Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Slide-valve gear or valve arrangements

CPC: Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00)

Full titles differ between systems:

IPC:

Slide-valve gear or valve arrangements

CPC:

Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00)

Slide-valve gear or valve arrangements with pure rotary or oscillatory movement

Valve-gear specially for steam engines or specially for other machines or engines with variable fluid distribution

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

6 shared codes have differing titles between IPC and CPC.

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F01L 5/02 with other than cylindrical, sleeve or part annularly shaped valves, e.g. with flat-type valves IPC+CPC Available in IPC and CPC
F01L 5/04 with cylindrical, sleeve, or part-annularly shaped valves +1 CPC IPC+CPC Available in IPC and CPC
F01L 5/14 characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06) IPC+CPC Available in IPC and CPC
F01L 5/20 specially for two-stroke engines (F01L5/06, F01L5/14 take precedence) IPC+CPC Available in IPC and CPC
F01L 5/22 Multiple-valve arrangements (with valves surrounding working cylinder or piston F01L5/08; with reciprocatory and other slide valves F01L5/18; specially for two-stroke engines F01L5/20) IPC+CPC Available in IPC and CPC
F01L 5/24 Component parts, details or accessories, not provided for in preceding subgroups in this group IPC+CPC Available in IPC and CPC

Class F01,2013–2023, worldwide · Source: EPO PATSTAT

Class F01,2013–2023, worldwide · Source: EPO PATSTAT