JD

James William Derby

📍 Liverpool, GB: #122 of 417 inventorsTop 30%
Overall (All Time): #2,062,996 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8915330 Lubrication of positive displacement expanders Iain Henshaw, Ian Glease 2014-12-23
7755334 Voltage regulation device Simon James Redford, Lee Juby, Stephen Mangan 2010-07-13