A24F 1/28

Tubular pipes

Official title: Tubular pipes, e.g. in the form of cigars

A24F1/28 (Tubular pipes) appears on 68 US grants and 101 published applications in this corpus.

Search patents in A24F
Granted patents
68
Published applications
101
Assignees
35
Inventors
120
Latest grant
2 Jun 2026

Filings by year

A24F 1/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
198210
198300
198400
198500
198600
198700
198800
198900
199000
199100
199200
199300
199400
199510
199600
199700
199800
199900
200010
200110
200201
200311
200400
200500
200600
200700
200823
200902
201021
201101
201215
201323
201422
201525
201623
201728
201818
201999
2020610
202139
2022914
202319
202494
202572
202631

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