- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices 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: 266
10-year publication summary
|
25
|
17
|
25
|
23
|
33
|
32
|
39
|
27
|
17
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watts Regulator Co. | 320 |
9 |
| SMC Corporation | 1378 |
7 |
| Fisher Controls International LLC | 1496 |
4 |
| Fujikin Incorporated | 695 |
4 |
| Husqvarna AB | 2977 |
4 |
| Hyperkinetics Corporation | 11 |
4 |
| Zhejiang Sanhua Intelligent Controls Co., Ltd. | 217 |
4 |
| Dresser LLC | 285 |
4 |
| Alcon, Inc. | 5663 |
3 |
| Buerkert Werke GmbH | 85 |
3 |
| Fujikoki Corporation | 403 |
3 |
| Xomox Corporation | 6 |
3 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 631 |
3 |
| Sartorius Stedim Systems GmbH | 6 |
3 |
| Illinois Tool Works Inc. | 11712 |
2 |
| Toyota Motor Corporation | 34274 |
2 |
| Kohler Co. | 4127 |
2 |
| Caterpillar Inc. | 10051 |
2 |
| Hamilton Sundstrand Corporation | 5013 |
2 |
| JTEKT Corporation | 2555 |
2 |
| Other owners | 196 |