Constructional features of the thread-engaging device on the inserters

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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 > Constructional features of the thread-engaging device on the inserters

CPC:

Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms (circular looms D03D37/00) > wherein single picks of weft thread are inserted, i.e. with shedding between each pick > Constructional features of the thread-engaging device on the inserters

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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D03D 47/22 adapted for working a loop of weft part-way inserted in the shed and then straightened-out IPC+CPC Available in IPC and CPC
D03D 47/23 Thread grippers (in dummy or gripper shuttles D03J5/06) since 1980 +2 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class D03,2013–2023, worldwide · Source: EPO PATSTAT

TORAY INDUSTRIES JP 517
PICANOL BE 214
TOYOTA INDUSTRIES CORPORATION 210
JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 202
SANKO TEKSTIL ISLETMELERI SAN. VE TIC. TR 196
TOYOTA INDUSTRIES CORPORATION JP 193
FEDERAL-MOGUL POWERTRAIN US 188
SAFRAN AIRCRAFT ENGINES FR 187
SAFRAN FR 168
ASAHI KASEI JP 150