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

Wilhelm Environmental Technologies — 12 Patents

Rank (All Time): #47,312 of 105,732Top 45%
7 inventors
12 Patents All Time

Patents per Year

Patents granted per year, 1991 to 2000Bar chart with a peak of 4 patents in 1994.peak 41991: 1 patents19911993: 2 patents19931994: 4 patents19941995: 1 patents19951996: 1 patents19961997: 2 patents19972000: 1 patents2000

Top Inventors at Wilhelm Environmental Technologies All Time

Showing 1–7 of 7 inventors

RankNamePatents
1 Robert A. Wright 11
2 David L. Woracek 2
2 Kent S. Duncan 2
#4 George R. Dennis 1
#4 Judson H. West, II 1
#4 Michael J. Lentz 1
#4 Richard L. Batttles 1