Filings by year

B01D 67/00113: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197900
198000
198100
198210
198300
198410
198510
198610
198700
198800
198900
199040
199120
199220
199300
199400
199510
199610
199700
199800
199930
200010
200141
200222
200315
200422
200535
200606
200720
200811
200925
201038
201153
201251
201335
201451
201512
201637
201715
201867
201938
2020510
202185
202272
202369
202464
202599
202601

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

Recent patents

Most cited

By later US patents