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PCE
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DIFF Subgroup
F16K 3/16

with special arrangements for separating the sealing faces or for pressing them together (F16K3/10, F16K3/14 take precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with special arrangements for separating the sealing faces or for pressing them together

CPC: with special arrangements for separating the sealing faces or for pressing them together (F16K3/10, F16K3/14 take precedence)

Full Title

Full titles differ between systems:

IPC:

Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing > with flat sealing faces; Packings therefor > with special arrangements for separating the sealing faces or for pressing them together

CPC:

Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (F16K5/00 takes precedence; in barrages or weirs E02B8/04) > with flat sealing faces; Packings therefor > with special arrangements for separating the sealing faces or for pressing them together (F16K3/10, F16K3/14 take precedence)

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

Child Classifications

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Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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