- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 17/168 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
Patent holdings for IPC class F16K 17/168
Total number of patents in this class: 84
10-year publication summary
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7
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8
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9
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8
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9
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10
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4
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3
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3
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3
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cameron International Corporation | 1342 |
3 |
| Dukes Aerospace, Inc. | 11 |
3 |
| FMC Technologies, Inc. | 609 |
3 |
| Parker-Hannifin Corporation | 1043 |
3 |
| Saudi Arabian Oil Company | 13372 |
3 |
| Tech Energy Products, L.L.C. | 17 |
3 |
| The E3 Company LLC | 11 |
3 |
| Ogon Contracting Pty Ltd. | 4 |
3 |
| The Boeing Company | 20124 |
2 |
| Hypertherm, Inc. | 638 |
2 |
| Intex Marketing Ltd. | 233 |
2 |
| KENDRION (Villingen) GmbH | 78 |
2 |
| Milwaukee Electric Tool Corporation | 4472 |
2 |
| Reliance Worldwide Corporation (Aust.) Pty. Ltd. | 86 |
2 |
| Spectron Gas Control Systems GmbH | 9 |
2 |
| Reliance Worldwide Corporation (UK) Limited | 36 |
2 |
| Hyundai Motor Company | 22315 |
1 |
| Kia Motors Corporation | 7751 |
1 |
| Eveready Battery Company, Inc. | 215 |
1 |
| Active Tools International (HK) Ltd. | 39 |
1 |
| Other owners | 40 |