IPC Subgroup
B65G 53/34 Details
Introduced: September 1968
Last revised: January 2006
Full Title
Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam > Details
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- Subclass:
- TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
7 direct subcodes
Child Classifications
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- B65G 53/36 Arrangements of containers
- B65G 53/38 Modification of material containing walls to facilitate fluidisation
- B65G 53/4 Feeding or discharging devices
- B65G 53/52 Adaptations of pipes or tubes
- B65G 53/58 Devices for accelerating or decelerating flow of the materials; Use of pressure generators
- B65G 53/6 Devices for separating the materials from propellant gas
- B65G 53/66 Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
Top Applicants
Top 10 applicants by patent filingsfor 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