IPC Subgroup
E06B 9/173 by clasps or buttons
Introduced: September 1968
Last revised: January 2006
Full Title
Screening or protective devices for openings, with or without operating or securing mechanisms; Closures of similar construction > Shutters, movable grilles, or other safety closing devices, e.g. against burglary > Roll-type closures > Roller shutters > Parts or details of roller shutters, e.g. suspension devices, shutter boxes, wicket doors, ventilation openings > Rollers therefor; Fastening roller shutters to rollers > by clasps or buttons
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS, IN GENERAL; LADDERS
- Subclass:
- FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
Top Applicants
Top 10 applicants by patent filingsfor class E06, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 1,398
- YKK AP 1,252
- LIXIL CORPORATION 1,235
- SAINT-GOBAIN GLASS FR 1,133
- BUNKA SHUTTER COMPANY 839
- HUNTER DOUGLAS US 812
- SANKYOTATEYAMA 796
- SANWA SHUTTER CORPORATION 699
- VKR HOLDING DK 579
- VIEW US 557