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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PI

Porton Instruments — 9 Patents

Rank (All Time): #59,090 of 105,732Top 60%
5 inventors
9 Patents All Time

Patents per Year

Patents granted per year, 1988 to 1994Bar chart with a peak of 4 patents in 1992.peak 41988: 1 patents19881990: 1 patents19901991: 1 patents19911992: 4 patents19921993: 1 patents19931994: 1 patents1994

Top Inventors at Porton Instruments All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Vincent R. Farnsworth 7
2 Paul K. Cartier, III 3
3 Vincent R. Fransworth 1
3 Paul Cartier 1
3 Vincent P. Farnsworth 1