IPC Subgroup
D07B 1/2 Buoyant ropes, e.g. with air-filled cellular cores; Accessories therefor
Introduced: September 1968
Last revised: January 2006
Full Title
Constructional features of ropes or cables > Buoyant ropes, e.g. with air-filled cellular cores; Accessories therefor
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- ROPES; CABLES OTHER THAN ELECTRIC
- Subclass:
- ROPES OR CABLES IN GENERAL
Related Keywords
FLOATING ropes
Top Applicants
Top 10 applicants by patent filingsfor class D07, 2013–2023, worldwide · Source: EPO PATSTAT
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 375
- BRIDGESTONE CORPORATION JP 198
- BEKAERT BE 187
- JIANGSU XINGDA STEEL TYRE CORD COMPANY 138
- BRIDGESTONE CORPORATION 134
- OTIS ELEVATOR COMPANY US 126
- GUIZHOU STEEL ROPE COMPANY 117
- MICHELIN RECHERCHE ET TECHNIQUE CH 105
- JIANGSU SAFETY STEEL WIRE ROPE COMPANY 90
- JIANGSU XINGDA STEEL CORD COMPANY 85