Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Runcorn, GB ranks #4,616 worldwide for total patents filed all time, with 593 patents from 119 inventors. Leading employers of inventors based in Runcorn, GB include Mexichem Amanco Holdings S.A. De C.V., ICI, Acal Energy.

Showing 1–50 of 119 inventors

Rank Inventor Primary Company Patents
1 Andrew P. Sharratt Mexichem Amanco Holdings S.A. De C.V. 68
2 Robert E. Low Mexichem Amanco Holdings S.A. De C.V. 50
3 John Christopher Padget ICI 40
#4 Colin Ramshaw ICI 25
#5 Roger N. Rothon ICI 16
#5 Kevin Kendall ICI 16
#7 Andrew Martin Creeth Acal Energy 15
#8 Donald A. Wellings Spheritech 14
#9 Paul Gough Philips 13
#9 Maurice Joseph Prendergast The Procter & Gamble 13
#11 Leslie Burgess ICI 12
#12 Margaret L. Steel ICI 11
#12 Philip Norton-Berry ICI 11
#12 Peter A. Gemmell ICI 11
#12 Thomas W. Boulton ICI 11
#16 Jozef Nemcek ICI 9
#17 Jane Lesley Butcher ICI 8
#18 Shigeki Annaka Ykk 7
#18 Graham Whittaker ICI 7
#20 Angus J. Hartshorn ICI 6
#20 Paul Delivett Appsense Limited 6
#20 Michael I. Mitchell ICI 6
#20 Harald Ritchie Thermo Electron Manufacturing Limited 6
#20 Brian J. Darwent ICI 6
#20 Claire Nicola Rees Mexichem Amanco Holdings S.A. De C.V. 6
#26 William A. Barlow ICI 5
#26 Martyn H. Stacey ICI 5
#26 David Rochester Acal Energy 5
#26 John Molyneux Chloride Silent Power Limited 5
#26 Colin Stanier ICI 5
#26 Brian Kenneth Revill ICI 5
#26 Roy D. Bowden ICI 5
#26 Michael L. Orton ICI 5
#26 Geoffrey Cowen ICI 5
#26 Edward W. Williams ICI 5
#36 Anthony I. Hopwood Ilford Ag 4
#36 James R. Halsall ICI 4
#36 Diana Anderson Interox Chemicals Limited 4
#36 Roger M. Turner ICI 4
#36 Brian John Hamerslagh Advanced Medical Solutions Limited 4
#36 John J. Bennison Dearborn Chemical Company Limited 4
#36 Terence Goulding ICI 4
#36 Peter Paul Clayton ICI 4
#44 John R. Corfield Eli Lilly 3
#44 Robert W. Wheelhouse ICI 3
#44 James H. Steven ICI 3
#44 Donald J. Bye ICI 3
#44 Francis R. Sherliker ICI 3
#44 Michael F. Stackpool Chloride Silent Power Limited 3
#44 Paul Ingham Dearborn Chemical Company Limited 3