A21B 1/48

With surfaces in the form of an endless band

Official title: with surfaces in the form of an endless band

A21B1/48 (With surfaces in the form of an endless band) appears on 355 US grants and 286 published applications in this corpus.

Search patents in A21B
Granted patents
355
Published applications
286
Assignees
201
Inventors
629
Latest grant
22 Sep 2026

Filings by year

A21B 1/48: granted patents and published applications per publication year
YearGranted patentsPublished applications
197630
197730
197830
197920
198030
198150
198240
198360
198450
198550
198680
198740
198860
198960
199080
199180
199260
1993100
199460
1995110
199620
199760
199880
199990
200090
200161
200266
2003910
2004611
200547
200674
2007712
2008212
2009611
201047
2011214
2012721
2013816
2014136
20151311
201689
2017717
2018814
20191425
20201316
20211413
20221813
202357
2024108
2025119
202616

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