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CPC Subgroup
B81B 3/0097

Full Title

Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes (B81B5/00 takes precedence)

Filing statistics

CPC B81B 3/0097 belongs to the parent subclass B81B, which recorded 28,559 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,310 in 2013 to 2,198 in 2023 (-5%), peaking at 2,988 applications in 2018. The most active applicants in class B81 are ROBERT BOSCH (1,976 applications), TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY (788 applications) and INFINEON TECHNOLOGIES (759 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class B81, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 1,976
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 788
  3. INFINEON TECHNOLOGIES DE 759
  4. CEA (COMMISSARIAT A L'ENERGIE ATOMIQUE) FR 555
  5. STMICROELECTRONICS IT 526
  6. INVENSENSE US 430
  7. MURATA MANUFACTURING COMPANY JP 418
  8. SEIKO EPSON CORPORATION 338
  9. CHINESE ACADEMY OF SCIENCES 338
  10. FRAUNHOFER DE 297