DH

David Cyril Hendry

ZL Zenith Oilfield Technology Limited: 2 patents #2 of 9Top 25%
📍 Banchory, GB: #48 of 166 inventorsTop 30%
Overall (All Time): #1,966,168 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10107789 Multi-component fluid determination in a well bore David Sirda Shanks, Alan James Fenwick 2018-10-23
9541665 Fluid determination in a well bore David Sirda Shanks 2017-01-10