Arthur Alexander De Mul

3 Patents

• US123386952025

  Mobile Land Rig with a Pivotal Top Drive Unit

  ITREC B.V.

  0 cites
• US120658922024

  Drilling Rig with a Top Drive System Operable in a Drilling Mode and a Tripping Mode

  ITREC B.V.

  0 cites
• US120440822024

  Stabbing Guide and an Operating Method

  ITREC B.V.

  0 cites