G11B 3/31
Construction of arms
Official title: Construction of arms {(for transmitting, directing or amplifying sound G11B3/003)}
G11B3/31 (Construction of arms) appears on 26 US grants and 11 published applications in this corpus.
Search patents in G11B- Granted patents
- 26
- Published applications
- 11
- Assignees
- 17
- Inventors
- 49
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Static electricity elimination floating tonearm10 Feb 2026US 12,548,590 B2
- Resonant suppressor for record player tone arm25 Feb 2025US 12,236,982 B2Kronos Audio Products Inc.
- Adjustable dual tensioning tone arm device and assembly15 Aug 2017US 9,734,863 B2Gibson Brands, Inc.
- Phonograph tone arm mounting, decoupling, vertical tracking angle adjustment system, and vertical guide system8 Dec 2009US 7,630,288 B2
- Tone arm assembly11 Aug 1987US 4,686,664 A
- Read head for a turntable17 Sep 2026US 2026/0279388 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Liquid-bearing tonearm device8 Jan 2026US 2026/0011343 A1
- Static electricity elimination floating tonearm19 Dec 2024US 2024/0420731 A1
- Resonant suppressor for record player tone arm27 Jul 2023US 2023/0238021 A1Kronos Audio Products Inc.
- Tone arm and record player20 Apr 2023US 2023/0124443 A1Ogasawara Precision Laboratory Co., Ltd.
Most cited
By later US patents
- Programmable record changer25US 4,093,832 AMarvin Glass & Associates · 1978
- Phonograph record player17US 4,284,279 ASony Corporation · 1981
- Read/write head carriage assembly13US 4,347,535 AShugart Associates · 1982
- Pickup cartridge10US 4,049,280 ARCA Corporation · 1977
- Record player8US 4,166,624 ASony Corporation · 1979