Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Willard S. Davidson — 3 Patents

CHChart: 1 patents #36 of 79Top 50%
CGCpt Group Gmbh: 1 patents #7 of 69Top 15%
Maplewood, MN: #215 of 510 inventorsTop 45%
Minnesota: #19,251 of 52,454 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Willard S. Davidson has been granted 3 US patents while listed as an inventor at Chart. The first was granted in 1989 and the most recent in June 2005. Willard S. Davidson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Willard S. Davidson in Maplewood, MN, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6910482 Self-calibrating supplemental oxygen delivery system Peter L. Bliss 2005-06-28
6470222 Dental delivery system Cheryl L. Davidson 2002-10-22
H696 System for accessing shared resource device by intelligent user devices 1989-10-03