- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/42 - Operating meansReleasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
Patent holdings for IPC class F16K 31/42
Total number of patents in this class: 329
10-year publication summary
|
35
|
35
|
28
|
36
|
23
|
27
|
22
|
27
|
18
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5013 |
13 |
| Fisher Controls International LLC | 1421 |
13 |
| Robert Bosch GmbH | 44398 |
10 |
| KYB Corporation | 1441 |
9 |
| ETO Magnetic GmbH | 278 |
8 |
| Goodrich Corporation | 2182 |
8 |
| HYDAC Fluidtechnik GmbH | 139 |
8 |
| Samson Aktiengesellschaft | 276 |
7 |
| Kawasaki Heavy Industries, Limited | 1709 |
6 |
| SMC Corporation | 1403 |
6 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3308 |
6 |
| CKD Corporation | 474 |
5 |
| Festo AG & Co. KG | 274 |
5 |
| Darling Ingredients Inc. | 40 |
4 |
| Swagelok Company | 316 |
4 |
| Tyco Fire Products LP | 891 |
4 |
| Honeywell International Inc. | 12767 |
3 |
| Emerson Process Management Valve Automation, Inc. | 58 |
3 |
| HOERBIGER Automatisierungstechnik Holding GmbH | 41 |
3 |
| Kaneko Sangyo Co., Ltd. | 35 |
3 |
| Other owners | 201 |