Filings by year

B01D 67/0097: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198010
198110
198200
198300
198400
198510
198600
198700
198800
198900
199010
199100
199200
199300
199410
199500
199600
199730
199810
199920
200000
200100
200200
200302
200401
200504
200613
200721
200807
200920
201044
201100
201221
201314
201433
201546
201636
201735
201870
201913
202022
202123
202211
202313
202410
202543
202612

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

Recent patents

Most cited

By later US patents