- All sections
- G - Physics
- G10K - Sound-producing devicesmethods or devices for protecting against, or for damping, noise or other acoustic waves in generalacoustics not otherwise provided for
- G10K 11/20 - Reflecting arrangements
Patent holdings for IPC class G10K 11/20
Total number of patents in this class: 133
10-year publication summary
|
16
|
15
|
12
|
14
|
14
|
9
|
15
|
6
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Subsea Asset Location Technologies Limited | 11 |
10 |
| Salt Aviation Recovery Assistance Limited | 5 |
4 |
| Koninklijke Philips N.V. | 24740 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
3 |
| Acoustic 3D Holdings Limited | 8 |
3 |
| Areva NP | 214 |
3 |
| Constellation Productions, Inc. | 15 |
3 |
| Industrial Scientific Corporation | 86 |
3 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 620 |
3 |
| University of Washington | 2322 |
3 |
| GWF Messsysteme AG | 35 |
3 |
| Bang & Olufsen A/S | 303 |
3 |
| Toyota Motor Corporation | 31903 |
2 |
| The Boeing Company | 20048 |
2 |
| Yamaha Corporation | 4087 |
2 |
| The Arizona Board of Regents on Behalf of the University of Arizona | 2153 |
2 |
| Aspect Imaging Ltd. | 137 |
2 |
| Dalian University of Technology | 1519 |
2 |
| Jim Melhart Piano and Organ Company | 13 |
2 |
| Nanjing University | 725 |
2 |
| Other owners | 73 |