BZ

Burkhard Zippel

WH Weatherford Technology Holdings: 1 patents #412 of 753Top 55%
📍 Lehrte, DE: #61 of 134 inventorsTop 50%
Overall (All Time): #2,887,564 of 4,157,543Top 70%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9957794 Dart detector for wellbore tubular cementation Martin Helms, Mark Chandler, Simon J. Harrall 2018-05-01