• All sections
• F - Mechanical engineering; lighting; heating; weapons; blasting
• F22B - Methods of steam generation; steam boilers
• F22B 35/14 - Control systems for steam boilers for steam boilers of forced-flow type during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers

Patent holdings for IPC class F22B 35/14

Total number of patents in this class: 19

10-year publication summary

Principal owners for this class