B01D 61/28

Apparatus therefor

B01D61/28 (Apparatus therefor) appears on 338 US grants and 275 published applications in this corpus.

Search patents in B01D
Granted patents
338
Published applications
275
Assignees
220
Inventors
816
Latest grant
9 Jun 2026

Filings by year

B01D 61/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976150
1977220
197880
1979110
1980160
198170
198280
198350
198430
198520
198630
198730
198880
198920
199020
199120
199230
199330
199460
199530
199630
199740
199840
199950
200040
200172
200279
200329
200449
2005413
2006411
200777
200867
200968
2010314
20111210
2012812
201356
2014714
2015711
2016514
20171111
2018511
20191217
2020916
2021159
202299
2023812
2024513
20251414
202647

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

Recent patents

Most cited

By later US patents