ID

Ian Duncan

WH Weatherford Technology Holdings: 3 patents #182 of 753Top 25%
PL Petrowell Limited: 1 patents #12 of 27Top 45%
Overall (All Time): #986,520 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10132138 Downhole apparatus and method Daniel George Purkis, Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett +1 more 2018-11-20
10077633 Downhole apparatus and method Daniel George Purkis, Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett +1 more 2018-09-18
10053958 Downhole apparatus and method Daniel George Purkis, Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett +1 more 2018-08-21
10018015 Downhole apparatus and method Daniel George Purkis, Oliver Webster, Damien Patton, Matthew Manning, Steve Corbett +1 more 2018-07-10
5325814 Application for biologically active substance 1994-07-05