- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16K - Valves; taps; cocks; actuating-floats; devices for venting or aerating
- F16K 27/12 - Covers for housings
Patent holdings for IPC class F16K 27/12
Total number of patents in this class: 249
10-year publication summary
|
20
|
25
|
18
|
25
|
27
|
34
|
33
|
38
|
27
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watts Regulator Co. | 296 |
9 |
| SMC Corporation | 1359 |
6 |
| Fisher Controls International LLC | 1515 |
4 |
| Husqvarna AB | 2883 |
4 |
| Hyperkinetics Corporation | 13 |
4 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 199 |
4 |
| Alcon, Inc. | 5183 |
3 |
| Buerkert Werke GmbH | 91 |
3 |
| Fujikoki Corporation | 364 |
3 |
| Xomox Corporation | 8 |
3 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 491 |
3 |
| Dresser LLC | 250 |
3 |
| Sartorius Stedim Systems GmbH | 5 |
3 |
| Toyota Motor Corporation | 30455 |
2 |
| Kohler Co. | 3935 |
2 |
| Caterpillar Inc. | 9166 |
2 |
| Hyundai Motor Company | 20483 |
2 |
| Hamilton Sundstrand Corporation | 4728 |
2 |
| JTEKT Corporation | 2443 |
2 |
| ASM IP Holding B.V. | 1886 |
2 |
| Other owners | 183 |