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 47/2 Constructional features of the thread-engaging device on the inserters
- D03D 47/24 by gripper or dummy shuttle
- D03D 47/26 Travelling-wave-shed looms
Top Applicants
Top 10 applicants by patent filingsfor class D03, 2013–2023, worldwide · Source: EPO PATSTAT
- TORAY INDUSTRIES JP 461
- TORAY INDUSTRIES 324
- SHANDONG RIFA TEXTILE MACHINERY COMPANY 279
- TOYOTA INDUSTRIES CORPORATION 260
- JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 259
- ZHEJIANG SCI TECH UNIVERSITY 244
- PICANOL BE 213
- TOYOTA INDUSTRIES CORPORATION JP 192
- FEDERAL-MOGUL POWERTRAIN US 175
- NATIONAL DONG HWA UNIVERSITY 171