B65F 3/20

With charging pistons, plates, or the like

Official title: with charging pistons, plates, or the like (for discharging B65F3/28)

B65F3/20 (With charging pistons, plates, or the like) appears on 244 US grants and 141 published applications in this corpus.

Search patents in B65F
Granted patents
244
Published applications
141
Assignees
101
Inventors
368
Latest grant
22 Sep 2026

Filings by year

B65F 3/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197780
197870
197920
198020
198140
198210
198370
198440
198520
198610
198760
198820
198920
199030
199170
199240
199370
199470
1995110
199650
199760
1998130
1999100
2000120
2001113
200282
200325
200425
200529
200664
200712
200812
200935
201000
201131
201222
201304
201412
201546
201601
201748
201824
201935
202086
202175
202257
2023418
2024107
2025816
2026712

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

Subgroups

Granted patents