| 2283967 | Beverage apparatus | |||
| 2245389 | Coffee brewing apparatus | |||
| 1947523 | Bag for coffee percolators | |||
| 1876474 | N/A | |||
| 1493984 | Coffee-making machine | |||
| 1412388 | Apparatus and package for forming solutions by percolation | |||
| 1377316 | Apparatus and package for forming solutions by percolation | |||
| 1075727 | N/A | |||
| 0726793 | N/A | |||
| 0411037 | N/A | |||
| 0363519 | N/A | |||
| RE15707 | N/A |
| GB172034A | ||||
| GB467463A | ||||
| IT259768B | ||||
| IT316144B | ||||
| FR18541A | ||||
| FR439740A | ||||
| FR524510A | ||||
| FR757358A | ||||
| FR792457A |