G11B 3/02
Arrangements of heads
G11B3/02 (Arrangements of heads) appears on 479 US grants and 56 published applications in this corpus.
Search patents in G11B- Granted patents
- 479
- Published applications
- 56
- Assignees
- 124
- Inventors
- 554
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 28 | 0 |
| 1978 | 56 | 0 |
| 1979 | 44 | 0 |
| 1980 | 51 | 0 |
| 1981 | 41 | 0 |
| 1982 | 56 | 0 |
| 1983 | 30 | 0 |
| 1984 | 31 | 0 |
| 1985 | 15 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 4 | 7 |
| 2017 | 7 | 5 |
| 2018 | 8 | 3 |
| 2019 | 3 | 6 |
| 2020 | 7 | 3 |
| 2021 | 4 | 3 |
| 2022 | 3 | 1 |
| 2023 | 1 | 5 |
| 2024 | 3 | 3 |
| 2025 | 6 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G11B 3/10Arranging, supporting, or driving of heads or of transducers relatively to record296
- G11B 3/08Raising, lowering, traversing otherwise than for transducing, arresting, or holding-up heads against242
- G11B 3/06Determining or indicating positions of head16
- G11B 3/04Multiple, convertible, or alternative transducing arrangements2
Recent patents
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- Read head for a turntable17 Sep 2026US 2026/0279388 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Liquid-bearing tonearm device8 Jan 2026US 2026/0011343 A1
- Device for mounting a tone arm, in particular a tone arm of a record player13 Nov 2025US 2025/0349313 A1clearaudio electronic GmbH
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Most cited
By later US patents
- Cueing device for phonographs350US 4,079,944 A1978
- Apparatus for a record player distinguishing between recorded and unrecorded portions of a disc345US 4,707,815 ATokyo Shibaura Denki Kabushiki Kaisha · 1987
- Reconfiguring redundancy management66US 4,327,437 A1982
- Sound track selector system for phonograph record players31US 3,937,903 A1976
- Programmable record changer25US 4,093,832 AMarvin Glass & Associates · 1978