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DIFF Subclass Not Allocatable
D02H

WARPING, BEAMING OR LEASING

Introduced: September 1968

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.

Title

Titles differ between systems:

IPC: WARPING, BEAMING, OR LEASING

CPC: WARPING, BEAMING OR LEASING

Full Title

Full titles differ between systems:

IPC:

WARPING, BEAMING, OR LEASING

CPC:

WARPING, BEAMING OR LEASING

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • D02H 1/00 Creels, i.e. apparatus for supplying a multiplicity of individual threads IPC+CPC Available in IPC and CPC
  • D02H 11/00 Methods or apparatus not provided for in the preceding groups, e.g. for cleaning the warp IPC+CPC Available in IPC and CPC
  • D02H 7/00 Combined warping and beaming machines IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class D02,2013–2023, worldwide · Source: EPO PATSTAT

  1. JIANGNAN UNIVERSITY 383
  2. TORAY INDUSTRIES JP 349
  3. TORAY INDUSTRIES 281
  4. OERLIKON TEXTILE & COMPANY DE 224
  5. CONTINENTAL REIFEN DE 208
  6. NATIONAL DONG HWA UNIVERSITY 203
  7. KOLON INDUSTRIES KR 188
  8. WUHAN TEXTILE UNIVERSITY 184
  9. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 176
  10. TMT MACHINERY 155

Top Applicants (CPC)

Class D02,2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 443
  2. OERLIKON TEXTILE & COMPANY DE 242
  3. KOLON INDUSTRIES KR 232
  4. CONTINENTAL REIFEN DE 204
  5. JIANGNAN UNIVERSITY 193
  6. COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN FR 178
  7. TMT MACHINERY 168
  8. NATIONAL DONG HWA UNIVERSITY 163
  9. WUHAN TEXTILE UNIVERSITY 153
  10. P&G (PROCTER & GAMBLE COMPANY) US 131