DP

Daniel George Purkis

WH Weatherford Technology Holdings: 5 patents #7 of 242Top 3%
WL Weatherford U.K. Limited: 1 patents #1 of 7Top 15%
📍 Peterhead, GB: #1 of 9 inventorsTop 15%
Overall (2019): #26,156 of 560,194Top 5%
6
Patents 2019

Issued Patents 2019

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10519747 Pressure operated valve assembly 2019-12-31
10428621 Choke 2019-10-01
10294775 Downhole communication Hugh Clarkson, Matthew Knight 2019-05-21
10287852 Method and apparatus for actuating downhole tools Paul L. Smith, Simon J. Harrall 2019-05-14
10262168 Antenna for use in a downhole tubular Iain MacLeod 2019-04-16
10214994 Downhole arrangement Matthew Manning 2019-02-26