IPC Subgroup
D03D 49/04 Control of the tension in warp or cloth
Introduced: September 1968
Last revised: January 2006
Full Title
Details or constructional features not specially adapted for looms of a particular type > Control of the tension in warp or cloth
Classification Context
- Section:
- TEXTILES; PAPER
- Class:
- WEAVING
- Subclass:
- WOVEN FABRICS; METHODS OF WEAVING; LOOMS
Related Keywords
controlling TENSION in warp or cloth on looms
5 direct subcodes
Child Classifications
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- D03D 49/06 Warp let-off mechanisms
- D03D 49/12 Controlling warp tension by means other than let-off mechanisms
- D03D 49/18 Devices for indicating warp tension
- D03D 49/2 Take-up motions; Cloth beams
- D03D 49/22 Back rests; Lease rods; Brest beams
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