B28B21/98 - CPC Classification Index

ClassID:

47630 ⎘

B28B21/98 - CPC Classification

Classification description:

Methods or machines specially adapted for the production of tubular articles; Methods or apparatus for treating or reshaping for reshaping, e.g. by means of reshape moulds

Recent Application in this class:

20200103112

2020-04-02

CMC combustor shell with integral chutes

20170314436

2017-11-02

Plugged honeycomb structure and method for forming plugged honeycomb structure

20170059159

2017-03-02

CMC COMBUSTOR SHELL WITH INTEGRAL CHUTES

20090016828

2009-01-15

Process for the production of piping made of a cementitious material having a circular section