- 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 9/04 - Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers driven by gas, e.g. suction operated by compressed gases, e.g. compressed air
Patent holdings for IPC class G10K 9/04
Total number of patents in this class: 32
10-year publication summary
|
3
|
6
|
2
|
4
|
2
|
2
|
1
|
2
|
3
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wolo Mfg. Corp. | 113 |
8 |
| Geospectrum Technologies Inc. | 13 |
4 |
| PGS Geophysical AS | 536 |
3 |
| Woodscan Industries Inc. | 5 |
2 |
| Nanjing Changrong Acoustic Inc. | 7 |
2 |
| Ford Global Technologies, LLC | 20788 |
1 |
| Babcock-Hitachi Kabushiki Kaisha | 102 |
1 |
| BP Exploration Operating Company Limited | 267 |
1 |
| Ideations design inc., DBA DiveAlert by Ideations | 2 |
1 |
| Martin Engineering Company | 101 |
1 |
| Security Equipment Corporation | 60 |
1 |
| Infrafone AB | 3 |
1 |
| Tallstam AB | 2 |
1 |
| Infrasonik AB | 2 |
1 |
| Detail Specialties, LLC | 1 |
1 |
| Transportation IP Holdings, LLC | 942 |
1 |
| Twist 'N' Shout Ltd. | 1 |
1 |
| Mnd France | 32 |
1 |
| Other owners | 0 |