- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/54 - Mechanical actuating means with toothed gearing with pinion and rack
Patent holdings for IPC class F16K 31/54
Total number of patents in this class: 127
10-year publication summary
|
15
|
14
|
22
|
7
|
13
|
6
|
12
|
8
|
11
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cameron International Corporation | 1323 |
5 |
| Hurst, William E. | 4 |
4 |
| Hamilton Sundstrand Corporation | 4823 |
3 |
| VAT Holding AG | 217 |
3 |
| Eaton Intelligent Power Limited | 5912 |
3 |
| Vitesco Technologies GmbH | 2592 |
3 |
| Robert Bosch GmbH | 42296 |
2 |
| Continental Automotive GmbH | 5026 |
2 |
| AS America, Inc. | 1081 |
2 |
| Beijing Aerospace Propulsion Institute | 16 |
2 |
| Bray International, Inc. | 135 |
2 |
| Bucher Hydraulics GmbH | 11 |
2 |
| Fisher Controls International LLC | 1476 |
2 |
| GEA Procomac S.p.A. | 68 |
2 |
| Goglio S.p.A. | 50 |
2 |
| Hi-kalibre Equipment Limited | 7 |
2 |
| Kitz SCT Corporation | 43 |
2 |
| Korea Aerospace Research Institute | 315 |
2 |
| Mokveld Valves B.V. | 16 |
2 |
| Nidec Sankyo Corporation | 1086 |
2 |
| Other owners | 78 |