KO

Koppers

Rank (All Time): #4442 of 106,127Top 5%
126 inventors
168
Patents All Time

Top Inventors at Koppers All Time

RankNamePatents
1 Gerd Leston 19
2 Hans Dressler 9
3 Nicholas P. Greco 7
#4 William Eric Wallace 7
#5 Philip H. Harju 5
#6 William T. Gormley 5
#7 Eugene A. Pasek 4
#8 Faiz Pourarian 4
#9 George R. Cain 4
#10 Stanley R. Prew 4
#11 Yoshiyuki Okamoto 4
#12 Byung Kook Ahn 3
#13 Carl Lindgren 3
#14 Edward Harris 3
#15 Harlan J. Demers 3
#16 Hilda Howell 3
#17 James R. Boose 3
#18 John F. Kamody 3
#19 Michael Perch 3
#20 Robert Hill 3
#21 Rodney C. Irwin 3
#22 Craig R. McIntyre 2
#23 Donald J. Gerber 2
#24 Edward W. Kifer 2
#25 George M. Bretz 2
#26 Glenn H. Falck 2
#27 Gui Yu 2
#28 James P. Colton 2
#29 Jack Hyde 2
#30 John D. Carlson 2
#31 John W. Pfeiffer 2
#32 Kenneth K. Carman 2
#33 Michael M. Calistrat 2
#34 Michael J. Kozy 2
#35 Philip S. Lowell 2
#36 Piotr S. Wojciechowski 2
#37 Samuel N. Holter 2
#38 Stanley G. Webb 2
#39 Vijay K. Sinha 2
#40 Vincent J. Wojtyna 2
#41 William D. Pilesi 2
#42 Andrew Becker 2
#43 Anthony A. Latowski 2
#44 Bernard R. Kuchta 1
#45 C. Donald Fisher 1
#46 Chester D. Fisher 1
#47 Daniel A. Eakin 1
#48 Dennis G. De Wald 1
#49 Donald Atkinson 1
#50 Donald A. Lederer 1
#51 Donald T. Winter 1
#52 Earl D. Brennan 1
#53 Edward W. McGovern 1
#54 Elwood V. Schulte 1
#55 Eugene Ziegler 1
#56 Evearist B. Wilson 1
#57 Frederick M. Covelli 1
#58 George Bradley Mills 1
#59 Gordon L. Morgret 1
#60 Harry Trautmann 1
#61 Hans A. Ward 1
#62 Herman P. Doerge 1
#63 Hendrik J. Kroeze 1
#64 James B. Noe 1
#65 James L. Phillips 1
#66 Jesse Barnes 1
#67 Joseph Becker, Jr. 1
#68 John T. Day 1
#69 John G. Fischer 1
#70 Johan H. Hemel 1
#71 John J. Kozak 1
#72 Joseph Lacona 1
#73 Joseph E. Rice 1
#74 John V. Vargo, Jr. 1
#75 John O. Wright 1
#76 Kenneth R. Call 1
#77 Kenneth A. Heaton 1
#78 Kenneth A. Morris 1
#79 Kent W. Thurston 1
#80 Lawrence M. McClure 1
#81 Meyer L. Ruthenberg 1
#82 P. Richard Hergenrother 1
#83 Raymond L. Bender 1
#84 Richard Thomas Hood 1
#85 Richard C. Mess 1
#86 Richard Vicari 1
#87 Robert D. Arsenault 1
#88 Robert P. Bixby 1
#89 Robert H. Bright 1
#90 Robert Lovell 1
#91 Ronald O. McClelland 1
#92 Roy H. Moult 1
#93 Robert C. Rogers 1
#94 Rune G. Franzen 1
#95 S. Hudson Owen 1
#96 Stanley T. Sczerba 1
#97 Terry McQuarrie 1
#98 Theodore Kuwana 1
#99 William Carson 1
#100 William D. Edgar 1