AM

Alastair Henry Walter Macfarlane

NL Nov Downhole Eurasia Limited: 2 patents #6 of 25Top 25%
AL Andergauge Limited: 1 patents #4 of 6Top 70%
ND National Oilwell Dht: 1 patents #44 of 91Top 50%
NV National Oilwell Varco: 1 patents #240 of 551Top 45%
📍 Forfar, GB: #7 of 38 inventorsTop 20%
Overall (All Time): #959,339 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11499374 Downhole devices and associated apparatus and methods Rory McCrae Tulloch, Matthew Shaw, Brad Ivie 2022-11-15
10830011 Selective downhole actuator Alan MacKenzie, Alagappan Viswanathan 2020-11-10
10000970 Downhole drilling assembly with motor powered hammer and method of using same Rory McCrae Tulloch, Alan Martyn Eddison 2018-06-19
8550183 Drilling method Ian J. Forster, Alan Martyn Eddison 2013-10-08
8251144 Flow diverter 2012-08-28