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PCE
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CPC Subgroup
B61F 17/08

Devices for pressing the wick or the like against the rotating axle

Full Title

Lubrication specially adapted for axle-boxes of rail vehicles (lubrication in general F16N) > with oil > Lubrication by stationary devices > by means of a wick or the like > Devices for pressing the wick or the like against the rotating axle

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