B29C 67/20

Shaping techniques not covered by groups b29c39/00 - b29c65/00, b29c70/00 or b29c73/00

Official title: for porous or cellular articles, e.g. of foam plastics, coarse-pored {(chemical aspects of working up macro-molecular substances to porous or cellular articles C08J9/00)}

B29C67/20 (Shaping techniques not covered by groups b29c39/00 - b29c65/00, b29c70/00 or b29c73/00) appears on 671 US grants and 636 published applications in this corpus.

Search patents in B29C
Granted patents
671
Published applications
636
Assignees
480
Inventors
1,640
Latest grant
25 Aug 2026

Filings by year

B29C 67/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976140
197780
1978130
1979120
1980170
1981100
198280
1983120
198490
198550
198650
1987100
198870
198990
199090
199140
199250
1993110
199480
199560
199690
1997180
1998170
1999120
2000100
2001113
20021211
20031116
20041119
2005511
2006816
2007812
2008613
2009414
2010720
2011323
20121318
20131129
20142441
20152041
20162130
20172946
20182536
20192630
20203635
20213033
20222524
20232034
20242435
20251723
20261623

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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