A01M 29/30

Preventing or obstructing access or passage

Official title: preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water

A01M29/30 (Preventing or obstructing access or passage) appears on 498 US grants and 604 published applications in this corpus.

Search patents in A01M
Granted patents
498
Published applications
604
Assignees
233
Inventors
932
Latest grant
6 Oct 2026

Filings by year

A01M 29/30: granted patents and published applications per publication year
YearGranted patentsPublished applications
197720
197830
197910
198010
198110
198200
198310
198410
198500
198600
198700
198820
198930
199040
199180
199290
199340
199480
1995100
199680
199770
1998100
199940
200070
200143
20021417
20031314
2004918
2005721
2006415
20071011
2008418
2009318
20101023
2011817
20121223
20131931
20141628
20152021
20161635
20171217
20181737
20192329
20202931
20212729
20222630
20232935
20241832
20252838
20262613

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

Subgroups

Granted patents