G11B 33/1473
Of/from bearings
Official title: {of/from bearings}
G11B33/1473 (Of/from bearings) appears on 73 US grants and 30 published applications in this corpus.
Search patents in G11B- Granted patents
- 73
- Published applications
- 30
- Assignees
- 24
- Inventors
- 109
- Latest grant
- 16 Feb 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 0 |
| 2003 | 2 | 5 |
| 2004 | 3 | 1 |
| 2005 | 3 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 2 | 1 |
| 2014 | 4 | 3 |
| 2015 | 3 | 2 |
| 2016 | 3 | 3 |
| 2017 | 3 | 4 |
| 2018 | 3 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Testing assembly for sealed hard disk drives16 Feb 2021US 10,923,160 B2Seagate Technology LLC
- Spindle motor and disk drive apparatus16 Oct 2018US 10,102,876 B2Nidec Corporation
- Disc drive actuator assembly with bearing cooling12 Jun 2018US 9,997,206 B2Seagate Technology LLC
- Spindle motor and disk drive apparatus6 Mar 2018US 9,911,456 B2Nidec Corporation
- Disc drive actuator assembly with bearing cooling29 Aug 2017US 9,747,955 B2Seagate Technology LLC
- Testing assembly for sealed hard disk drives7 Jan 2021US 2021/0005226 A1Seagate Technology LLC
- Spindle motor and disk drive apparatus29 Mar 2018US 2018/0090166 A1Nidec Corporation
- Disc drive actuator assembly with bearing cooling14 Dec 2017US 2017/0358326 A1Seagate Technology LLC
- Spindle motor and disk drive apparatus31 Aug 2017US 2017/0249968 A1Nidec Corporation
- Disc drive actuator assembly with bearing cooling26 Jan 2017US 2017/0025136 A1Seagate Technology LLC
Most cited
By later US patents
- Method and apparatus for controlling radial disk displacement in Winchester disk drives72US 4,754,351 AMaxtor Corporation · 1988
- Hydrodynamic bearing and seal60US 5,423,612 AQuantum Corporation · 1995
- Electrically conductive ferrofluid compositions and method of preparing and using same51US 4,604,229 AFerrofluidics Corporation · 1986
- Disk drive with actuator pivot bearing having a surface coating inhibiting lubricant migration51US 8,553,366 B1Western Digital Technologies, Inc. · 2013
- Spindle motor50US 5,045,738 ANippon Densan Corporation · 1991