G10D 9/04
Valves
Official title: Valves; Valve controls
G10D9/04 (Valves) appears on 204 US grants and 96 published applications in this corpus.
Search patents in G10D- Granted patents
- 204
- Published applications
- 96
- Assignees
- 51
- Inventors
- 231
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 5 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 0 |
| 2002 | 3 | 1 |
| 2003 | 4 | 9 |
| 2004 | 3 | 2 |
| 2005 | 3 | 4 |
| 2006 | 1 | 7 |
| 2007 | 2 | 4 |
| 2008 | 5 | 4 |
| 2009 | 3 | 1 |
| 2010 | 5 | 4 |
| 2011 | 2 | 1 |
| 2012 | 5 | 3 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 5 | 6 |
| 2016 | 5 | 2 |
| 2017 | 5 | 4 |
| 2018 | 3 | 7 |
| 2019 | 8 | 7 |
| 2020 | 6 | 6 |
| 2021 | 4 | 0 |
| 2022 | 3 | 3 |
| 2023 | 2 | 5 |
| 2024 | 2 | 5 |
| 2025 | 4 | 2 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve casings and assemblies for valve-based musical instruments and methods for manufacturing same12 May 2026US 12,626,677 B2
- Equilibrium piston valve for brass instruments3 Feb 2026US 12,542,119 B2
- Wind instrument having expanded sound range8 Jul 2025US 12,354,573 B2
- Valve guide with external return spring for musical instrument17 Jun 2025US 12,331,841 B2Bajoc Music Enterprises, LLC
- Bagpipe air pressure regulation device and method1 Apr 2025US 12,266,326 B2
- A valve assembly for a brass instrument24 Sep 2026US 2026/0290287 A1Geneva Instruments Limited
- Flute key with improved flute key cup and stabilizing disc23 Jul 2026US 2026/0212842 A1Eastman Wind Instruments, Inc.
- Trombone Fusion Valve Attachment23 Jul 2026US 2026/0212843 A1
- Device for changing the tone and the harmonic key of a trumpet9 Jul 2026US 2026/0196193 A1Hoxon Gakki Corporation
- Self-leveling pad assembly for woodwind instruments and method of use29 Jan 2026US 2026/0031069 A1Dorian Corporation d/b/a MusicMedic.com
Most cited
By later US patents
- Method and apparatus for disabling anti-copy protection system in video signals60US 5,194,965 AMacrovision Corporation · 1993
- Axial flow valve17US 4,469,002 A1984
- Tone hole pad for wind instruments, particularly flutes16US 4,704,939 A1987
- Wind instrument and process of making same16US 4,798,122 A1989
- Cushion for a tone hole pad16US 5,183,954 AVerne O. Powell Flutes, Inc. · 1993