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

Castrol Limited

Rank (All Time): #6,527 of 106,127Top 7%
137 inventors
111 Patents All Time

Top Inventors at Castrol Limited All Time

Showing 51–100 of 137 inventors

RankNamePatents
#30 Rolf Skold 2
#30 Roger Chua Peng Tian 2
#30 Samir Chahine 2
#30 Sander Gaemers 2
#30 Sener Karagulle 2
#30 Simon Clegg 2
#30 Stephen T. McKenna 2
#30 Thomas Hardt 2
#30 William Hugh Preston 2
#30 Adriano Burger 2
#30 Adrian Michael Woodward 2
#30 Aldo Guiducci 2
#30 Amzar Yee Chee Seng 2
#30 Andrew J. Markson 2
#65 Barry D. Greig 1
#65 Barry J. Koppen 1
#65 Bernadeta Anna Pochopien 1
#65 Bryan Rabenau 1
#65 David James Atkinson 1
#65 Daniel Cadigan 1
#65 Danny Carlisle 1
#65 David Coates 1
#65 David P. Myerson 1
#65 David Eugene Salmon 1
#65 David J. Sparks 1
#65 Derek Jepson 1
#65 Donald J. Butterworth 1
#65 Gerald John Joseph Jayne 1
#65 Gerard Michael O'Brien 1
#65 Greg Saxon 1
#65 Hans Werner Moller 1
#65 Herbert W. Henkel 1
#65 Hideya Watada 1
#65 Howard Silver 1
#65 Ian Hew Crowther 1
#65 Ieuan Stephen Adams 1
#65 John Scotchford Elliott 1
#65 John S. Frazer 1
#65 John S. Knubley 1
#65 John W. Shabaker 1
#65 Kenneth Henderson 1
#65 Keith Whitefoot 1
#65 Kuniaki Matsui 1
#65 Laura De Laguno Gorria 1
#65 Martin E. Carrera 1
#65 Marcel Jerusalem 1
#65 Matthew Paul Wright 1
#65 Michael Fairs 1
#65 Michael Paul Sheldon 1
#65 Myron L. Brown 1