Applications, arrangements or dispositions of alarm or automatic safety devices (for feed-water heaters F22D1/14 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Applications, arrangements or dispositions of alarm or automatic safety devices

CPC: Applications, arrangements or dispositions of alarm or automatic safety devices (for feed-water heaters F22D1/14 )

Full Title

Full titles differ between systems:

IPC:

Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Applications, arrangements or dispositions of alarm or automatic safety devices

CPC:

Component parts or details of steam boilers > applicable to more than one kind or type of steam boiler > Applications, arrangements or dispositions of alarm or automatic safety devices (for feed-water heaters F22D1/14 )

CPC subdivides this area 3x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

Child Classifications

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F22B 37/421 CPC only CPC only
F22B 37/423 CPC only CPC only
F22B 37/425 CPC only CPC only
F22B 37/426 CPC only CPC only
F22B 37/428 CPC only CPC only
F22B 37/44 of safety valves +2 CPC IPC+CPC Available in IPC and CPC
F22B 37/46 responsive to low or high water level, e.g. for checking, suppressing or extinguishing combustion in boilers IPC+CPC Available in IPC and CPC
F22B 37/47 responsive to abnormal temperature, e.g. actuated by fusible plugs +1 CPC IPC+CPC Available in IPC and CPC