B66B 2201/4607

Call registering systems

B66B2201/4607 (Call registering systems) appears on 596 US grants and 770 published applications in this corpus.

Search patents in B66B
Granted patents
596
Published applications
770
Assignees
123
Inventors
1,014
Latest grant
29 Sep 2026

Filings by year

B66B 2201/4607: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198010
198100
198220
198300
198420
198530
198630
198770
198820
198930
199020
199100
199230
199330
199410
199500
199610
199710
199840
199940
200050
200132
200253
200357
200447
200554
200688
2007515
2008615
20091013
2010811
20111819
20121742
20132216
20142219
2015932
20162044
20171850
20183361
20196282
20203378
20212667
20223656
20233451
20244327
20255220
20264421

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

Subgroups

Granted patents
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