- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 21/14 - Toxic gas alarms
Patent holdings for IPC class G08B 21/14
Total number of patents in this class: 391
10-year publication summary
|
56
|
64
|
61
|
38
|
41
|
33
|
29
|
31
|
19
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 44482 |
59 |
| Honeywell International Inc. | 12778 |
24 |
| Kidde Fire Protection LLC | 437 |
11 |
| Dräger Safety AG & Co. KGaA | 470 |
8 |
| Saudi Arabian Oil Company | 14207 |
8 |
| Makusafe Corp. | 24 |
7 |
| Industrial Scientific Corporation | 110 |
6 |
| Accenture Global Services Limited | 1307 |
5 |
| Shepherd Safety Systems, LLC | 13 |
5 |
| Intel Corporation | 47102 |
4 |
| Rebellion Photonics, Inc. | 98 |
4 |
| Eleven Eleven Technologies, LLC | 4 |
4 |
| Blackline Safety Corp. | 25 |
4 |
| Overcast Innovations LLC | 30 |
4 |
| Nanokem Co., Ltd. | 8 |
4 |
| Aramco Services Company | 4188 |
3 |
| Siemens Schweiz AG | 636 |
3 |
| Saam, Inc. | 12 |
3 |
| Progress Lighting, LLC | 77 |
3 |
| Resideo LLC | 1219 |
3 |
| Other owners | 219 |