G11B 15/64
By fluid-dynamic spacing
Official title: by fluid-dynamic spacing
G11B15/64 (By fluid-dynamic spacing) appears on 79 US grants and 25 published applications in this corpus.
Search patents in G11B- Granted patents
- 79
- Published applications
- 25
- Assignees
- 28
- Inventors
- 135
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 2 | 6 |
| 2019 | 6 | 7 |
| 2020 | 9 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low friction planar servo writer head16 Jun 2026US 12,658,200 B2Western Digital Technologies, Inc.
- Media non-contacting magnetic recording head8 Nov 2022US 11,495,254 B2Western Digital Technologies, Inc.
- Tape head and system having asymmetrical construction10 Nov 2020US 10,832,708 B2International Business Machines Corporation
- Methods for selecting wrap angle for inducing tape tenting above transducer10 Nov 2020US 10,832,725 B2International Business Machines Corporation
- Tape drive with gas jet impinging on tape22 Sep 2020US 10,783,920 B2International Business Machines Corporation
- Low Friction Planar Servo Writer Head11 Dec 2025US 2025/0378846 A1Western Digital Technologies, Inc.
- Media Non-Contacting Magnetic Recording Head14 Apr 2022US 2022/0115037 A1Western Digital Technologies, Inc.
- Tape drive with gas jet impinging on tape20 Feb 2020US 2020/0058324 A1International Business Machines Corporation
- Tape head and system having asymmetrical construction7 Nov 2019US 2019/0341070 A1International Business Machines Corporation
- Methods for selecting wrap angle for inducing tape tenting above transducer10 Oct 2019US 2019/0311740 A1International Business Machines Corporation
Most cited
By later US patents
- Mechanism for damping tape vibrations in a magnetic tape recorder115US 4,825,317 ASiemens Aktiengesellschaft · 1989
- Bidirectional flat contour linear tape recording head and drive78US 5,905,613 AInternational Business Machines Corporation · 1999
- Tape head contour utilizing enclosed through slots44US 6,433,959 B1Storage Technology Corporation · 2002
- Dynamic skew correction for rotating head magnetic recorder30US 3,943,566 AInternational Business Machines Corporation · 1976
- Magnetic tape stabilizer for a recording and playback device28US 5,982,592 ASony Corporation · 1999