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DIFF Subclass Not Allocatable
B61B

RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)

Introduced: September 1968

Description

B61B covers railway systems and associated equipment that do not fit within more specific railway classifications. This subclass encompasses auxiliary systems, infrastructure components, and integrated railway arrangements not classified elsewhere in B61, such as rail-mounted structures, railway-based transportation networks, and supporting mechanical systems. It serves as a residual classification for railway technology that falls outside the scope of dedicated subclasses for locomotives (B61C), rolling stock (B61D), track construction (B61F), or signaling and safety systems (B61L). Applications include comprehensive railway system designs, specialized railway equipment, and integrated solutions combining multiple railway technologies.

Title

Titles differ between systems:

IPC: RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR

CPC: RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)

Full Title

Full titles differ between systems:

IPC:

RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR

CPC:

RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)

Additional Content IPC

Devices specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

7 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B61B 15/00 Combinations of railway systems IPC+CPC Available in IPC and CPC
  • B61B 9/00 Tramway or funicular systems with rigid track and cable traction (haulage clips B61B12/12) IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class B61,2013–2023, worldwide · Source: EPO PATSTAT

  1. SIEMENS MOBILITY DE 2,749
  2. CRRC QINGDAO SIFANG COMPANY 2,215
  3. SIEMENS DE 1,941
  4. ALSTOM TRANSPORT TECHNOLOGIES FR 1,514
  5. BYD COMPANY 1,371
  6. CRRC CHANGCHUN RAILWAY VEHICLES COMPANY 1,205
  7. CRRC ZHUZHOU LOCOMOTIVE COMPANY 1,165
  8. CRRC TANGSHAN COMPANY 1,119
  9. BOMBARDIER TRANSPORTATION DE 1,001
  10. SOUTHWEST JIAOTONG UNIVERSITY 958

Top Applicants (CPC)

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