- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/164 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side and remaining closed after return of the normal pressure
Patent holdings for IPC class F16K 17/164
Total number of patents in this class: 108
10-year publication summary
|
8
|
13
|
4
|
10
|
11
|
8
|
8
|
9
|
7
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Emerson Process Management Regulator Technologies, Inc. | 391 |
7 |
| Illinois Tool Works Inc. | 11863 |
3 |
| Fisher Controls International LLC | 1434 |
3 |
| MANN+HUMMEL GmbH | 1812 |
3 |
| Nederman Holding AB | 12 |
3 |
| Toppan Packaging Americas Holdings, Inc. | 220 |
3 |
| Murata Manufacturing Co., Ltd. | 25847 |
2 |
| Contemporary Amperex Technology Co., Limited | 10270 |
2 |
| Red Valve Company, Inc. | 31 |
2 |
| Wamgroup S.p.A. | 98 |
2 |
| Parker Hannifin EMEA S.à.r.l. | 98 |
2 |
| Shanghai Jtr Automotive Component Co., Ltd. | 4 |
2 |
| Schlumberger Technology Corporation | 11893 |
1 |
| Halliburton Energy Services, Inc. | 21296 |
1 |
| Siemens AG | 23983 |
1 |
| The Boeing Company | 20196 |
1 |
| Pratt & Whitney Canada Corp. | 5523 |
1 |
| Hyundai Motor Company | 24852 |
1 |
| Rolls-Royce PLC | 3222 |
1 |
| JTEKT Corporation | 2607 |
1 |
| Other owners | 66 |