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CPC Subgroup
B61L 29/04

Gates for level crossings

Full Title

Safety means for rail/road crossing traffic > Gates for level crossings

Filing statistics

CPC B61L 29/04 belongs to the parent subclass B61L, which recorded 30,426 patent applications worldwide between 2013 and 2023. Annual filings grew from 1,487 in 2013 to 3,008 in 2023 (+102%), peaking at 3,463 applications in 2019. The most active applicants in class B61 are SIEMENS MOBILITY (2,967 applications), SIEMENS (2,133 applications) and ALSTOM TRANSPORT TECHNOLOGIES (1,691 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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  • B61L 29/06 yielding to vehicles in one direction but operated in a different direction

Top Applicants

Top 10 applicants by patent filingsfor class B61, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS MOBILITY DE 2,967
  2. SIEMENS DE 2,133
  3. ALSTOM TRANSPORT TECHNOLOGIES FR 1,691
  4. CRRC QINGDAO SIFANG COMPANY 1,100
  5. BOMBARDIER TRANSPORTATION DE 1,085
  6. MITSUBISHI ELECTRIC CORPORATION JP 880
  7. BYD COMPANY 821
  8. KRRI KR 761
  9. HITACHI JP 752
  10. CRRC ZHUZHOU LOCOMOTIVE COMPANY 721