Priority Date: 05.12.08 (US 20080120227P)

Sub-sea chemical injection metering valve

  • Application ID: EP14160276
  • Status: Request for examination was made



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This EP application has the IPC combination E21 (EARTH OR ROCK DRILLING; MINING) and G01 (MEASURING; TESTING). Schlumberger Cambridge Research Ltd and N.J. Akers & Co are specialized in the combination E21 and G01. We found, that Coller IP Management Ltd, Marks & Clerk, Acapo AS, Ladas & Parry LLP, K2 IP Ltd and 26 others are specialized in all of these IPC classes as well. For a similar patent, they might be a good choice.


  • 05.12.2008 - Priority Date (US 20080120227P)
  • 25.06.2014 - Publication A2 (EP2746528)
  • 01.11.2017 - Publication A3 (EP2746528)