IPC Subclass
D02H WARPING, BEAMING, OR LEASING
Introduced: September 1968
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- Subclass:
- WARPING, BEAMING, OR LEASING
Description
D02H covers machinery and processes for preparing yarns prior to weaving or other fabric formation. It encompasses warping (arranging multiple yarns in parallel), beaming (winding warped yarns onto weaver's beams), and leasing (separating and organizing yarn groups for loom threading). This subclass includes equipment such as warping frames, beaming machines, lease rods, and related auxiliary apparatus used in textile manufacturing.
Related Keywords
BEAMING threadstextile WARPING
7 direct subcodes
Child Classifications
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- D02H 1/00 Creels, i.e. apparatus for supplying a multiplicity of individual threads
- D02H 11/00 Methods or apparatus not provided for in groups , e.g. for cleaning the warp
- D02H 13/00 Details of machines of the other groups of this subclass
- D02H 3/00 Warping machines
- D02H 5/00 Beaming machines
- D02H 7/00 Combined warping and beaming machines
- D02H 9/00 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