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

International Coal Refining

Rank (All Time): #18,197 of 106,127Top 20%
33 inventors
35 Patents All Time

Top Inventors at International Coal Refining All Time

Showing 1–33 of 33 inventors

RankNamePatents
1 Edwin N. Givens 9
2 David S. Hoover 4
2 Edward P. Foster 4
2 John C. Tao 4
2 Ronald W. Skinner 4
2 Robert M. Thorogood 4
#7 Burtron H. Davis 3
#7 David Hon Sing Ying 3
#7 Frank K. Schweighardt 3
#7 Kenneth L. Baumert 3
#7 Samuel Znaimer 3
#7 Alberto A. Sagues 3
#13 Dennis R. Lennon 2
#13 George W. Roberts 2
#13 James C. Bronfenbrenner 2
#13 Krishna Tewari 2
#17 Chung-Liang Yeh 1
#17 Diwaker Garg 1
#17 Doohee Kang 1
#17 Dohee Kang 1
#17 Ernest E. Donath 1
#17 Eugene J. Greskovich 1
#17 Gerald C. Rappe 1
#17 James A. Mulholland 1
#17 Peter M. Girling 1
#17 Robert N. Miller 1
#17 Robert F. Weimer 1
#17 Wayne Thomas McDermott 1
#17 Ilse S. Kingsley 1
#17 George T. Bellas 1
#17 Richard B. Snedden 1
#17 T. Craig Derbidge 1
#17 Frank Schweigharett 1