G11B 15/6651
To pull the record carrier against non rotating heads
Official title: {to pull the record carrier against non rotating heads}
G11B15/6651 (To pull the record carrier against non rotating heads) appears on 23 US grants and 9 published applications in this corpus.
Search patents in G11B- Granted patents
- 23
- Published applications
- 9
- Assignees
- 12
- Inventors
- 43
- Latest grant
- 25 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 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 | 1 | 1 |
| 2015 | 2 | 4 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Spring clip leader and housing for magnetic tape25 May 2021US 11,017,810 B2International Business Machines Corporation
- Segmented magnetic recording write head for writing timing-based servo patterns15 Sep 2020US 10,777,221 B2International Business Machines Corporation
- Segmented magnetic recording write head for writing timing-based servo patterns16 Apr 2019US 10,262,682 B2International Business Machines Corporation
- Segmented magnetic recording write head for writing timing-based servo patterns8 Jan 2019US 10,176,830 B2International Business Machines Corporation
- Spring clip leader and housing for magnetic tape7 Aug 2018US 10,043,547 B2International Business Machines Corporation
- Segmented magnetic recording write head for writing timing-based servo patterns6 Jun 2019US 2019/0172484 A1International Business Machines Corporation
- Spring clip leader and housing for magnetic tape13 Sep 2018US 2018/0261249 A1International Business Machines Corporation
- Segmented magnetic recording write head for writing timing-based servo patterns22 Mar 2018US 2018/0082707 A1International Business Machines Corporation
- Segmented magnetic recording write head for writing timing-based servo patterns22 Mar 2018US 2018/0082708 A1International Business Machines Corporation
- Spring clip leader and housing for magnetic tape18 Jun 2015US 2015/0170708 A1International Business Machines Corporation
Most cited
By later US patents
- Tape draw-out mechanism14US 4,697,215 AFujitsu Limited · 1987
- Electronic and kinematic contrivance for a selective recording of signals on a single tape9US 4,123,787 A1978
- Tape extractor and pad lifter for extracting tape from a cassette center well, and related method8US 5,430,586 A1995
- Segmented magnetic recording write head for writing timing-based servo patterns8US 9,852,747 B1International Business Machines Corporation · 2017
- Tape cartridge loading apparatus6US 4,561,610 AMegaTape Corporation · 1985