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

Ethyl Products

Rank (All Time): #17,345 of 106,127Top 20%
14 inventors
37 Patents All Time

Top Inventors at Ethyl Products All Time

Showing 1–14 of 14 inventors

RankNamePatents
1 Efrem M. Ostrowsky 8
2 Donald C. Kirk, Jr. 7
3 Joseph J. Shay 6
#4 Roderick V. King 5
#5 James E. Burke 4
#6 Frank C. Page, III 2
#6 James C. McKinney 2
#6 Werner R. Luenser 2
#9 John R. Snyder 1
#9 Laurence E. Wiles 1
#9 Ralph E. Kruck 1
#9 Thomas H. Hayes 1
#9 Bruno A. Eibensteiner 1
#9 Cosmo J. Cianciolo 1