Layered trickle filter and method for treating wastewater involving dosing of chemicals
- Application ID: EP14188570
- Status: █ PATENT GRANTED
This patent has the IPC class C02 (TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE) Matthias Scholl Inc and Kancelaria Patentowa Matthias Scholl Inc are specialized in C02. 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.