D04G MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR (binding knotters for harvesters A01D59/04; wire netting B21F; tying articles by knotting B65B; knotting in association with winding or unwinding B65H69/00; knotting in weaving D03J)
Description
D04G covers industrial processes and machinery for creating knotted textile structures, including fishing nets, safety nets, and decorative knotted carpets or tapestries produced through systematic knotting of filamentary materials. This subclass encompasses various knotting techniques and equipment not classified under other textile manufacturing methods (such as weaving, knitting, or braiding in adjacent classes). Technologies within this scope include hand and machine knotting methods, knot-forming apparatus, and processes for joining or securing filaments through knot formation. Adjacent classes D04B-D04F address other yarn/fabric assembly techniques, while D04H covers non-woven fabrics produced by different consolidation methods.
3 direct subcodes
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Top Applicants
Top 10 applicants by patent filingsfor class D04, 2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 1,303
- TORAY INDUSTRIES JP 899
- KIMBERLY-CLARK CORPORATION US 856
- NIKE INNOVATE US 852
- NIKE US 749
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 569
- SHIMA SEIKI MANUFACTURING JP 469
- SAINT-GOBAIN ISOVER FR 468
- REIFENHAEUSER & COMPANY MASCHINENFABRIK DE 462
- NIKE INNOVATE NL 363