Filings by year

B01D 15/1828: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197800
197900
198010
198120
198220
198320
198430
198520
198620
198710
198800
198900
199010
199120
199250
199320
199400
199570
199650
199770
199850
199950
2000110
2001103
200285
200363
200436
200543
200623
200723
200841
200936
201039
201167
201298
2013811
2014311
201575
201657
201769
201888
2019116
202076
202167
202223
202326
202477
202558
202623

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents