- 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: 133
10-year publication summary
|
14
|
22
|
7
|
13
|
6
|
12
|
8
|
12
|
4
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cameron International Corporation | 1368 |
5 |
| Hi-kalibre Equipment Limited | 9 |
4 |
| Hurst, William E. | 4 |
4 |
| Hamilton Sundstrand Corporation | 5016 |
3 |
| Safe-Crossings, L.L.C. | 7 |
3 |
| VAT Holding AG | 246 |
3 |
| Eaton Intelligent Power Limited | 6236 |
3 |
| Vitesco Technologies GmbH | 2398 |
3 |
| Robert Bosch GmbH | 44128 |
2 |
| Continental Automotive GmbH | 4507 |
2 |
| AS America, Inc. | 1040 |
2 |
| Beijing Aerospace Propulsion Institute | 18 |
2 |
| Bray International, Inc. | 148 |
2 |
| Bucher Hydraulics GmbH | 12 |
2 |
| Fisher Controls International LLC | 1460 |
2 |
| GEA Procomac S.p.A. | 76 |
2 |
| Goglio S.p.A. | 50 |
2 |
| Kitz SCT Corporation | 47 |
2 |
| Korea Aerospace Research Institute | 326 |
2 |
| Mokveld Valves B.V. | 15 |
2 |
| Other owners | 81 |