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DIFF Subgroup
B65H 51/16

Devices for entraining material by flow of liquids or gases, e.g. air-blast devices (blowing slag wool in molten state C03B37/06)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Devices for entraining material by flow of liquids or gases, e.g. air-blast devices

CPC: Devices for entraining material by flow of liquids or gases, e.g. air-blast devices (blowing slag wool in molten state C03B37/06)

Full Title

Full titles differ between systems:

IPC:

Forwarding filamentary material > Devices for entraining material by flow of liquids or gases, e.g. air-blast devices

CPC:

Forwarding filamentary material (stretch-spinning methods D01D5/12; drawing or drafting rovings or the like D01H5/00) > Devices for entraining material by flow of liquids or gases, e.g. air-blast devices (blowing slag wool in molten state C03B37/06)

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