Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
PE

Petroferm

Rank (All Time): #43,952 of 106,127Top 45%
18 inventors
13 Patents All Time

Top Inventors at Petroferm All Time

Showing 1–18 of 18 inventors

RankNamePatents
1 Michael E. Hayes 9
2 Kevin R. Hrebenar 4
2 Paul L. Bolden, Jr. 4
#4 Donald P. Hosman 3
#4 Robert D. Sell 3
#4 Anthony J. O'Lenick, Jr. 3
#7 Elizabeth A. Bivins 2
#8 Christopher Shannon 1
#8 Jacquelyn B. Coleman 1
#8 James F. Deal, III 1
#8 Jeff K. Parkinson 1
#8 John E. Braddy 1
#8 Laurence E. Futch, Jr. 1
#8 Nelson E. Prieto 1
#8 Patricia L. Murphy 1
#8 Robert T. Torbush 1
#8 Steven B. Hayes 1
#8 Byron A. Starkweather 1