Filings by year

B04B 5/0421: granted patents and published applications per publication year
YearGranted patentsPublished applications
197660
197770
197880
197950
198090
198140
198280
198340
198480
198530
198670
198760
198850
198930
199010
199130
199210
199320
199420
199510
199690
199730
199850
199920
200020
200131
200267
2003514
20041212
2005117
200684
200778
200834
200912
201047
2011212
2012107
2013410
201449
2015611
2016717
20171110
2018710
201997
20201110
2021623
202236
20231310
20241612
202548
202642

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

Recent patents

Most cited

By later US patents