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CPC Subgroup Additional Only
Y10T 137/7818

Valve head in inlet chamber

Full Title

Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias [e.g., pressure regulator] > Reactor surface separated by apertured partition > Valve stem passes through the aperture > Valve head in inlet chamber

1 direct subcode

Child Classifications

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  • Y10T 137/7819 Rectilinear valve stem rigid with reactor surface

Top Applicants

Top 10 applicants by patent filingsfor class Y10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 2,373
  2. FORD GLOBAL TECHNOLOGIES US 2,244
  3. HYUNDAI MOTOR COMPANY KR 2,186
  4. TOYOTA MOTOR CORPORATION JP 1,997
  5. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 1,837
  6. GE (GENERAL ELECTRIC COMPANY) US 1,794
  7. SAMSUNG ELECTRONICS COMPANY KR 1,705
  8. CORNING US 1,569
  9. TOYOTA MOTOR CORPORATION 1,403
  10. LG CHEM KR 1,364