- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 25/04 - Arrangements for preventing erosion, not otherwise provided for
Patent holdings for IPC class F16K 25/04
Total number of patents in this class: 144
10-year publication summary
|
15
|
13
|
16
|
16
|
4
|
13
|
10
|
13
|
8
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1484 |
9 |
| Cameron International Corporation | 1368 |
7 |
| Robert Bosch GmbH | 43631 |
5 |
| Caldera Engineering, LC | 21 |
5 |
| Dresser LLC | 290 |
4 |
| Bayard SAS | 3 |
3 |
| IMI Vision Limited | 17 |
3 |
| Master Flo Valve Inc. | 39 |
3 |
| S.P.M. Flow Control, Inc. | 99 |
3 |
| Waters Technologies Corporation | 1778 |
3 |
| Cameron Technologies Limited | 228 |
3 |
| Schlumberger Technology Corporation | 11485 |
2 |
| Schlumberger Canada Limited | 7558 |
2 |
| Nissan Motor Co., Ltd. | 12778 |
2 |
| Caterpillar Inc. | 10151 |
2 |
| Weatherford Technology Holdings, LLC | 2068 |
2 |
| Emerson Process Management (Tianjin) Valve Co., Ltd | 12 |
2 |
| Emerson Process Management (Tianjin) Valves Co., Ltd | 11 |
2 |
| Flowserve Management Company | 194 |
2 |
| FMC Technologies, Inc. | 606 |
2 |
| Other owners | 78 |