IPC Main Group
D02H 11/00 Methods or apparatus not provided for in groups , e.g. for cleaning the warp
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- Subclass:
- WARPING, BEAMING, OR LEASING
Top Applicants
Top 10 applicants by patent filingsfor class D02, 2013–2023, worldwide · Source: EPO PATSTAT
- JIANGNAN UNIVERSITY 383
- TORAY INDUSTRIES JP 349
- TORAY INDUSTRIES 281
- OERLIKON TEXTILE & COMPANY DE 224
- CONTINENTAL REIFEN DE 208
- NATIONAL DONG HWA UNIVERSITY 203
- KOLON INDUSTRIES KR 188
- WUHAN TEXTILE UNIVERSITY 184
- COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
- TMT MACHINERY 155