Filings by year

B01D 2253/1122: granted patents and published applications per publication year
YearGranted patentsPublished applications
198320
198400
198500
198610
198710
198800
198900
199000
199110
199220
199300
199410
199500
199600
199700
199800
199920
200010
200110
200211
200313
200402
200501
200601
200711
200811
200901
201024
201126
201268
2013712
2014411
20151017
20161321
20171219
20182230
20192216
20201721
20211117
20221116
20232018
2024820
20251314
202679

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

Recent patents

Most cited

By later US patents