DM

David Campbell Macfarlane

FM Fmc: 1 patents #239 of 469Top 55%
Overall (All Time): #1,409,531 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11261103 Water management system 2022-03-01
10850992 Enhanced evaporation system Gideon Steyl, Philip Fouche 2020-12-01
6640902 Nested stack-down casing hanger system for subsea wellheads Robert B. Baten, Harold Brian Skeels, Russell McBeth, Randy J. Wester, Marcus Smedley 2003-11-04