- All sections
- G - Physics
- G08B - Signalling or calling systemsorder telegraphsalarm systems
- G08B 21/00 - Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
Patent holdings for IPC class G08B 21/00
Total number of patents in this class: 4512
10-year publication summary
380
|
389
|
300
|
230
|
231
|
184
|
153
|
130
|
92
|
36
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Honeywell International Inc. | 13525 |
76 |
The Boeing Company | 20042 |
74 |
Ford Global Technologies, LLC | 20520 |
46 |
Google LLC | 42038 |
46 |
Denso Corporation | 24230 |
41 |
Eaton Intelligent Power Limited | 5979 |
38 |
GM Global Technology Operations LLC | 14968 |
36 |
Robert Bosch GmbH | 42632 |
33 |
Apple Inc. | 54658 |
32 |
International Business Machines Corporation | 61207 |
31 |
Rockwell Automation Technologies, Inc. | 2716 |
24 |
Rockwell Collins, Inc. | 2494 |
24 |
Honda Motor Co., Ltd. | 25174 |
23 |
NEC Corporation | 35521 |
23 |
Malikie Innovations Limited | 7163 |
23 |
Samsung Electronics Co., Ltd. | 145416 |
21 |
Sony Corporation | 31093 |
21 |
Toyota Motor Corporation | 31819 |
21 |
State Farm Mutual Automobile Insurance Company | 3094 |
21 |
Panasonic Intellectual Property Management Co., Ltd. | 31221 |
20 |
Other owners | 3838 |