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CPC Subgroup Additional Only
F16C 2223/30

Coating surfaces

Full Title

Surface treatments; Hardening; Coating > Coating surfaces

8 direct subcodes

Child Classifications

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  • F16C 2223/32 by attaching pre-existing layers, e.g. resin sheets or foils by adhesion to a substrate; Laminating
  • F16C 2223/40 by dipping in molten material
  • F16C 2223/42 by spraying the coating material, e.g. plasma spraying
  • F16C 2223/44 by casting molten material on the substrate
  • F16C 2223/46 by welding, e.g. by using a laser to build a layer
  • F16C 2223/60 by vapour deposition, e.g. PVD, CVD
  • F16C 2223/70 by electroplating or electrolytic coating, e.g. anodising, galvanising
  • F16C 2223/80 by powder coating

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