DC

David Campbell

HL Hedley Purvis Limited: 3 patents #2 of 6Top 35%
EE Emerson Electric: 1 patents #714 of 1,374Top 55%
NG Northrop Grumman: 1 patents #690 of 1,695Top 45%
DL Dyson Technology Limited: 1 patents #61 of 121Top 55%
Overall (All Time): #486,178 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12420014 Dosing of incretin pathway drugs Paul Goldsmith, Michael Catt, Tom Godec, Joe Coghlin 2025-09-23
9874874 Dynamic compliance monitoring of unmanned vehicles Jonathan Bernhardt, Russell Common 2018-01-23
D601847 Hot water dispenser Peter David Gammack, James Dyson 2009-10-13
6374900 Upper mould holder for a die holder assembly used in die-casting machines 2002-04-23
5788411 Roller compacted concrete dam and method of construction 1998-08-04
D345612 Self-serve water dispenser kiosk Robert Levesque 1994-03-29
5249486 Torque wrench Ian Chetwynd Thompson 1993-10-05
5032048 Quick-fastening nut John N. Walton 1991-07-16
5013188 Process for replacing a length of buried pipe Donald N. Campbell 1991-05-07
4998453 Hydraulic bolt tensioner John N. Walton 1991-03-12