- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 21/18 - Status alarms
Patent holdings for IPC class G08B 21/18
Total number of patents in this class: 5871
10-year publication summary
|
492
|
638
|
696
|
659
|
669
|
721
|
769
|
615
|
588
|
500
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148924 |
100 |
| Google LLC | 43044 |
84 |
| International Business Machines Corporation | 61734 |
71 |
| State Farm Mutual Automobile Insurance Company | 3181 |
69 |
| Honeywell International Inc. | 13554 |
63 |
| Apple Inc. | 56211 |
54 |
| Federal Express Corporation | 679 |
41 |
| LG Electronics Inc. | 73678 |
35 |
| Alarm.com Incorporated | 989 |
35 |
| Caterpillar Inc. | 9730 |
31 |
| May Patents Ltd. | 146 |
31 |
| ARC Devices Limited | 67 |
30 |
| Tyco Fire & Security GmbH | 3455 |
30 |
| Saudi Arabian Oil Company | 13622 |
29 |
| Intel Corporation | 46445 |
27 |
| LG Energy Solution, Ltd. | 15763 |
27 |
| The Boeing Company | 20166 |
26 |
| Fitbit, Inc. | 663 |
25 |
| Oshkosh Corporation | 1409 |
24 |
| Amazon Technologies, Inc. | 27203 |
23 |
| Other owners | 5016 |