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PCE
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DIFF Main Group
F16K 7/00

Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (container gates or closures operating by deformation of flexible walls B65D90/56; means for plugging pipes or hoses F16L55/10 )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage

CPC: Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (container gates or closures operating by deformation of flexible walls B65D90/56; means for plugging pipes or hoses F16L55/10 )

Full Title

Full titles differ between systems:

IPC:

Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage

CPC:

Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage (container gates or closures operating by deformation of flexible walls B65D90/56; means for plugging pipes or hoses F16L55/10 )

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

Child Classifications

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  • F16K 7/10 with inflatable member IPC+CPC Available in IPC and CPC
  • F16K 7/18 with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action IPC+CPC Available in IPC and CPC
  • F16K 7/20 with a compressible solid closure member IPC+CPC Available in IPC and CPC

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