- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/02 - Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing facesPackings therefor
Patent holdings for IPC class F16K 3/02
Total number of patents in this class: 1062
10-year publication summary
|
115
|
113
|
123
|
105
|
115
|
89
|
104
|
83
|
74
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VAT Holding AG | 214 |
56 |
| Cameron International Corporation | 1324 |
25 |
| Mueller International, LLC | 707 |
16 |
| SRI Energy Inc. | 31 |
16 |
| Emerson Vulcan Holding LLC | 131 |
15 |
| Dayco IP Holdings, LLC | 290 |
13 |
| FMC Technologies, Inc. | 589 |
13 |
| z & J Technologies GmbH | 30 |
13 |
| Deltavalve, LLC | 52 |
12 |
| SMC Corporation | 1365 |
12 |
| Applied Materials, Inc. | 18082 |
11 |
| DeZURIK, Inc. | 45 |
11 |
| Kennedy Valve Company | 49 |
11 |
| GE Oil & Gas Pressure Control LP | 75 |
10 |
| Oil States Energy Services, L.L.C. | 76 |
8 |
| Worldwide Oilfield Machine, Inc. | 51 |
8 |
| Halliburton Energy Services, Inc. | 20532 |
7 |
| Robert Bosch GmbH | 42012 |
7 |
| Baker Hughes Oilfield Operations, LLC | 2170 |
7 |
| Emerson Automation Solutions Final Control US LP | 39 |
7 |
| Other owners | 784 |