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PCE
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DIFF Subgroup
F01L 5/14

characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: characterised by the provision of valves with reciprocating and other movements

CPC: characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06)

Full Title

Full titles differ between systems:

IPC:

Slide-valve gear or valve arrangements > characterised by the provision of valves with reciprocating and other movements

CPC:

Slide valve-gear or valve-arrangements (with pure rotary or oscillatory movement F01L7/00) > characterised by the provision of valves with reciprocating and other movements (surrounding working cylinder or piston F01L5/06)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F01L 5/16 with reciprocating and other movement of same valve, e.g. longitudinally of working cylinder and in cross direction IPC+CPC Available in IPC and CPC
  • F01L 5/18 with reciprocatory valve and other slide valve IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

  1. GE (GENERAL ELECTRIC COMPANY) US 8,496
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 7,291
  3. SAFRAN AIRCRAFT ENGINES FR 5,503
  4. TOYOTA MOTOR CORPORATION 4,556
  5. SIEMENS DE 3,992
  6. HYUNDAI MOTOR COMPANY KR 3,929
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,534
  8. FORD GLOBAL TECHNOLOGIES US 3,407
  9. TOYOTA MOTOR CORPORATION JP 3,042
  10. WEICHAI POWER COMPANY 2,888

Top Applicants (CPC)

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

  1. GE (GENERAL ELECTRIC COMPANY) US 9,989
  2. UNITED TECHNOLOGIES CORPORATION (UTC) US 8,110
  3. SAFRAN AIRCRAFT ENGINES FR 6,248
  4. HYUNDAI MOTOR COMPANY KR 4,530
  5. SIEMENS DE 4,461
  6. FORD GLOBAL TECHNOLOGIES US 4,029
  7. RAYTHEON TECHNOLOGIES CORPORATION US 3,947
  8. TOYOTA MOTOR CORPORATION JP 3,734
  9. GE (GENERAL ELECTRIC COMPANY) 3,415
  10. SCHAEFFLER TECHNOLOGIES & COMPANY DE 3,063