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 1–50 of 137 inventors

RankNamePatents
1 Steven Paul Goodier 20
2 Irwin L. Goldblatt 16
3 Richard P. Sauer 14
#4 Peter Stuart Brett 12
#5 Oliver Paul Taylor 9
#6 Kevin Richard West 7
#6 Mark O'Malley 7
#6 Michael E. McHenry 7
#9 Frederick J. Boden 6
#9 Piers Sebastian Harding 6
#11 Christopher Dawson 5
#11 Richard Currie 5
#13 Gary Keith Jepps 4
#13 Gordon Lamb 4
#13 Herbert Frank Askew 4
#13 Thomas James McPherson 4
#17 Colin J. Harrington 3
#17 David Williams 3
#17 Hanna Hellman 3
#17 James Edward Moss 3
#17 Jason Phillips 3
#17 Jens Bo Andersen 3
#17 Rana Ali 3
#17 Richard Tittel 3
#17 Shean-Jer Chen 3
#17 Timothy Hugh Lake 3
#17 Andrew Philip Barnes 3
#17 Andrew Phillip Barnes 3
#17 Andrea Leeson 3
#30 Barney Hughes 2
#30 Brian H. Carter 2
#30 Brian Lodge 2
#30 Charles D. Barrett 2
#30 Giorgetto Giugiaro 2
#30 Gary Howard 2
#30 Hocine Faci 2
#30 John P. Davies 2
#30 John Gamston 2
#30 John Pragnell 2
#30 John Redshaw 2
#30 Krishan Arora 2
#30 Mark A. Edwards 2
#30 Manish R. Patel 2
#30 Michael E. Allen 2
#30 Michael Baker 2
#30 Mike Fairs 2
#30 Nicholas W. Groeger 2
#30 Paul DeBiasse 2
#30 Patrick J. Ruane 2
#30 Roger MORRIS 2