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

Essef

Rank (All Time): #15,716 of 106,127Top 15%
36 inventors
41 Patents All Time

Top Inventors at Essef All Time

Showing 1–36 of 36 inventors

RankNamePatents
1 James C. Murphy 10
2 Edward T. LeBreton 7
3 Robert D. Wilkes 5
#4 Erik Coeckelbergs 3
#4 Gerald S. Boyce 3
#4 James C. Hlebovy 3
#4 Ronald B. Robol 3
#8 Charles P. Chirdon 2
#8 George Shoemaker Ellis 2
#8 J. Tad Heyman 2
#8 Jim Hlebovy 2
#8 Kevin Goodge 2
#8 Laurence M. Bierce 2
#8 Mark D. Shaw 2
#8 Steven C. Suchanek 2
#8 Thomas G. Carter 2
#17 Christian Gargiulo 1
#17 Charles Molina 1
#17 Dana Mortensen 1
#17 Darrel Ralph 1
#17 Douglas M. Horner 1
#17 George J. Cooke 1
#17 George Korzeniowski 1
#17 Kenneth R. Kothera 1
#17 Michael Lee Dulisse 1
#17 Nicholas Herald, Jr. 1
#17 Rick Fogle 1
#17 Robert J. Pristas 1
#17 Robert L. Zimmerman 1
#17 Stanley H. Frederick 1
#17 William B. Goldsworthy 1
#17 Charles D. Poellet 1
#17 Charles Sugalski 1
#17 William J. Granchi 1
#17 Michel Liekens 1
#17 Arthur M. Kepler 1