- 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: 374
10-year publication summary
|
48
|
52
|
62
|
59
|
34
|
37
|
28
|
28
|
28
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 42510 |
59 |
| Honeywell International Inc. | 13554 |
23 |
| Carrier Corporation | 4292 |
8 |
| Saudi Arabian Oil Company | 13316 |
7 |
| Dräger Safety AG & Co. KGaA | 439 |
6 |
| Makusafe Corp. | 21 |
6 |
| Accenture Global Services Limited | 1529 |
5 |
| Industrial Scientific Corporation | 86 |
5 |
| Shepherd Safety Systems, LLC | 13 |
5 |
| Intel Corporation | 47093 |
4 |
| Eleven Eleven Technologies, LLC | 5 |
4 |
| Nanokem Co., Ltd. | 8 |
4 |
| Aramco Services Company | 4007 |
3 |
| Rebellion Photonics, Inc. | 87 |
3 |
| Siemens Schweiz AG | 603 |
3 |
| Saam, Inc. | 17 |
3 |
| Overcast Innovations LLC | 28 |
3 |
| Progress Lighting, LLC | 79 |
3 |
| Resideo LLC | 1301 |
3 |
| Qualcomm Incorporated | 86153 |
2 |
| Other owners | 215 |