- 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: 130
10-year publication summary
|
13
|
10
|
9
|
9
|
10
|
7
|
14
|
7
|
9
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cameron International Corporation | 1366 |
5 |
| Emerson Process Management Regulator Technologies, Inc. | 391 |
5 |
| Fisher Controls International LLC | 1420 |
5 |
| Griswold Controls, LLC | 27 |
5 |
| Pratt & Whitney Canada Corp. | 5638 |
3 |
| Dayco IP Holdings, LLC | 276 |
3 |
| GEA Mechanical Equipment Italia S.p.A. | 85 |
3 |
| z & J Technologies GmbH | 32 |
3 |
| Binder GmbH | 68 |
2 |
| Essex Industries, Inc. | 24 |
2 |
| Flowcon International ApS | 7 |
2 |
| Goodrich Corporation | 2181 |
2 |
| IHI Corporation | 3555 |
2 |
| Master Flo Valve Inc. | 39 |
2 |
| NCS Multistage Inc. | 173 |
2 |
| NCS Multistage, LLC | 72 |
2 |
| Parker-Hannifin Corporation | 1044 |
2 |
| Siemens Schweiz AG | 629 |
2 |
| Third Coast Bank SSB | 9 |
2 |
| VAT Holding AG | 249 |
2 |
| Other owners | 74 |