B65F 3/28

By a lengthwise movement of a wall

Official title: by a lengthwise movement of a wall, e.g. a plate, a piston, or the like (for charging B65F3/20)

B65F3/28 (By a lengthwise movement of a wall) appears on 143 US grants and 88 published applications in this corpus.

Search patents in B65F
Granted patents
143
Published applications
88
Assignees
58
Inventors
235
Latest grant
22 Sep 2026

Filings by year

B65F 3/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
197770
197860
197920
198040
198140
198230
198370
198430
198540
198620
198740
198830
198910
199030
199120
199220
199310
199430
199540
199610
199730
199860
199940
200040
200151
200220
200316
200424
200518
200643
200713
200822
200932
201000
201111
201200
201303
201412
201521
201601
201713
201812
201914
202043
202165
202234
2023310
202455
202528
202647

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