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IPC Subgroup
F01L 5/14

characterised by the provision of valves with reciprocating and other movements

Introduced: September 1968

Last revised: January 2006

Full Title

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

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
Subclass:
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES

2 direct subcodes

Child Classifications

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

Top Applicants

Top 10 applicants by patent filingsfor 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