- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/316 - Guiding of the slide
Patent holdings for IPC class F16K 3/316
Total number of patents in this class: 148
10-year publication summary
|
13
|
13
|
14
|
8
|
11
|
14
|
21
|
12
|
10
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mueller International, LLC | 727 |
14 |
| VAT Holding AG | 232 |
14 |
| Fisher Controls International LLC | 1504 |
4 |
| Cameron International Corporation | 1353 |
3 |
| CKD Corporation | 457 |
3 |
| Flowserve Management Company | 198 |
3 |
| King Lai Hygienic Materials Co., Ltd | 23 |
3 |
| Kubota Corporation | 4050 |
3 |
| Pipe Transformations Ltd | 8 |
3 |
| Baker Hughes Oilfield Operations, LLC | 2390 |
3 |
| Sistag AG | 5 |
3 |
| Uop LLC | 4259 |
2 |
| Blac Inc | 10 |
2 |
| ETO Magnetic GmbH | 280 |
2 |
| Kennedy Valve Company | 38 |
2 |
| Presys Co., Ltd. | 13 |
2 |
| Typhonix AS | 16 |
2 |
| UBS AG, Stamford Branch | 78 |
2 |
| Waterworks Technology Development Organization Co., Ltd. | 40 |
2 |
| z & J Technologies GmbH | 30 |
2 |
| Other owners | 74 |