Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Perth, GB ranks #13,069 worldwide for total patents filed all time, with 132 patents from 42 inventors. Leading employers of inventors based in Perth, GB include Astex Therapeutics Limited, Ncr, Usf Filtration And Separations Group.

Showing 1–42 of 42 inventors

Rank Inventor Primary Company Patents
1 Paul Graham Wyatt Astex Therapeutics Limited 28
2 Gordon Chisholm Ncr 12
3 Humphrey John Jardine Drummond Usf Filtration And Separations Group 7
3 Jonathan James Hollick Cyclacel Limited 7
#5 Christophe Emmanuel Sarran Tayside Flow Technologies 6
#6 Russell A. Leather Ferranti Limited 5
#7 Alasdair John Joseph Bailey Oracle 4
#7 Denise Couper Diebold 4
#7 Grant Buchanan Fraser Ncr 4
#10 Graham Gibbons Subsea 7 Limited 3
#10 Steve Swaine Ncr 3
#10 Shannon Louise McGrath Ncr Atleos 3
#10 Andrew Davis Ncr 3
#10 John Beatson Kanthal Gmbh 3
#15 Steve Buchan Andrew 2
#15 David Moore Glover Cyclacel Limited 2
#15 Terence Murray Goldberg Unknown 2
#15 Walter Robertson British Technology Group Limited 2
#15 Margaret Buchart Goldberg Unknown 2
#15 Douglas Wilson Cullen Illinois Tool Works 2
#15 Alexander H Swanson 2
#15 Fiona A. Morrison Covidien Lp 2
#15 Aws S. M. Salim 2
#15 Martin Shaw 2
#15 India Shaw Elsdon Dyson Technology Limited 2
#15 Stanley Moug Kanthal Gmbh 2
#27 Nicholas J. Murrell 1
#27 Joyce A. Murrell 1
#27 Robert Stewart Campbell 1
#27 Adrian G. Howgate Kanthal Gmbh 1
#27 Janet E. Goodfellow Ncr 1
#27 Ian Kingham JPMorgan Chase 1
#27 Robert Cowman Weatherford/Lamb 1
#27 Helen Seaton 1
#27 Peter Ismail 1
#27 James Ben Sidle 1
#27 Penelope Jane Carruthers 1
#27 John Brown Scottish Crop Research Institute 1
#27 Michael Anthony Dent Ncr Atleos 1
#27 Jamie Luke Garrett Ncr Atleos 1
#27 Rhona D. Crofts Interox Chemicals Limited 1
#27 Thomas Stewart McKenzie MacLean 1