DE

Derek Mark Essam

📍 Eastbourne, GB: #7 of 42 inventorsTop 20%
Overall (All Time): #1,599,864 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6920409 Apparatus for testing operation of an emergency valve 2005-07-19
6089269 Partially stroking an emergency valve 2000-07-18
5893047 Monitoring apparatus and method Christopher Francis Gimblett 1999-04-06