DIFF Subgroup
F01B 25/04 Sensing elements
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Regulating, controlling or safety means > Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity > Sensing elements
CPC:
Regulating, controlling or safety means (controlling combustion engines F02D) > Regulating or controlling by varying working-fluid admission or exhaust, e.g. by varying pressure or quantity > Sensing elements
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open