- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/528 - Mechanical actuating means with crank, eccentric, or cam with pin and slot
Patent holdings for IPC class F16K 31/528
Total number of patents in this class: 236
10-year publication summary
|
20
|
25
|
14
|
25
|
21
|
22
|
14
|
14
|
10
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes de Controle Moteur | 581 |
11 |
| VAT Holding AG | 246 |
7 |
| Cameron International Corporation | 1368 |
6 |
| Continental Automotive GmbH | 4507 |
5 |
| Robert Bosch GmbH | 44128 |
4 |
| Vitesco Technologies GmbH | 2398 |
4 |
| EMD Millipore Corporation | 631 |
3 |
| Air Torque S.p.A. | 18 |
3 |
| Cactus Wellhead, LLC | 48 |
3 |
| Flühs Drehtechnik GmbH | 71 |
3 |
| Hexagon Technology AS | 133 |
3 |
| HUSCO Automotive Holdings LLC | 60 |
3 |
| NxStage Medical, Inc. | 297 |
3 |
| ECO Holding 1 GmbH | 129 |
3 |
| Hella GmbH & Co. KGaA | 1711 |
3 |
| Completion Technology, Ltd. | 4 |
3 |
| Safran AeroSystems | 298 |
3 |
| Hamilton Sundstrand Corporation | 5016 |
2 |
| Aldes Aeraulique | 22 |
2 |
| BorgWarner Inc. | 2581 |
2 |
| Other owners | 160 |