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

Chemetron Process Equipment — 5 Patents

Rank (All Time): #104,039 of 105,732Top 100%
6 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1981 to 1984Bar chart with a peak of 2 patents in 1981.peak 21981: 2 patents19811982: 1 patents19821983: 1 patents19831984: 1 patents1984

Top Inventors at Chemetron Process Equipment All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Gordon C. Trabue 2
2 Benjamin Sieradzki 1
2 Charles C. Hawley 1
2 Robert L. Smith 1
2 William Maxwell Allen, Jr. 1
2 Douglas J. Metzroth 1