- 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: 857
10-year publication summary
|
81
|
79
|
63
|
80
|
79
|
65
|
62
|
51
|
44
|
34
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1485 |
38 |
| Cameron International Corporation | 1329 |
21 |
| Robert Bosch GmbH | 42450 |
20 |
| SPM Oil & Gas Inc. | 323 |
14 |
| Halliburton Energy Services, Inc. | 20749 |
11 |
| AYR Ltd. | 102 |
11 |
| Caldera Engineering, LC | 17 |
10 |
| Fujikin Incorporated | 694 |
10 |
| Schlumberger Technology Corporation | 10627 |
8 |
| Emerson Process Management Regulator Technologies, Inc. | 380 |
8 |
| Tosoh Bioscience LLC | 40 |
8 |
| Applied Materials, Inc. | 18406 |
7 |
| Hamilton Sundstrand Corporation | 4832 |
7 |
| Dionex Softron GmbH | 117 |
7 |
| Swagelok Company | 319 |
7 |
| Waters Technologies Corporation | 1690 |
7 |
| Flowserve Pte. Ltd | 320 |
7 |
| Vitesco Technologies GmbH | 2598 |
7 |
| Becton, Dickinson and Company | 7226 |
6 |
| Caterpillar Inc. | 9472 |
6 |
| Other owners | 637 |