• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F22B - Methods of steam generationsteam boilers
• F22B 21/10 - Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially-straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged in staggered rows

Patent holdings for IPC class F22B 21/10

Total number of patents in this class: 2

10-year publication summary

Principal owners for this class