| 2769500 | Foam-producing apparatus | |||
| 2611439 | Automatic foam compound proportioning means for fire extinguishers | |||
| 2532986 | Fire-extinguishing apparatus | |||
| 2218294 | Foam-producing device for fire extinguishing purposes | |||
| 2130745 | Fire hose nozzle | |||
| 2004281 | Injector | |||
| 0808711 | N/A | |||
| 0401452 | N/A |