FIRE STOP FLAP VALVE SYSTEM WITH SEALING AND ASSEMBLY MADE UP OF TWO SUCH SYSTEMS
- Application ID: EP12741033
- Status: █ EXAMINATION REQUESTED
This patent has the IPC combination A62 (LIFE-SAVING; FIRE-FIGHTING) and F24 (HEATING; RANGES; VENTILATING) is specialized in the combination A62 and F24. We found, that Spierenburg & Partner AG, Müller & Aue, Dr. Stark & Partner, Kayser & Cobet PartG, Cabinet Poncet and 1 other are specialized in all of these IPC classes. For a similar patent, they might be a good choice.