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USPTO Patent Rankings Data through Dec 31, 2025
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William E. Evans — 6 Patents

VAVaro: 3 patents #9 of 44Top 25%
RURoussel Uclaf: 1 patents #224 of 430Top 55%
SISri International: 1 patents #681 of 1,272Top 55%
Los Altos Hills, CA: #345 of 812 inventorsTop 45%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
William E. Evans has been granted 6 US patents while listed as an inventor at Varo. The first was granted in 1980 and the most recent in January 1992. William E. Evans ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list William E. Evans in Los Altos Hills, CA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5082185 Spray wand without liquid leakage 1992-01-21
4953792 Dry powder applicator 1990-09-04
4458199 Link regulator with feed forward switching control Jimmie D. Gillett 1984-07-03 $480,000
4447867 Multiphase inverter drive circuit with synchronized switching delay feature Jimmie D. Gillett 1984-05-08 $550,000
4441062 Missing pulse detector for a synchronous motor drive Jimmie D. Gillett 1984-04-03 $512,000
4216498 Visibility monitor employing television camera William Viezee 1980-08-05 $435,000