- 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: 1180
10-year publication summary
|
113
|
123
|
105
|
115
|
89
|
105
|
86
|
88
|
82
|
52
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VAT Holding AG | 246 |
59 |
| Cameron International Corporation | 1370 |
29 |
| SRI Energy Inc. | 44 |
19 |
| FMC Technologies, Inc. | 616 |
18 |
| Mueller International, LLC | 744 |
16 |
| Emerson Vulcan Holding LLC | 128 |
15 |
| Bestway Oilfield, Inc. | 47 |
15 |
| Applied Materials, Inc. | 20375 |
13 |
| Dayco IP Holdings, LLC | 276 |
13 |
| Deltavalve, LLC | 61 |
13 |
| SMC Corporation | 1388 |
13 |
| z & J Technologies GmbH | 32 |
12 |
| DeZURIK, Inc. | 57 |
11 |
| Kennedy Valve Company | 38 |
10 |
| Oil States Energy Services, L.L.C. | 74 |
10 |
| Baker Hughes Oilfield Operations, LLC | 2527 |
10 |
| GE Oil & Gas Pressure Control LP | 71 |
9 |
| Halliburton Energy Services, Inc. | 21338 |
8 |
| Robert Bosch GmbH | 44160 |
8 |
| Worldwide Oilfield Machine, Inc. | 54 |
8 |
| Other owners | 871 |