B01D 3/04

Pipe stills

Official title: pipe stills

B01D3/04 (Pipe stills) appears on 58 US grants and 37 published applications in this corpus.

Search patents in B01D
Granted patents
58
Published applications
37
Assignees
31
Inventors
102
Latest grant
26 May 2026

Filings by year

B01D 3/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198110
198200
198300
198420
198530
198660
198730
198830
198920
199010
199110
199200
199300
199420
199500
199600
199700
199810
199920
200000
200100
200201
200310
200400
200501
200600
200701
200800
200910
201002
201101
201204
201312
201400
201533
201620
201701
201866
201945
202053
202132
202211
202303
202400
202511
202620

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