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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chemtrak — 14 Patents

Rank (All Time): #40,837 of 105,732Top 40%
11 inventors
14 Patents All Time

Patents per Year

Patents granted per year, 1990 to 1998Bar chart with a peak of 4 patents in 1995.peak 41990: 2 patents19901991: 2 patents19911992: 2 patents19921993: 2 patents19931994: 1 patents19941995: 4 patents19951998: 1 patents1998

Top Inventors at Chemtrak All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 Michael P. Allen 11
2 Prithipal Singh 4
3 Henry J. Jeong 3
#4 Robert B. Shibuya 2
#4 Urs A. Ramel 2
#6 Anthony Joseph DeLizza 1
#6 Douglas Earl Rife 1
#6 Pawanjit S. Sethi 1
#6 Pyare Khanna 1
#6 Sheng Li 1
#6 Wayne H. Schrier 1

Most Valuable Patents

All 100 most valuable US patents →