- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16K - Valvestapscocksactuating-floatsdevices for venting or aerating
- F16K 41/06 - Spindle sealings with stuffing-box with at least one ring attached to both spindle and housing
Patent holdings for IPC class F16K 41/06
Total number of patents in this class: 28
10-year publication summary
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0
|
2
|
1
|
2
|
6
|
1
|
3
|
2
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fisher Controls International LLC | 1425 |
4 |
| Baoyi Group Co., Ltd. | 7 |
2 |
| Cameron International Corporation | 1367 |
2 |
| Fujikin Incorporated | 708 |
2 |
| Koganei Corporation | 209 |
2 |
| Denso Corporation | 25799 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2149 |
1 |
| Flow International Corporation | 165 |
1 |
| HK Valve Co., Ltd | 3 |
1 |
| Otto Egelhof GmbH & Co. KG | 47 |
1 |
| Sensus Spectrum LLC | 275 |
1 |
| Taprite-fassco Mfg., Inc. | 1 |
1 |
| Tatsumi Corporation | 75 |
1 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 734 |
1 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 337 |
1 |
| Zhejiang Yinlun Machinery Co., Ltd. | 71 |
1 |
| Allfi AG | 4 |
1 |
| Crane Chempharma & Energy Corp. | 63 |
1 |
| Clark-Reliance LLC | 35 |
1 |
| Taprite Micro Matic, Inc. | 65 |
1 |
| Other owners | 1 |