- All sections
- G - Physics
- G05D - Systems for controlling or regulating non-electric variables
- G05D 23/12 - Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
Patent holdings for IPC class G05D 23/12
Total number of patents in this class: 140
10-year publication summary
|
13
|
9
|
10
|
5
|
6
|
2
|
2
|
6
|
0
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| C Change Surgical LLC | 26 |
8 |
| Ademco Inc. | 1374 |
7 |
| Google LLC | 38759 |
6 |
| Carrier Corporation | 4759 |
5 |
| Honeywell International Inc. | 13799 |
4 |
| Toyota Motor Corporation | 28582 |
3 |
| Grundfos Pumps Corporation | 16 |
3 |
| Microtek Medical, Inc. | 111 |
3 |
| Rostra Vernatherm, LLC | 15 |
3 |
| Danfoss A/S | 1259 |
3 |
| Everactive, Inc. | 35 |
3 |
| Ember Technologies, Inc. | 125 |
2 |
| Fujikoki Corporation | 330 |
2 |
| Kohler Mira Limited | 280 |
2 |
| National Presto Industries, Inc. | 202 |
2 |
| Nippon Thermostat Co., Ltd. | 158 |
2 |
| Ranco Incorporated of Delaware | 47 |
2 |
| Robertshaw Controls Company | 127 |
2 |
| Rolls-Royce Corporation | 1686 |
2 |
| Frese A/S | 18 |
2 |
| Other owners | 74 |