- All sections
- G - Physics
- G08B - Signalling or calling systems; order telegraphs; alarm systems
- G08B 21/18 - Status alarms
Patent holdings for IPC class G08B 21/18
Total number of patents in this class: 5050
10-year publication summary
|
349
|
521
|
655
|
727
|
666
|
684
|
735
|
747
|
608
|
196
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Google LLC | 38759 |
107 |
| Samsung Electronics Co., Ltd. | 131630 |
77 |
| International Business Machines Corporation | 60644 |
71 |
| Honeywell International Inc. | 13799 |
61 |
| Apple Inc. | 50209 |
47 |
| FedEx Corporate Services, Inc. | 302 |
40 |
| State Farm Mutual Automobile Insurance Company | 2560 |
35 |
| Alarm.com Incorporated | 931 |
34 |
| ARC Devices Limited | 64 |
30 |
| LG Electronics Inc. | 69257 |
28 |
| Intel Corporation | 45621 |
28 |
| Carrier Corporation | 4759 |
28 |
| Caterpillar Inc. | 8877 |
25 |
| Fitbit, Inc. | 663 |
25 |
| The Boeing Company | 19843 |
24 |
| May Patents Ltd. | 124 |
23 |
| Saudi Arabian Oil Company | 11322 |
23 |
| its Co., Ltd. | 89 |
23 |
| Motorola Solutions, Inc. | 4355 |
22 |
| Schneider Electric USA, Inc. | 1192 |
20 |
| Other owners | 4279 |