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

E.O. Schweitzer Mfg. — 15 Patents

Rank (All Time): #37,908 of 105,732Top 40%
5 inventors
15 Patents All Time

Patents per Year

Patents granted per year, 1990 to 2006Bar chart with a peak of 4 patents in 2000.peak 41990: 1 patents19901999: 1 patents19992000: 4 patents20002002: 2 patents20022004: 2 patents20042005: 3 patents20052006: 2 patents2006

Top Inventors at E.O. Schweitzer Mfg. All Time

Showing 1–5 of 5 inventors

RankNamePatents
1 Laurence V. Feight 8
2 Edmund O. Schweitzer, Jr. 7
2 Kurt James Fenske 7
#4 James Manley Duros 1
#4 Kirk S. Thomas 1