IPC Main Group
B65D 51/00 Closures not otherwise provided for
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- Subclass:
- CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
Additional Content
Covers or similar closures as engineering elements for pressure vessels in general
5 direct subcodes
Child Classifications
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- B65D 51/02 Loosely-engaging lids or covers for jars, cans or like containers for liquids without means for effecting sealing of container
- B65D 51/14 Rigid discs or spherical members adapted to be held in sealing engagement with mouth of container, e.g. closure plates for preserving jars
- B65D 51/16 with means for venting air or gas
- B65D 51/18 Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
- B65D 51/24 combined with auxiliary devices for non-closing purposes
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