G11B 33/045
Comprising centre hole locking means
Official title: {comprising centre hole locking means}
G11B33/045 (Comprising centre hole locking means) appears on 204 US grants and 182 published applications in this corpus.
Search patents in G11B- Granted patents
- 204
- Published applications
- 182
- Assignees
- 109
- Inventors
- 326
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 8 | 0 |
| 2000 | 11 | 0 |
| 2001 | 13 | 6 |
| 2002 | 16 | 27 |
| 2003 | 19 | 23 |
| 2004 | 13 | 26 |
| 2005 | 9 | 23 |
| 2006 | 10 | 22 |
| 2007 | 7 | 14 |
| 2008 | 9 | 12 |
| 2009 | 3 | 11 |
| 2010 | 9 | 7 |
| 2011 | 2 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic disk device having spindle motor30 Dec 2025US 12,512,128 B2Kabushiki Kaisha Toshiba
- Packaging storage container4 Jun 2024US 11,999,528 B2Finest Products Limited
- Electronic media disc storage tray component13 Nov 2018US 10,127,946 B2JohnsByrne Company
- Disk magazine30 Oct 2018US 10,115,429 B2Panasonic Intellectual Property Management Co., Ltd.
- Frame assembly22 Dec 2015US 9,215,941 B1MCS Industries, Inc.
- Magnetic disk device27 Mar 2025US 2025/0104740 A1Kabushiki Kaisha Toshiba
- Packaging storage container22 Jun 2023US 2023/0192360 A1Finest Products Limited
- Disk magazine21 Jun 2018US 2018/0174609 A1Panasonic Intellectual Property Management Co., Ltd.
- Electronic media disc storage tray component22 Jun 2017US 2017/0178694 A1JohnsByrne Company
- Disc presentation device7 Nov 2013US 2013/0291492 A1Blockbuster Inc.
Most cited
By later US patents
- Storage cassette for two or more disk-shaped high memory density information carriers132US 4,535,888 APolygram GmbH · 1985
- Compact CD case94US 5,322,162 AOuter Circle Products, Ltd. · 1994
- Carrying case for recorded media90US 5,697,498 AFellowes Mfg. Co. · 1997
- Package tray having reversible nesting and enclosing fastening feature84US 5,634,559 APlastofilm Industries, Inc. · 1997
- Disk record container83US 4,327,831 AVictor Company of Japan, Ltd. · 1982