B01F 25/4412

The slits being formed between opposed planar surfaces

Official title: {the slits being formed between opposed planar surfaces, e.g. pushed again each other by springs}

B01F25/4412 (The slits being formed between opposed planar surfaces) appears on 68 US grants and 41 published applications in this corpus.

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68
Published applications
41
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49
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109
Latest grant
21 Jul 2026

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B01F 25/4412: granted patents and published applications per publication year
YearGranted patentsPublished applications
197820
197900
198010
198100
198210
198310
198400
198510
198610
198700
198810
198900
199020
199110
199210
199320
199410
199510
199630
199700
199820
199920
200040
200160
200200
200311
200420
200512
200612
200724
200812
200921
201015
201132
201211
201320
201402
201513
201632
201710
201821
201911
202022
202102
202232
202312
202420
202513
202611

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