| 1/00 | Shades for light sources |
| 1/02 | Shades for light sources Frames |
| 1/04 | Shades for light sources Frames rigid (F21V 1/08 takes precedence) |
| 1/06 | Shades for light sources Frames foldable or collapsible |
| 1/08 | Shades for light sources Frames adjustable |
| 1/10 | Shades for light sources Rotating shades |
| 1/12 | Shades for light sources Composite shades |
| 1/14 | Shades for light sources Covers for frames; Frameless shades |
| 1/16 | Shades for light sources Covers for frames; Frameless shades characterised by the material |
| 1/18 | Shades for light sources Covers for frames; Frameless shades characterised by the material the material being paper |
| 1/20 | Shades for light sources Covers for frames; Frameless shades characterised by the material the material being glass |
| 1/22 | Shades for light sources Covers for frames; Frameless shades characterised by the material the material being plastics |
| 1/24 | Shades for light sources Covers for frames; Frameless shades characterised by the material the material being metal |
| 1/26 | Shades for light sources Manufacturing shades |
| 3/00 | Globes; Bowls; Cover glasses (with refracting properties F21V 5/00; with reflecting properties F21V 7/00) |
| 3/02 | Globes; Bowls; Cover glasses (with refracting properties F21V 5/00; with reflecting properties F21V 7/00) characterised by the shape |
| 3/04 | Globes; Bowls; Cover glasses (with refracting properties F21V 5/00; with reflecting properties F21V 7/00) characterised by the material; characterised by surface treatments or coatings |
| 5/00 | Refractors for light sources |
| 5/02 | Refractors for light sources of prismatic shape (F21V 5/04 takes precedence) |
| 5/04 | Refractors for light sources of lens shape |