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CPC Subgroup Additional Only
Y10S 250/905

with longitudinal irregularity

Full Title

Radiant energy > Optical liquid level sensors > with single light guide element to guide light in a continuous path > with longitudinal irregularity

3 direct subcodes

Child Classifications

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  • Y10S 250/906 with large scale longitudinal bend
  • Y10S 250/907 with portions of light guide coating or cladding removed
  • Y10S 250/908 with waveguide twisted about its longitudinal axis

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