| F | SK | MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
| F21 | USK | LIGHTING; HEATING |
| F21 | KL | LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J , H01K , H05B) |
| F21L | UKL | LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION [1, 7] |
| F21L 1/00 | GEL | (transferred to F21L 14/00) |
|
| F21L 2/00 | HGR | Systems of lighting devices [7] |
| F21L 3/00 | GEL | (transferred to F21L 14/00) |
| F21L 4/00 | HGR | Devices with self-contained electric batteries or cells [7] |
| F21L 4/02 | UGR1 | | . | characterised by provision of two or more light sources [7] |
|
| F21L 4/04 | UGR1 | | . | characterised by provision of a light source housing portion adjustably fixed to the remainder of the device [7] |
|
| F21L 4/06 | UGR1 | | . | with light source coupled to the remainder of the device solely by cable [7] |
|
| F21L 4/08 | UGR1 | | . | characterised by means for in situ recharging of the batteries or cells [7] |
|
| F21L 5/00 | GEL | (transferred to F21L 14/00) |
| F21L 7/00 | GEL | (transferred to F21L 4/00) |
| F21L 9/00 | GEL | (transferred to F21L 4/00) |
| F21L 11/00 | GEL | (transferred to F21L 4/00) |
| F21L 13/00 | HGR | Devices with built-in electric generators (with solar cells F21L 4/00) [1, 7] |
| F21L 13/02 | UGR1 | |
| F21L 13/04 | UGR2 | |
| F21L 13/06 | UGR1 | | . | with mechanical drive, e.g. spring |
|
| F21L 13/08 | UGR2 | | . . | by reciprocating pusher actuated by hand |
|
| F21L 14/00 | HGR | Devices without a self-contained power source, e.g. for mains connection [7] |
| F21L 14/02 | UGR1 | | . | capable of hand-held use, e.g. inspection lamps [7] |
|
| F21L 14/04 | UGR1 | | . | carried on wheeled supports [7] |
|
| F21L 15/00 | ZWE |
|
| F21L 15/00 | GEL | (transferred to F21V) |
| F21L 15/02 | GEL | (transferred to F21V 1/00; to ; F21V 14/00) |
| F21L 15/04 | GEL | (covered by F21V 9/00; to ; F21V 13/00) |
| F21L 15/06 | GEL | (transferred to F21V) |
| F21L 15/08 | GEL | (transferred to F21V 21/00) |
| F21L 15/10 | GEL | (transferred to F21V 21/00) |
| F21L 15/12 | GEL | (transferred to F21V 21/40) |
| F21L 15/14 | GEL | (transferred to F21V 21/084; F21V 21/088) |
| F21L 15/16 | GEL | (transferred to F21V 21/092) |
| F21L 15/18 | GEL | (transferred to F21V 21/096) |
| F21L 15/20 | GEL | (transferred to F21V 21/14) |
| F21L 15/22 | GEL | (covered by F21V 27/00) |
|
| F21L 17/00 | HGR | Torches; Flares |
| F21L 19/00 | HGR | Lanterns, e.g. hurricane lamps, candle lamps |
| F21L 19/02 | GEL | (transferred to F21V 17/00; F21V 37/00) |
| F21L 19/04 | GEL | (transferred to F21V 37/02) |
| F21L 21/00 | HGR | Pocket-lamps, e.g. producing sparks |
| F21L 23/00 | HGR | Miners' hand-lamps |
| F21L 25/00 | ZWE |
|
| F21L 25/00 | GEL | (transferred to F21V) |
| F21L 27/00 | HGR | Devices or systems employing combinations of electric and non-electric light sources; Replacing electric by non-electric light sources or vice versa |