- All sections
- G - Physics
- G08B - Signalling or calling systems; order telegraphs; alarm systems
- G08B 21/14 - Toxic gas alarms
Patent holdings for IPC class G08B 21/14
Total number of patents in this class: 370
10-year publication summary
|
49
|
56
|
64
|
61
|
39
|
40
|
32
|
27
|
29
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 40754 |
59 |
| Honeywell International Inc. | 14007 |
23 |
| Carrier Corporation | 4444 |
9 |
| Dräger Safety AG & Co. KGaA | 408 |
6 |
| Makusafe Corp. | 20 |
6 |
| Accenture Global Services Limited | 1722 |
5 |
| Industrial Scientific Corporation | 84 |
5 |
| Saudi Arabian Oil Company | 12404 |
5 |
| Shepherd Safety Systems, LLC | 13 |
5 |
| Intel Corporation | 46097 |
4 |
| Eleven Eleven Technologies, LLC | 6 |
4 |
| Nanokem Co., Ltd. | 8 |
4 |
| Rebellion Photonics, Inc. | 85 |
3 |
| Siemens Schweiz AG | 587 |
3 |
| Blackline Safety Corp. | 20 |
3 |
| Saam, Inc. | 24 |
3 |
| Overcast Innovations LLC | 27 |
3 |
| Progress Lighting, LLC | 70 |
3 |
| Qualcomm Incorporated | 81413 |
2 |
| Siemens AG | 24572 |
2 |
| Other owners | 213 |