Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
PD

Phelps Dodge — 65 Patents

Rank (All Time): N/A of 106,120
74 inventors
65 Patents All Time

Top Inventors at Phelps Dodge All Time

Showing 1–50 of 74 inventors

RankNamePatents
1 John O. Marsden 22
2 Robert E. Brewer 18
3 Joanna M. Robertson 18
#4 David R. Baughman 18
#5 Wayne W. Hazen 18
#6 Philip Thompson 17
#7 Roland Schmidt 7
#8 Timothy G. Robinson 6
#9 Christel M. A. Bemelmans 6
#10 Scot P. Sandoval 6
#11 Donald J. Barta 5
#12 George H. Sollner 5
#13 John Kauffman 4
#14 Stanley Gilbert 4
#15 Antonioni C. Stevens 4
#16 George D. Hilker 3
#17 Weijun Yin 3
#18 George M. Meseha 3
#19 Jean-Louis Huens 3
#20 Peter Peckham 3
#21 Allan R. Knerr 3
#22 Jessie H. Coon 3
#23 Donald P. Satchell, Jr. 3
#24 James Jun Xu 2
#25 Benjamin A. Escobar, Jr. 2
#26 John T. Farraro 2
#27 Gilbert Montes 2
#28 Paul Richard Cook 2
#29 Thomas J. Chandler 2
#30 Donny R. Disque 2
#31 John Corrado 2
#32 Richard Westenfeld 2
#33 Fausto Tavares 2
#34 Lester J. Wahner 2
#35 Michael W. Lindvay 2
#36 James E. Bodette 1
#37 John W. Miller 1
#38 Fausto V. Travares 1
#39 Ramana V. Appadwedula 1
#40 G. Daniel Hilker 1
#41 Galen W. Clevenger 1
#42 Brent E. McEuen 1
#43 David Arana 1
#44 David Castanon 1
#45 Donald W. Treadaway 1
#46 Frank Aragon 1
#47 Gregory E. Collins 1
#48 James E. Hanson 1
#49 Jose G. Cruz 1
#50 John Gerlach 1