Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–34 of 34 inventors

Rank Inventor Primary Company Patents
1 David John Butcher NVIDIA 11
1 Graham R. Purkins 3M 11
3 Robert A. Sewell The Dow Chemical 7
3 Roderick Ian Woods Spring Meadow Nursery 7
3 Robert O. Kivlin Norton (Waterford) Limited 7
#6 Robert Stirling Electricity Association Technology Limited 6
#7 Martin Caspall Cooper Roller Bearings Co 5
#7 Carol Suzanne Balfour Consort Medical Plc 5
#9 William Southby Consort Medical Plc 4
#9 Martin Swain Consort Medical Plc 4
#9 John Atherton Mars, Incorporated 4
#12 Gareth Hunt Illinois Tool Works 3
#12 Jonathan Tuite 3
#14 Marcus J. Hawkins Snap-On Equipment Gmbh 2
#14 John M. Woodcock Porvair 2
#14 Anthony Stanford 3M 2
#14 Eric S. Field Mars, Incorporated 2
#14 Michael J. Hawkins Mars, Incorporated 2
#19 Owen Jenkins Smithkline Beeacham P.L.C. 1
#19 William G. Dolman Kodak Polychrome Graphics Company 1
#19 Marc Lechner Bespak Plc 1
#19 Christopher John Eames Bespak Plc 1
#19 George J. Kleinerman Porvair 1
#19 Mark Andrew CAWSTON Microsoft 1
#19 Liset Rodriguez 1
#19 Gary Darlow At Promotions 1
#19 Penelope Ann Watkins 1
#19 Antony Fleetwood Bespak Plc 1
#19 Ivan J. Farrow 1
#19 Peter John Gamble 1
#19 Edgar R. Markwell Freudenberg Nonwovens 1
#19 Glyn Watkins 1
#19 Wayne Blyler Bespak Plc 1
#19 Chris Playford 1