• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F28D - Heat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contactheat storage plants or apparatus in general
• F28D 17/02 - Regenerative heat-exchange apparatus in which a stationary intermediate heat-transfer medium or body is contacted successively by each heat-exchange medium, e.g. using granular particles using rigid bodies, e.g. of porous material

Patent holdings for IPC class F28D 17/02

Total number of patents in this class: 131

10-year publication summary

Principal owners for this class