A42B 3/306
Audio entertainment systems
Official title: {Audio entertainment systems}
A42B3/306 (Audio entertainment systems) appears on 30 US grants and 40 published applications in this corpus.
Search patents in A42B- Granted patents
- 30
- Published applications
- 40
- Assignees
- 25
- Inventors
- 79
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 7 |
| 2018 | 3 | 6 |
| 2019 | 6 | 6 |
| 2020 | 3 | 0 |
| 2021 | 3 | 5 |
| 2022 | 3 | 3 |
| 2023 | 3 | 4 |
| 2024 | 0 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for smart helmet6 Oct 2026US 12,751,517 B2Polaris Industries Inc.
- Systems and methods for smart helmet25 Mar 2025US 12,256,799 B2Polaris Industries Inc.
- Audio information transmission system, method, device, corresponding two wheeled vehicle, and helmet7 Jan 2025US 12,192,569 B2Sharkgulf Technology (Qingdao) Co., Ltd.
- Interactive headgear5 Dec 2023US 11,836,410 B2Universal City Studios LLC
- Bluetooth intercom accessory for helmets8 Aug 2023US 11,722,871 B2
- Acoustic components and arrangements for helmets14 May 2026US 2026/0136121 A1Cardo Systems, Inc.
- Systems and methods for smart helmet12 Jun 2025US 2025/0185749 A1Polaris Industries Inc.
- Interactive headgear15 Feb 2024US 2024/0053942 A1Universal City Studios LLC
- Noise-isolating headphone systems for headgegar14 Sep 2023US 2023/0292035 A1Harman International Industries, Incorporated
- Helmet with an integrated power source for connected electronic devices10 Aug 2023US 2023/0251063 A1
Most cited
By later US patents
- Helmet adjunct for retention of portable audio device17US 8,245,326 B12012
- Ballistic helmet15US 10,928,163 B22021
- Hard hat with integrated electronic systems9US 10,856,599 B12020
- Intelligent safety helmet with front play of rearview8US 10,051,909 B22018
- Headset and headset coupling system8US 11,337,484 B2Gentex Corporation · 2022