G11B 19/2009
Turntables, hubs and motors for disk drives
Official title: {Turntables, hubs and motors for disk drives; Mounting of motors in the drive (means for clamping of disk to turntable G11B17/022 and subgroups)}
G11B19/2009 (Turntables, hubs and motors for disk drives) appears on 2,066 US grants and 1,395 published applications in this corpus.
Search patents in G11B- Granted patents
- 2,066
- Published applications
- 1,395
- Assignees
- 336
- Inventors
- 2,678
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 12 | 0 |
| 1984 | 16 | 0 |
| 1985 | 10 | 0 |
| 1986 | 11 | 0 |
| 1987 | 27 | 0 |
| 1988 | 35 | 0 |
| 1989 | 44 | 0 |
| 1990 | 27 | 0 |
| 1991 | 35 | 0 |
| 1992 | 42 | 0 |
| 1993 | 31 | 0 |
| 1994 | 40 | 0 |
| 1995 | 49 | 0 |
| 1996 | 49 | 0 |
| 1997 | 60 | 0 |
| 1998 | 91 | 0 |
| 1999 | 88 | 0 |
| 2000 | 78 | 0 |
| 2001 | 95 | 38 |
| 2002 | 83 | 99 |
| 2003 | 76 | 102 |
| 2004 | 91 | 108 |
| 2005 | 71 | 77 |
| 2006 | 86 | 81 |
| 2007 | 42 | 66 |
| 2008 | 38 | 68 |
| 2009 | 43 | 55 |
| 2010 | 43 | 60 |
| 2011 | 49 | 79 |
| 2012 | 63 | 77 |
| 2013 | 96 | 135 |
| 2014 | 127 | 115 |
| 2015 | 91 | 72 |
| 2016 | 36 | 30 |
| 2017 | 27 | 14 |
| 2018 | 17 | 11 |
| 2019 | 20 | 28 |
| 2020 | 19 | 12 |
| 2021 | 13 | 7 |
| 2022 | 10 | 9 |
| 2023 | 10 | 18 |
| 2024 | 13 | 19 |
| 2025 | 12 | 7 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mitigating oxygen depletion in sealed enclosure heat assisted magnetic recording disk drives28 Apr 2026US 12,614,570 B2Seagate Technology LLC
- Speed control of actuator arm and spindle in a data storage device17 Mar 2026US 12,579,999 B2Western Digital Technologies, Inc.
- Sealed hard disk drive base insert3 Feb 2026US 12,542,154 B2Western Digital Technologies, Inc.
- Rolling bearing, pivot assembly bearing, and disk drive apparatus27 Jan 2026US 12,534,681 B2MINEBEA MITSUMI Inc.
- Disk device with wiring board on outer surface of housing and connected to motor and sealing configuration13 Jan 2026US 12,525,259 B2Kabushiki Kaisha Toshiba
- Ultrasonic motor rotary actuator for hard disk drive24 Sep 2026US 2026/0290395 A1Seagate Technology LLC
- Acoustic device13 Aug 2026US 2026/0237404 A1Alphatheta Corporation
- Magnetic disk device having motor16 Jul 2026US 2026/0204285 A1Kabushiki Kaisha Toshiba
- Bearing span reduction with coil thickness increase for improved actuator structural dynamics in hard disk drive23 Apr 2026US 2026/0112389 A1Western Digital Technologies, Inc.
- Disk device with wiring board on outer surface of housing and connected to motor and sealing configuration23 Apr 2026US 2026/0112392 A1Kabushiki Kaisha Toshiba
Most cited
By later US patents
- Apparatus and method for noise attenuation in a speech recognition system205US 6,768,979 B1Sony Corporation · 2004
- Disk drive apparatus143US 5,025,336 APrairietek Corporation · 1991
- Disk drive comprising a spindle motor having a windings shield for reduced disk voltage coupling112US 7,113,365 B1Western Digital Technologies, Inc. · 2006
- Magnetic disk drive having a movable drive motor loading mechanism102US 4,663,677 AIomega Corporation · 1987
- Apparatus for coupling record disk to disk drive81US 4,901,173 A1990