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IPC Subclass
D04G

MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR

Introduced: September 1968

Classification Context

Section:
TEXTILES; PAPER
Class:
BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
Subclass:
MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR

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.

Related Keywords

KNOTS, KNOTTINGTYING knots

3 direct subcodes

Child Classifications

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  • D04G 5/00 Knotting not otherwise provided for

Top Applicants

Top 10 applicants by patent filingsfor class D04, 2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 887
  2. KIMBERLY-CLARK CORPORATION US 727
  3. TORAY INDUSTRIES JP 692
  4. NIKE US 633
  5. SEIKO EPSON CORPORATION 537
  6. TORAY INDUSTRIES 528
  7. NIKE INNOVATE US 522
  8. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 479
  9. NATIONAL DONG HWA UNIVERSITY 439
  10. NINGBO CIXING COMPANY 425