| ReturnTo Theme-Group-Choice | Onelevelup |
| 2E039 | Specialized wings (i.e., doors and windows) | |
| E06B5/00 -5/20 | ||
| E06B5/00@A | AA | AA00 STRUCTURES OF DOORS AND WINDOWS THAT USE SOLAR ENERGY |
AA01 | AA02 | AA03 | AA05 | AA06 | AA07 | AA09 | AA10 | ||
| . Solar batteries | . Thermal collection substances | . Thermal storage substances | . Provisions for air ventilation | . Provisions for indoor air circulation | . Warm water use | . Blinds | . Sliding storm doors | |||||
| E06B5/00@B;5/00@C | AB | AB00 HEAT-INSULATING DOOR AND WINDOW STRUCTURES |
AB01 | AB03 | AB05 | AB06 | AB07 | AB08 | AB10 | |||
| . Heat-insulating doors | . Heat-insulating panels | . Heat-insulating sheets | . . Variants with air vessels | . . Direct application to glass | . . Shielding functions | . Anti-snow accumulation devices | ||||||
| E06B5/00@Z | AC | AC00 PURPOSE OF DOOR AND WINDOW SPECIALIZATION |
AC01 | AC02 | AC04 | AC05 | ||||||
| . Use in special buildings | . Use in special rooms | . Prevention of water build-up | . Elimination of odors | |||||||||
| E06B5/16 | BA | BA00 FIRE-RESISTANT DOOR AND WINDOW STRUCTURES |
BA01 | BA02 | BA03 | BA04 | BA05 | BA07 | BA08 | |||
| . Fireproof doors | . . Anti-deformation structures | . . Small door openings | . . Small windows | . . Sliding storm doors | . Fireproof windows | . . Glass mounting | ||||||
| E06B5/20 | BB | BB00 SOUNDPROOF DOOR AND WINDOW STRUCTURES |
BB01 | BB02 | BB03 | BB04 | BB05 | BB07 | BB08 | |||
| . Soundproof doors | . . Noise blocking or anti-vibration measures | . . Noise absorption measures | . . Packed sealants | . . Sliding storm doors | . Soundproof windows | . . Multiple glass panes |