DIFF Subgroup
B65G 53/04 Conveying materials in bulk pneumatically through pipes or tubes; Air slides
Introduced: September 1968
Full Title
Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam > Conveying materials in bulk pneumatically through pipes or tubes; Air slides
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B65G 53/06 Gas pressure systems operating without fluidisation of the materials IPC+CPC Available in IPC and CPC
- B65G 53/16 Gas pressure systems operating with fluidisation of the materials IPC+CPC Available in IPC and CPC
- B65G 53/28 Systems utilising a combination of gas pressure and suction (inducing feed of the materials by suction in gas pressure systems B65G53/14) IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B65,2013–2023, worldwide · Source: EPO PATSTAT
- CANON 3,755
- SGCC(STATE GRID CORPORATION OF CHINA) 3,721
- YOSHINO KOGYOSHO COMPANY 3,659
- DNP (DAINIPPON PRINTING COMPANY) 3,573
- KRONES DE 3,114
- P&G (PROCTER & GAMBLE COMPANY) US 2,777
- TOPPAN PRINTING COMPANY 2,720
- SEIKO EPSON CORPORATION 2,574
- KYOCERA DOCUMENT SOLUTIONS 2,371
- RICOH COMPANY 2,349
Top Applicants (CPC)
Class B65,2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 3,369
- KRONES DE 3,304
- TETRA LAVAL HOLDINGS & FINANCE CH 2,227
- CANON JP 2,051
- AUTOSTORE TECHNOLOGY NO 1,731
- GPI (GRAPHIC PACKAGING INTERNATIONAL) US 1,707
- CANON 1,693
- G.D IT 1,678
- MURATA MACHINERY JP 1,664
- DAIFUKU COMPANY JP 1,654