Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Christopher J. Markham — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Sparta, NJ: #136 of 375 inventorsTop 40%
New Jersey: #29,833 of 69,400 inventorsTop 45%
Overall (All Time): #1,985,717 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9702336 Low profile ocean pump array generation station Stephen Markham 2017-07-11
6641830 Deer repellent 2003-11-04