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DIFF Subgroup
B65H 51/12

in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Forwarding filamentary material > Rotary devices, e.g. with helical forwarding surfaces > Rollers, pulleys, capstans, or intermeshing rotary elements > arranged to operate in groups or in co-operation with other elements > in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound

CPC:

Forwarding filamentary material (stretch-spinning methods D01D5/12; drawing or drafting rovings or the like D01H5/00) > Rotary devices, e.g. with helical forwarding surfaces (devices for temporarily storing filamentary material during forwarding B65H51/20; driven rotary devices for controlling tension B65H59/18) > Rollers, pulleys, capstans, or intermeshing rotary elements > arranged to operate in groups or in co-operation with other elements > in spaced relation to provide a series of independent forwarding surfaces around which material is passed or wound

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class B65,2013–2023, worldwide · Source: EPO PATSTAT

  1. CANON 3,755
  2. SGCC(STATE GRID CORPORATION OF CHINA) 3,721
  3. YOSHINO KOGYOSHO COMPANY 3,659
  4. DNP (DAINIPPON PRINTING COMPANY) 3,573
  5. KRONES DE 3,114
  6. P&G (PROCTER & GAMBLE COMPANY) US 2,777
  7. TOPPAN PRINTING COMPANY 2,720
  8. SEIKO EPSON CORPORATION 2,574
  9. KYOCERA DOCUMENT SOLUTIONS 2,371
  10. RICOH COMPANY 2,349

Top Applicants (CPC)

Class B65,2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 3,369
  2. KRONES DE 3,304
  3. TETRA LAVAL HOLDINGS & FINANCE CH 2,227
  4. CANON JP 2,051
  5. AUTOSTORE TECHNOLOGY NO 1,731
  6. GPI (GRAPHIC PACKAGING INTERNATIONAL) US 1,707
  7. CANON 1,693
  8. G.D IT 1,678
  9. MURATA MACHINERY JP 1,664
  10. DAIFUKU COMPANY JP 1,654