DEVICE FOR CAPTURING, TRANSMITTING AND DIFFUSING NATURAL LIGHT INTO INTERIOR SPACES, WHICH COMPRISES A CONDUIT OF INVERTED FRUSTOPYRAMIDAL FORM AND A DIFFUSER UNIT THAT EMERGES TRANSVERSELY WITH RESPECT TO THE HORIZONTAL PLANE OF THE CEILING OF A ROOM
- Application ID: EP12822956
- Status: █ PATENT GRANTED
This patent has the IPC combination E04 (BUILDING) and F21 (LIGHTING) is specialized in the combination E04 and F21. We found, that Lippert Stachow & Partner, Awapatent AB, Gevers, ip21 Ltd, Beckord & Niedlich and 28 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.