents while listed as an inventor at Composite Optics. The first was granted in 1995 and the most recent in March 2004. Duane Eric Krumweide ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Duane Eric Krumweide in Escondido, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6713670 Electrostatically clean solar array Theodore Garry Stern 2004-03-30
5471367 Composite structure for heat transfer and radiation Gary C. Krumweide, Randy Wayne Clark 1995-11-28