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IPC Main Group
F16L 37/00

Couplings of the quick-acting type

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Subclass:
PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

Additional Content

Specially adapted for lubricating devices

12 direct subcodes

Child Classifications

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  • F16L 37/26 in which the connection is made by transversely moving the parts together, with or without their subsequent rotation
  • F16L 37/48 for fastening a pipe on the end of a tap
  • F16L 37/56 for double-walled or multi-channel pipes
  • F16L 37/58 the extremities of the two halves of the joint being pressed against each other without being locked in position
  • F16L 37/6 with plug and fixed wall housing
  • F16L 37/62 pneumatically or hydraulically actuated

Top Applicants

Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
  3. TOYOTA MOTOR CORPORATION 7,215
  4. HYUNDAI MOTOR COMPANY KR 6,846
  5. ROBERT BOSCH DE 6,106
  6. NTN CORPORATION 5,305
  7. SKF SE 4,219
  8. KIA MOTORS CORPORATION KR 3,852
  9. NSK 3,850
  10. HONDA MOTOR COMPANY 3,639