| 1/00 | Incandescent mantles; Selection of imbibition liquids therefor |
| 1/02 | Incandescent mantles; Selection of imbibition liquids therefor characterised by the material thereof |
| 3/00 | Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing |
| 5/00 | Solid incandescent bodies (incandescent mantles F21H 1/00) |
| 7/00 | Other incandescent bodies |