Andrew Ian Mckenzie

5 Patents

• US123451052025

  Horizontal Racking and Stand Building System

  NATIONAL OILWELL VARCO, L.P.

  0 cites
• US119880592024

  Dual Activity Top Drive

  NATIONAL OILWELL VARCO, L.P.

  0 cites
• US119821392024

  Passive Spacer System

  NATIONAL OILWELL VARCO, L.P.

  0 cites
• US118349142023

  Quick Coupling Drill Pipe Connector

  NATIONAL OILWELL VARCO, L.P.

  0 cites
• US116139402023

  Devices, Systems, and Methods for Robotic Pipe Handling

  NATIONAL OILWELL VARCO, L.P.

  0 cites