Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
Load children
B29D
PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
Load children
99/00
Subject matter not provided for in other groups of this subclass
Load children Filter patents View analytics View as hierarchy
B29D99/0082
Producing articles in the form of closed loops, e.g. rings
Load children Filter patents View analytics View as hierarchy