A dowhole pumping assembly and a downhole system
- Application ID: EP13173705
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This patent has the IPC combination E21 (EARTH OR ROCK DRILLING; MINING) and F04 (POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS) is specialized in the combination E21 and F04. We found, that N.J. Akers & Co is specialized in all of these IPC classes. For a similar patent, they might be a good choice.