- 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: 1139
10-year publication summary
|
106
|
114
|
95
|
111
|
82
|
93
|
80
|
79
|
70
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| VAT Holding AG | 236 |
59 |
| Cameron International Corporation | 1357 |
26 |
| SRI Energy Inc. | 42 |
19 |
| FMC Technologies, Inc. | 602 |
16 |
| Mueller International, LLC | 732 |
16 |
| Emerson Vulcan Holding LLC | 127 |
15 |
| Dayco IP Holdings, LLC | 277 |
13 |
| Deltavalve, LLC | 60 |
13 |
| Applied Materials, Inc. | 19802 |
12 |
| SMC Corporation | 1375 |
12 |
| DeZURIK, Inc. | 47 |
11 |
| z & J Technologies GmbH | 31 |
11 |
| Kennedy Valve Company | 38 |
10 |
| Oil States Energy Services, L.L.C. | 77 |
10 |
| Bestway Oilfield, Inc. | 41 |
10 |
| GE Oil & Gas Pressure Control LP | 73 |
9 |
| Halliburton Energy Services, Inc. | 21125 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2421 |
8 |
| Kinetic Pressure Control Limited | 89 |
8 |
| Robert Bosch GmbH | 43365 |
7 |
| Other owners | 846 |