G10K 11/22
For conducting sound through hollow pipes
Official title: for conducting sound through hollow pipes, e.g. speaking tubes
G10K11/22 (For conducting sound through hollow pipes) appears on 201 US grants and 191 published applications in this corpus.
Search patents in G10K- Granted patents
- 201
- Published applications
- 191
- Assignees
- 159
- Inventors
- 475
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 5 |
| 2003 | 6 | 2 |
| 2004 | 2 | 4 |
| 2005 | 1 | 7 |
| 2006 | 0 | 7 |
| 2007 | 2 | 3 |
| 2008 | 1 | 5 |
| 2009 | 5 | 3 |
| 2010 | 3 | 3 |
| 2011 | 1 | 0 |
| 2012 | 2 | 4 |
| 2013 | 0 | 5 |
| 2014 | 3 | 6 |
| 2015 | 4 | 13 |
| 2016 | 9 | 11 |
| 2017 | 12 | 14 |
| 2018 | 12 | 15 |
| 2019 | 14 | 11 |
| 2020 | 12 | 11 |
| 2021 | 13 | 16 |
| 2022 | 11 | 9 |
| 2023 | 12 | 23 |
| 2024 | 17 | 7 |
| 2025 | 10 | 7 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acoustic wave manipulation21 Apr 2026US 12,610,187 B2The University of Sussex
- Systems and methods for classical entanglement in large multi-qubit acoustic analogue systems20 Jan 2026US 12,530,611 B2Arizona Board of Regents on Behalf of the University of Arizona
- Audio device30 Dec 2025US 12,513,455 B2Panasonic Intellectual Property Corporation of America
- Systems and methods for suppressing sound leakage16 Dec 2025US 12,501,224 B2Shenzhen Shokz Co., Ltd.
- Auscultation-assisting tool and stethoscope25 Nov 2025US 12,478,345 B2
- Singing Assistance Mask24 Jul 2025US 2025/0239174 A1
- Steerable acoustic waveguide for targeted focused ultrasound delivery19 Jun 2025US 2025/0201228 A1Vanderbilt University
- Systems and methods for classical entanglement in large multi-qubit acoustic analogue systems29 May 2025US 2025/0173593 A1Arizona Board of Regents on Behalf of the University of Arizona
- Ultrasonic generator8 May 2025US 2025/0149017 A1Nitterra Co., Ltd.
- Vehicle approach notification device27 Feb 2025US 2025/0065805 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Acoustic coupler for use with auditory equipment269US 3,934,100 AThe Seeburg Corporation · 1976
- Medical instrument for treating biological tissue and method for transmitting pressure waves175US 6,736,784 B1Ferton Holding S.A. · 2004
- Hinged acoustical voice tube79US 4,926,961 AACS Communications, Inc. · 1990
- Device for acting by ultrasonic vibrations on an object60US 5,160,336 AFerton Holding S.A. · 1992
- Ultrasonic waveguide60US 5,289,436 AGeneral Electric Company · 1994