MANUFACTURE OF BRUSHES

Description

A46D encompasses manufacturing processes and apparatus for producing brushes of all types. This classification covers machinery and methods for bristle insertion, tufting, setting, and assembly of brush heads, including automated and semi-automated production systems. It includes techniques for fastening bristles or filaments into brush stocks, securing handles to brush heads, and finishing operations specific to brush manufacture. Adjacent classifications (A46B covers brush types themselves, A46C covers brush materials) are distinguished from this class which focuses on the production technology rather than the finished brush or its raw materials.

Filing statistics

IPC subclass A46D recorded 6,566 patent applications worldwide between 2013 and 2023. Annual filings grew from 351 in 2013 to 459 in 2023 (+31%), peaking at 812 applications in 2017. The most active applicants in class A46 are COLGATE-PALMOLIVE COMPANY (1,438 applications), PHILIPS ELECTRONICS (724 applications) and L'OREAL (626 applications).

Source: EPO PATSTAT, worldwide filings