- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 3/32 - Means for additional adjustment of the rate of flow
Patent holdings for IPC class F16K 3/32
Total number of patents in this class: 118
10-year publication summary
|
13
|
13
|
10
|
9
|
9
|
10
|
7
|
13
|
6
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cameron International Corporation | 1325 |
5 |
| Emerson Process Management Regulator Technologies, Inc. | 378 |
5 |
| Griswold Controls, LLC | 27 |
5 |
| Fisher Controls International LLC | 1516 |
4 |
| Dayco IP Holdings, LLC | 390 |
3 |
| GEA Mechanical Equipment Italia S.p.A. | 60 |
3 |
| Pratt & Whitney Canada Corp. | 4451 |
2 |
| Binder GmbH | 53 |
2 |
| Control Components, Inc. | 83 |
2 |
| Essex Industries, Inc. | 24 |
2 |
| Flowcon International ApS | 5 |
2 |
| Goodrich Corporation | 2093 |
2 |
| IHI Corporation | 3367 |
2 |
| Master Flo Valve Inc. | 42 |
2 |
| NCS Multistage Inc. | 179 |
2 |
| NCS Multistage, LLC | 76 |
2 |
| Parker-Hannifin Corporation | 1025 |
2 |
| VAT Holding AG | 212 |
2 |
| z & J Technologies GmbH | 30 |
2 |
| Origin Medical Devices Inc. | 9 |
2 |
| Other owners | 65 |