Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Systech Environmental — 5 Patents

Rank (All Time): #96,168 of 105,732Top 95%
7 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1991 to 2017Bar chart with a peak of 2 patents in 1991.peak 21991: 2 patents19911994: 1 patents19941995: 1 patents19952017: 1 patents2017

Top Inventors at Systech Environmental All Time

Showing 1–7 of 7 inventors

RankNamePatents
1 Keith H. Carpenter 3
2 Alvin L. Gaunce 1
2 Ned J. Kleinhenz 1
2 Shawn E. McMullen 1
2 Mark N. Looman 1
2 Robert A. Schmall 1
2 Thomas J. Schultz 1