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

Koppers Delaware — 17 Patents

Rank (All Time): #33,812 of 106,127Top 35%
26 inventors
17 Patents All Time

Top Inventors at Koppers Delaware All Time

Showing 1–26 of 26 inventors

RankNamePatents
1 John W. Mospan 11
2 W. Thomas Urmson, Jr. 6
3 William T. Urmson, Jr. 4
#4 Billy Jay Cairns 3
#4 Carl Camille Mueller 3
#4 James T. Dietz 3
#4 John M. Downey 3
#4 Ronald K. Junk 3
#4 Steven D. Singleton 3
#10 David R. Snyder 2
#10 Donald A. Bielski 2
#10 James A. Remington 2
#10 John Thomas Baron 2
#10 Kenneth C. Krupinski 2
#10 Michael Bech Malmqvist 2
#10 Patrick J. Boario 2
#10 Robert H. Wombles 2
#10 Thomas A. Golubic 2
#10 William E. Saver 2
#20 Brian R. Jones 1
#20 Daniel P. Gray 1
#20 Jun Zhang 1
#20 Kevin J. Costanzo 1
#20 Peter Tham 1
#20 Richard Jarosinski 1
#20 Stacey McKinney 1