G11B 19/04

Arrangements for preventing, inhibiting, or warning against double recording on the same

Official title: Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions

G11B19/04 (Arrangements for preventing, inhibiting, or warning against double recording on the same) appears on 2,750 US grants and 1,757 published applications in this corpus.

Search patents in G11B
Granted patents
2,750
Published applications
1,757
Assignees
445
Inventors
4,232
Latest grant
22 Sep 2026

Filings by year

G11B 19/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197700
197800
197900
198000
198140
198230
198320
198440
1985150
1986160
1987190
1988290
1989510
1990350
1991300
1992390
1993400
1994560
1995500
1996460
1997880
19981090
1999930
20001620
200110650
200274142
200311087
2004100120
200572121
2006114154
200797160
2008120153
2009135145
2010131120
2011273196
20128252
20136746
20149644
20157232
20164724
20173522
20183012
20191313
20202211
2021127
2022108
2023711
202478
2025119
20261410

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

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Granted patents