G11B 3/14
By using effects of gravity or inertia
Official title: by using effects of gravity or inertia, e.g. counterweight (G11B3/28 takes precedence)
G11B3/14 (By using effects of gravity or inertia) appears on 33 US grants and 4 published applications in this corpus.
Search patents in G11B- Granted patents
- 33
- Published applications
- 4
- Assignees
- 18
- Inventors
- 49
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Tonearm pivot25 Mar 2025US 12,260,884 B2
- Platter supported and driven turntable28 Aug 2018US 10,062,396 B1
- Suspension vibration damper with internal metal layer24 Jul 2018US 10,032,466 B1Magnecomp Corporation
- Disk drive suspension having dual vibration damper14 Jun 2016US 9,368,129 B1Magnecomp Corporation
- Tone arm assembly17 May 2011US 7,944,803 B2
Most cited
By later US patents
- Damper means for damping the resonance of disc record tone arms11US 4,131,284 A1978
- Tone arm9US 4,570,253 A1986
- Tone pickup arm device keeping excellent dynamic lateral balance and damping effect8US 4,113,265 ANippon Gakki Seizo Kabushiki Kaisha · 1978
- Viscous damping arrangement for record player tone arms8US 4,154,445 A1979
- Pickup arm device dynamically damped7US 4,079,943 AMatsushita Electric Industrial Co., Ltd. · 1978