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IPC Subgroup
D03D 47/12

wherein single picks of weft thread are inserted, i.e. with shedding between each pick

Introduced: September 1968

Last revised: January 2006

Full Title

Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms > wherein single picks of weft thread are inserted, i.e. with shedding between each pick

Classification Context

Section:
TEXTILES; PAPER
Class:
WEAVING
Subclass:
WOVEN FABRICS; METHODS OF WEAVING; LOOMS

6 direct subcodes

Child Classifications

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  • D03D 47/14 by a gripper needle taking the end of the weft through the shed
  • D03D 47/16 by a gripper needle entering the shed empty and drawing the weft as it retracts
  • D03D 47/18 two weft inserters meeting at or near the middle of the shed and transferring the weft from one to the other
  • D03D 47/26 Travelling-wave-shed looms

Top Applicants

Top 10 applicants by patent filingsfor class D03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 461
  2. TORAY INDUSTRIES 324
  3. SHANDONG RIFA TEXTILE MACHINERY COMPANY 279
  4. TOYOTA INDUSTRIES CORPORATION 260
  5. JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 259
  6. ZHEJIANG SCI TECH UNIVERSITY 244
  7. PICANOL BE 213
  8. TOYOTA INDUSTRIES CORPORATION JP 192
  9. FEDERAL-MOGUL POWERTRAIN US 175
  10. NATIONAL DONG HWA UNIVERSITY 171