B01F 27/922

With two or more helices

Official title: with two or more helices, e.g. with intermeshing helices

B01F27/922 (With two or more helices) appears on 46 US grants and 64 published applications in this corpus.

Search patents in B01F
Granted patents
46
Published applications
64
Assignees
46
Inventors
132
Latest grant
4 Aug 2026

Filings by year

B01F 27/922: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197900
198000
198100
198210
198310
198410
198500
198600
198700
198800
198900
199000
199100
199200
199310
199400
199510
199600
199700
199800
199900
200000
200101
200233
200313
200402
200545
200611
200712
200823
200913
201002
201111
201202
201321
201412
201532
201612
201713
201803
201931
202043
202113
202223
202327
202413
202513
202630

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