VI

Varco I/P

Rank (All Time): #3980 of 106,127Top 4%
168 inventors
191
Patents All Time

Top Inventors at Varco I/P All Time

Showing 1–50 of 168 inventors

RankNamePatents
1 Kenneth W. Seyffert 36
2 Guy L. McClung, III 32
3 David Schulte 26
#4 Thomas C. Adams 21
#5 David W. Largent 15
#6 Charles N. Grichar 14
#6 George I. Boyadjieff 14
#8 Robert Folk 13
#8 Steven Lorne Folk 13
#10 George Alexander Burnett 12
#11 David Mason 11
#11 Hans van Rijzingen 11
#13 Frank Benjamin Springett 10
#14 Brian L. Eidem 9
#14 Clive Lam 9
#14 Daniel Juhasz 9
#17 Lawrence E. Wells 8
#18 Eric Scott 7
#18 Herman M. Kamphorst 7
#18 Neil Edward West 7
#18 Richard James Koch 7
#18 William L. Koederitz 7
#18 Anton Krijnen 7
#24 Gustaaf Louis van Wechem 6
#24 Jeffrey E. Walker 6
#24 John E. Goode 6
#24 Kerry Ward 6
#24 Vincent D. Leone 6
#29 Hans Joachim Dietrich Böttger 5
#29 James D. Brugman 5
#29 James Michael McIntosh 5
#29 Lyndon Stone 5
#29 Preston R. Fox 5
#29 Ronald W. Yater 5
#35 Brent Marsh 4
#35 David J. McWhorter 4
#35 David Wood 4
#35 Dean Allen Bennett 4
#35 Eric Trevor Ensley 4
#35 Gary Steven Strong 4
#35 Mallappa Guggari 4
#35 Manfred Worms 4
#35 Padmasiri Daya Seneviratne 4
#35 Robert Parker 4
#35 Troy D. Cain 4
#46 Cliff Swiontek 3
#46 Colin Crabb 3
#46 Hector M. Murray 3
#46 Howard Ervin 3
#46 Jefrey E. Walker 3