G11B 23/093
The reels or cores being coaxial
Official title: the reels or cores being coaxial
G11B23/093 (The reels or cores being coaxial) appears on 16 US grants and 1 published applications in this corpus.
Search patents in G11B- Granted patents
- 16
- Published applications
- 1
- Assignees
- 12
- Inventors
- 36
- Latest grant
- 5 Oct 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Increased capacity VCR tape cassette5 Oct 2004US 6,801,395 B1Evity (PTY) Limited
- Coaxial reel drive mechanism19 Jan 1999US 5,860,614 ADeutsche Thomson-Brandt GmbH
- Tape reel lock mechanism for coaxial reel tape cartridge19 Aug 1997US 5,657,937 AStorage Technology Corporation
- Optical tape cassette13 May 1997US 5,628,468 ASamsung Electronics Co., Ltd.
- Coaxial reel tape cartridge with reduced tape forces8 Apr 1997US 5,618,005 AStorage Technology Corporation
Most cited
By later US patents
- Tape scanning apparatus19US 4,939,715 AMinnesota Mining and Manufacturing Company · 1990
- Tape cassette18US 4,254,922 ARobert Bosch GmbH · 1981
- Tape reel lock mechanism for coaxial reel tape cartridge13US 5,657,937 AStorage Technology Corporation · 1997
- Optical tape cassette11US 5,628,468 ASamsung Electronics Co., Ltd. · 1997
- Edge guide for cooperation with a coaxial reel cassette10US 4,131,925 AEastman Kodak Company · 1978