- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 21/22 - Status alarms responsive to presence or absence of persons
Patent holdings for IPC class G08B 21/22
Total number of patents in this class: 1118
10-year publication summary
|
99
|
110
|
131
|
171
|
143
|
117
|
115
|
96
|
80
|
63
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| BI Incorporated | 126 |
26 |
| Stryker Corporation | 5110 |
22 |
| Vivint, Inc. | 487 |
18 |
| NEC Corporation | 36108 |
17 |
| Hill-Rom Services, Inc. | 1120 |
17 |
| Attenti Electronic Monitoring Ltd. | 42 |
14 |
| Umano Medical Inc. | 67 |
12 |
| Parasol Medical LLC | 63 |
11 |
| Honeywell International Inc. | 13561 |
10 |
| Robert Bosch GmbH | 42815 |
10 |
| Global Tel*Link Corporation | 428 |
10 |
| Ford Global Technologies, LLC | 20723 |
9 |
| Mitsubishi Electric Corporation | 46547 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
9 |
| State Farm Mutual Automobile Insurance Company | 3151 |
9 |
| Rakuten Group, Inc. | 1640 |
9 |
| International Business Machines Corporation | 61537 |
8 |
| Amazon Technologies, Inc. | 27003 |
8 |
| GOJO Industries, Inc. | 884 |
8 |
| Google LLC | 42628 |
8 |
| Other owners | 874 |