IPC Main Group
B65G 51/00 Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
Introduced: September 1968
Last revised: January 2006
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
Additional Content
Water roundabouts Pneumatic railways
Related Keywords
pneumatic DESPATCH systemsfluid-operated tube systems for LETTER(S)conveying articles by LEVITATINGconveying articles or bulk material through PIPE(S) by aid of fluidsPNEUMATIC(S) conveyersconveying articles or bulk material through TUBE(S) by aid of fluidsfluid-operated TUBE(S) mail systems
3 direct subcodes
Child Classifications
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- B65G 51/01 Hydraulic transport of articles
- B65G 51/02 Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases
- B65G 51/04 Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
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