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CPC Subclass Not Allocatable
F16L

PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

Description

F16L covers rigid and flexible pipes for fluid transport, encompassing design, materials, and construction methods applicable to gases, liquids, or mixed media. The class includes joints, couplings, fittings, and connectors that enable assembly and leak-free operation of piping systems, as well as mechanical supports, clamps, and fastening devices for pipes, cables, and protective tubing. Thermal insulation of pipes and general thermal insulation means for industrial applications are also included. This classification excludes specialized piping for particular industries (e.g., steam pipes in F22, automotive fuel systems in B60) and specific end-use applications covered by their respective technical fields.

33 direct subcodes

Child Classifications

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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