- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 31/56 - Mechanical actuating means without stable intermediate position, e.g. with snap action
Patent holdings for IPC class F16K 31/56
Total number of patents in this class: 248
10-year publication summary
|
18
|
14
|
18
|
30
|
34
|
28
|
16
|
22
|
24
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Neoperl GmbH | 598 |
15 |
| Robert Bosch GmbH | 42505 |
11 |
| Emerson Process Management Regulator Technologies, Inc. | 380 |
10 |
| Imperial College Innovations Limited | 575 |
6 |
| Siemens AG | 24547 |
5 |
| Flühs Drehtechnik GmbH | 63 |
5 |
| PENTAIR Flow Technologies, LLC | 174 |
5 |
| Halliburton Energy Services, Inc. | 20769 |
4 |
| Controls International, Inc. | 4 |
4 |
| Goodrich Corporation | 2106 |
4 |
| Raytheon Company | 8388 |
3 |
| BS & B Innovation Limited | 28 |
3 |
| Cameron International Corporation | 1329 |
3 |
| Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | 1404 |
3 |
| Oxford Gas Products Limited | 4 |
3 |
| Caterpillar Inc. | 9509 |
2 |
| Aeris Technology LLC | 2 |
2 |
| Bifold FluidPower Limited | 24 |
2 |
| EADS Deutschland GmbH | 372 |
2 |
| Emcara Gas Development Inc. | 5 |
2 |
| Other owners | 154 |