- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 25/00 - Details relating to contact between valve members and seats
Patent holdings for IPC class F16K 25/00
Total number of patents in this class: 880
10-year publication summary
|
77
|
79
|
59
|
74
|
72
|
59
|
57
|
48
|
44
|
58
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1504 |
41 |
| Cameron International Corporation | 1353 |
21 |
| Robert Bosch GmbH | 43096 |
20 |
| SPM Oil & Gas Inc. | 339 |
14 |
| Halliburton Energy Services, Inc. | 21090 |
11 |
| AYR Ltd. | 105 |
11 |
| Caldera Engineering, LC | 17 |
10 |
| Fujikin Incorporated | 695 |
10 |
| Schlumberger Technology Corporation | 11075 |
9 |
| Emerson Process Management Regulator Technologies, Inc. | 383 |
9 |
| Tosoh Bioscience LLC | 40 |
8 |
| Caterpillar Inc. | 9852 |
7 |
| Hamilton Sundstrand Corporation | 4956 |
7 |
| Dionex Softron GmbH | 120 |
7 |
| Swagelok Company | 319 |
7 |
| Waters Technologies Corporation | 1748 |
7 |
| Flowserve Pte. Ltd | 360 |
7 |
| Vitesco Technologies GmbH | 2415 |
7 |
| Becton, Dickinson and Company | 7440 |
6 |
| Applied Materials, Inc. | 19298 |
6 |
| Other owners | 655 |