- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 43/00 - Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure meansDevices for temporary replacement of parts of valves for the same purpose
Patent holdings for IPC class F16K 43/00
Total number of patents in this class: 222
10-year publication summary
|
16
|
17
|
27
|
11
|
22
|
15
|
11
|
5
|
13
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Forge Tech, Inc. | 19 |
12 |
| Waterworks Technology Development Organization Co., Ltd. | 40 |
7 |
| Mueller International, LLC | 722 |
6 |
| PSI Pressure Systems LLC | 10 |
6 |
| Zurn Water, LLC | 243 |
5 |
| Cosmo Koki Co., Ltd. | 20 |
4 |
| Fujikin Incorporated | 690 |
4 |
| Nibco Inc. | 232 |
4 |
| The Toro Company | 967 |
4 |
| Robert Bosch GmbH | 42784 |
3 |
| Fieldpiece Instruments, Inc. | 65 |
3 |
| Husqvarna AB | 2924 |
3 |
| Hydra-stop LLC | 27 |
3 |
| Kings Energy Services Ltd. | 4 |
3 |
| SDB IP Holdings, LLC | 126 |
3 |
| Halliburton Energy Services, Inc. | 20937 |
2 |
| AS America, Inc. | 1042 |
2 |
| Cameron International Corporation | 1339 |
2 |
| Emerson Process Management Power & Water Solutions, Inc. | 119 |
2 |
| Globe Union Industrial Corp. | 310 |
2 |
| Other owners | 142 |