| 3216413 | Portable artificial respirator | |||
| 3105488 | Respiratory devices | |||
| 2427419 | Resuscitating apparatus | |||
| 2063043 | Respiration method and apparatus | |||
| 1406141 | Respiratory apparatus | |||
| 1371702 | Respirating device | |||
| 1266624 | N/A | |||
| 1202126 | N/A | |||
| 1157655 | N/A | |||
| 0859778 | N/A |
| GB1030404A |