G10K 11/08
Non-electric sound-amplifying devices
Official title: Non-electric sound-amplifying devices, e.g. non-electric megaphones (amplifying by horns G10K11/02; amplifying by focusing G10K11/26)
G10K11/08 (Non-electric sound-amplifying devices) appears on 102 US grants and 89 published applications in this corpus.
Search patents in G10K- Granted patents
- 102
- Published applications
- 89
- Assignees
- 63
- Inventors
- 192
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 3 | 5 |
| 2016 | 5 | 9 |
| 2017 | 5 | 10 |
| 2018 | 4 | 4 |
| 2019 | 5 | 11 |
| 2020 | 3 | 2 |
| 2021 | 4 | 9 |
| 2022 | 5 | 6 |
| 2023 | 4 | 6 |
| 2024 | 5 | 4 |
| 2025 | 1 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable passive sound amplifier with power bank system12 May 2026US 12,626,679 B2
- Expandable acoustic reinforcement member and manufacturing method therefor and use thereof12 May 2026US 12,627,920 B2SSI New Material (Zhenjiang) Co., Ltd.
- Resonator devices and assemblies thereof24 Feb 2026US 12,563,336 B2SimpliSafe, Inc.
- Sound amplification structure and building foundation structure14 Oct 2025US 12,442,152 B2Shimex Ltd.
- Attachment device for holding an auscultation device near a smart device31 Dec 2024US 12,178,633 B2BioVentures, LLC
- Resonator devices and assemblies thereof30 Jul 2026US 2026/0222729 A1SimpliSafe, Inc.
- Audio enhancing devices and mobile device cases incorporating the same and related methods23 Oct 2025US 2025/0330535 A1Enhance It, Inc.
- Ultrasonic wave amplifier and electronic device including the same8 May 2025US 2025/0150752 A1Korea Advanced Institute of Science and Technology
- Hearing aid for leisure sports24 Apr 2025US 2025/0131904 A1
- Sound Amplification Block Made of Air-Permeable Material and Air-Absorbing Material and Having Layered Structure, and Manufacturing Method Thereof13 Feb 2025US 2025/0054477 A1EM-TECH Co., Ltd.
Most cited
By later US patents
- Ear acoustical hearing aid91US 4,556,122 AInnovative Hearing Corporation · 1985
- Combined insulated drinking mug and megaphone53US 4,618,066 AMug-A-Phone, Inc. · 1986
- Ultrasonic transmitter-receiver46US 6,087,760 AMatsushita Electric Industrial Co., Ltd. · 2000
- Piezoelectric transducer with displacement amplifier43US 5,063,542 AAtlantic Richfield Company · 1991
- Megaphone-cup32US 4,125,218 A1978