- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 41/16 - Spindle sealings with a flange on the spindle which rests on a sealing ring
Patent holdings for IPC class F16K 41/16
Total number of patents in this class: 22
10-year publication summary
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1
|
2
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3
|
1
|
1
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0
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4
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4
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2
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1457 |
3 |
| Hamilton Sundstrand Corporation | 5015 |
2 |
| General Fusion Inc. | 81 |
2 |
| Baker Hughes Pressure Control LP | 10 |
2 |
| Baker Hughes Pressure Control LLC | 30 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
1 |
| Belimo Holding AG | 290 |
1 |
| Dana Canada Corporation | 268 |
1 |
| Dresser, Inc. | 96 |
1 |
| GE Oil & Gas Pressure Control LP | 71 |
1 |
| KX Technologies LLC | 149 |
1 |
| Nibco Inc. | 238 |
1 |
| Palamar Industries Inc. | 10 |
1 |
| Pierburg GmbH | 480 |
1 |
| Technetics Group France SAS | 31 |
1 |
| Avidity Science, LLC | 15 |
1 |
| Other owners | 0 |