H04R 1/12

Sanitary or hygienic devices for mouthpieces or earpieces

Official title: Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection

H04R1/12 (Sanitary or hygienic devices for mouthpieces or earpieces) appears on 88 US grants and 89 published applications in this corpus.

Search patents in H04R
Granted patents
88
Published applications
89
Assignees
53
Inventors
195
Latest grant
2 Jun 2026

Filings by year

H04R 1/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198300
198420
198500
198620
198700
198820
198940
199010
199120
199210
199300
199400
199510
199630
199710
199830
199910
200000
200150
200221
200316
200421
200503
200613
200734
200801
200905
201032
201122
201223
201302
201414
201503
201655
201746
201855
201962
202027
202157
202232
202325
202443
202532
202635

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