Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
F16L 37/30

with fluid cut-off means in each of two pipe-end fittings

Full Title

Couplings of the quick-acting type ( radially-binding sleeves F16L17/04, F16L21/06; connecting hoses to rigid members F16L33/00) > with fluid cut-off means > with fluid cut-off means in each of two pipe-end fittings

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • F16L 37/36 with two lift valves being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal
  • F16L 37/367 with two gate valves or sliding valves
  • F16L 37/373 with two taps or cocks

Top Applicants

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

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
  3. HYUNDAI MOTOR COMPANY KR 7,933
  4. ROBERT BOSCH DE 7,059
  5. KIA MOTORS CORPORATION KR 4,867
  6. SKF SE 4,729
  7. TOYOTA MOTOR CORPORATION JP 4,111
  8. FORD GLOBAL TECHNOLOGIES US 3,838
  9. GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
  10. TOYOTA MOTOR CORPORATION 3,499