patentgrepDocs Get an API key

G11B 15/662

Positioning or locking of spool or reel

Official title: {Positioning or locking of spool or reel}

G11B15/662 (Positioning or locking of spool or reel) appears on 59 US grants and 7 published applications in this corpus.

Search patents in G11B

Granted patents: 59
Published applications: 7
Assignees: 35
Inventors: 94
Latest grant: 25 Jun 2024

Filings by year

G11B 15/662: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	6	0
1977	1	0
1978	5	0
1979	1	0
1980	2	0
1981	4	0
1982	3	0
1983	1	0
1984	3	0
1985	2	0
1986	2	0
1987	3	0
1988	3	0
1989	3	0
1990	2	0
1991	1	0
1992	1	0
1993	1	0
1994	1	0
1995	2	0
1996	1	0
1997	0	0
1998	0	0
1999	0	0
2000	1	0
2001	0	0
2002	0	0
2003	1	0
2004	0	1
2005	0	0
2006	1	0
2007	1	0
2008	0	1
2009	1	0
2010	0	0
2011	0	0
2012	0	0
2013	0	0
2014	0	0
2015	1	1
2016	0	1
2017	3	2
2018	1	1
2019	0	0
2020	0	0
2021	0	0
2022	0	0
2023	0	0
2024	1	0

By publication year. Applications have been published since 2001.

Recent patents

Minimizing high resolution tape directory recovery time25 Jun 2024US 12,020,731 B1International Business Machines Corporation
Magnetic tape appliance with selectably always-leading head assemblies29 May 2018US 9,984,721 B2International Business Machines Corporation
Magnetic tape appliance with selectably always-leading head assemblies24 Oct 2017US 9,799,365 B2International Business Machines Corporation
Magnetic tape appliance with selectably always-leading head assemblies22 Aug 2017US 9,741,388 B2International Business Machines Corporation
Permanent magnetic chucking device with large force differential14 Feb 2017US 9,570,221 B2International Business Machines Corporation

Most cited

By later US patents