Priority Date: 14.12.11 (US 201161570377P)


  • Application ID: EP12857326
  • Status: The patent has been granted


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Technology Company


operating since 1975
Headquarter in Glasgow and 18 offices
active in Legal Services, IP Consulting, Matchmaking and Trading, and IP Portfolio Processing
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no operation time available
2 offices
Technology Company


This EP application has the IPC class E21 (EARTH OR ROCK DRILLING; MINING). Schlumberger Cambridge Research Ltd and Murgitroyd & Company are specialized in E21. Murgitroyd & Company is specialised in E21 (EARTH OR ROCK DRILLING; MINING). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.


  • 14.12.2011 - Priority Date (US 201161570377P)
  • 20.06.2013 - Publication A1 (WO2013090660)
  • 22.10.2014 - Publication A1 (EP2791462)
  • 14.02.2018 - Publication B1 (EP2791462)

IPC Classification