SEWAGE TREATMENT DEVICE, SUCH AS A VERTICAL-PERCOLATION PLANTED FILTER, COMPRISING A SYSTEM FOR ACTIVE AERATION OF A SATURATED LOWER LAYER
- Application ID: EP16702755
- Status: █ The patent has been granted
This EP application has the IPC class C02 (TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE). Cabinet LLR (Lhermet La Bigne & Rémy) is specialised in C02 (TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE). 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.