Showing 1–50 of 794 inventors

Rank Inventor Primary Company Patents
1 Christopher James Mccaughan Hay Hayco Manufacturing Limited 77
2 Neil Andrew Abercrombie Simpson Weatherford/Lamb 71
3 Hans Paul Hopper Cameron International 66
3 Bruce McGarian Smith International 66
#5 George Telfer Specialised Petroleum Services Group Limited 64
#6 Claude Michel Wischik Wista Laboratories 52
#7 Imke Elisabeth MULDER 4D Pharma Research Limited 48
#8 Stewart T. Leslie Euro-Celtique S.A. 41
#9 Paul Howlett Specialised Petroleum Services Group Limited 38
#10 Paul Hazel Welltec A/S 35
#11 Brian Nutley Swelltec Limited 31
#11 James Peter Sinclair Wista Laboratories 31
#13 Michael Wardley Ardyne Holdings, Limited 28
#13 Colin Marshall Wista Laboratories 28
#13 Shaun Compton Ross Metrol Technology Limited 28
#16 Jean Boulet Institut Francais Du Petrole 27
#17 Ehud Baruch Reiter Arria Data2Text Limited 25
#17 Krzysztof Karol Machocki Saudi Arabian Oil 25
#17 Michael Affleck Saudi Arabian Oil 25
#20 Rory McCrae Tulloch Smith International 24
#20 Janet Elizabeth Rickard Wista Laboratories 24
#22 David Horsley Wista Laboratories 23
#23 Seanin MCCLUSKEY 4D Pharma Research Limited 21
#24 Andrew Philip Churchill Churchill Drilling Tools Limited 20
#24 Iain Robert Greig Pimco 2664 Limited 20
#24 James Linklater Ardyne Holdings, Limited 20
#24 Ian Kirk Downhole Products Plc 20
#24 Anita Hamilton Merck 20
#29 Wayne Rudd Weatherford/Lamb 19
#29 Thomas Craven Baddeley Wista Laboratories 19
#31 Graham Hitchcock Saudi Arabian Oil 18
#32 Neil A. A. Simpson Weatherford/Lamb 17
#33 Scott E. Wallace Halliburton Manufacturing And Services Limited 16
#33 Philip Rae Bj Services 16
#35 Alan Fairweather Ardyne Holdings, Limited 15
#35 Ewan Smith Halliburton Manufacturing And Services Limited 15
#35 James Edward Atkins Schlumberger Technology 15
#35 George GRANT 4D Pharma Research Limited 15
#35 Kathryn Armour The Dow Chemical 15
#40 Iain Ronald Gibson The University Court Of The University Of Aberdeen 14
#41 Bernard Theron Schlumberger Technology 13
#41 Suaad AHMED 4D Pharma Research Limited 13
#43 John R. Mallard National Research Development 12
#43 Colin McHardy Weatherford/Lamb 12
#45 Johann Springer Alcatel N.V. 11
#45 William Barron Downhole Products Plc 11
#45 Graham Carter Merck 11
#45 Caroline Barelle Elasmogen 11
#45 Janet Mabel Scott Skakle The University Court Of The University Of Aberdeen 11
#45 John Neil Morrison Accenture Global Services Limited 11