Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Philip Questad — 2 Patents

ELEldec: 1 patents #24 of 48Top 50%
TETeltone: 1 patents #5 of 11Top 50%
Kirkland, WA: #1,794 of 3,517 inventorsTop 55%
Washington: #35,700 of 76,902 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Philip Questad has been granted 2 US patents while listed as an inventor at Eldec. The first was granted in 1980 and the most recent in February 2001. Philip Questad ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Philip Questad in Kirkland, WA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6188199 Battery charge optimizing system Jon F. Beutler, Jeff Green, Qihong Huang, Mark Resler 2001-02-13
4214130 Signal coupler 1980-07-22