WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

D04G　MAKING NETS BY KNOTTING OF FILAMENTARY MATERIAL; MAKING KNOTTED CARPETS OR TAPESTRIES; KNOTTING NOT OTHERWISE PROVIDED FOR (binding knotters for harvesters A01D 59/04; wire netting B21F; tying articles by knotting B65B; knotting in association with winding or unwinding B65H 69/00; knotting in weaving D03J; making nets, carpets, or tapestries by other techniques, see the relevant subclasses)

D04G 1/00 Making nets by knotting of filamentary material

D04G 1/02 ・in machines

D04G 1/04 ・・using a single thread

D04G 1/06 ・・using a single thread and a series of threads

D04G 1/08 ・・using two series of threads

D04G 3/00 Making knotted carpets or tapestries

D04G 3/02 ・by hand; Tools therefor

D04G 3/04 ・in machines

D04G 5/00 Other knotting