- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 7/04 - Signalling systems according to more than one of groups Personal calling systems according to more than one of groups using hydraulic transmissionSignalling systems according to more than one of groups Personal calling systems according to more than one of groups using pneumatic transmission
Patent holdings for IPC class G08B 7/04
Total number of patents in this class: 3
10-year publication summary
|
2
|
3
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Germitec | 51 |
1 |
| Kidde Technologies, Inc. | 298 |
1 |
| Mccav Air Brake Warning System, LLC | 1 |
1 |
| Other owners | 0 |