Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Whitehead — 3 Patents in 2018

SLSchweitzer Engineering Laboratories: 3 patents #2 of 58Top 4%
Pullman, WA: #2 of 52 inventorsTop 4%
Washington: #1,277 of 12,409 inventorsTop 15%
Overall (2018): #78,292 of 503,207Top 20%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10161986 Electric power system monitoring using distributed conductor-mounted devices Edmund O. Schweitzer, III, Shankar V. Achanta 2018-12-25
10122487 Time distribution switch Shankar V. Achanta, Henry Loehner 2018-11-06
10090664 Time-domain directional line protection of electric power delivery systems Edmund O. Schweitzer, III, Mangapathirao Venkata Mynam, Bogdan Z. Kasztenny, Armando Guzman-Casillas, Veselin Skendzic 2018-10-02