Device sealed with magnetic liquid
US-12565931-B2 · Mar 3, 2026 · US
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Li Decai patents
Li Decai is listed as an inventor on 41 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Decai |
| Total patents | 41 |
| First publication | Sep 3, 2020 |
| Latest publication | Mar 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Device sealed with magnetic liquid
US-12444527-B2 · Oct 14, 2025 · US
Self-cooling device sealed with magnetic liquid
US-12287035-B2 · Apr 29, 2025 · US
Anti-nuclear radiation magnetic fluid sealing device
US-2025104881-A1 · Mar 27, 2025 · US
Device sealed with magnetic liquid
US-2024141998-A1 · May 2, 2024 · US
Device sealed with magnetic liquid
US-2024145144-A1 · May 2, 2024 · US
Self-cooling device sealed with magnetic liquid
US-2024141999-A1 · May 2, 2024 · US
Low-temperature resistant perfluoropolyether-based magnetic liquid and preparation method thereof
US-11869694-B1 · Jan 9, 2024 · US
Low-temperature resistant perfluoropolyether-based magnetic liquid and preparation method thereof
US-2024006104-A1 · Jan 4, 2024 · US
Magnetic liquid sealing device resistible to axial and radial vibration
US-11616412-B2 · Mar 28, 2023 · US
Recent patents
Latest publications not already listed above.
Magnetic liquid sealing device resistible to axial and radial vibration
US-2023030538-A1 · Feb 2, 2023 · US
Magnetic liquid sealing device
US-11525514-B2 · Dec 13, 2022 · US
Magnetic liquid sealing device
US-11466780-B2 · Oct 11, 2022 · US
Magnetic fluid sealing device for oscillating shaft
US-11421786-B2 · Aug 23, 2022 · US
Magnetic fluid sealing device for sealing fluid medium
US-11415226-B1 · Aug 16, 2022 · US
Magnetic fluid sealing device
US-11408512-B2 · Aug 9, 2022 · US
Magnetic liquid sealing device
US-2022221061-A1 · Jul 14, 2022 · US
Magnetic liquid sealing device
US-2022205542-A1 · Jun 30, 2022 · US
Magnetic fluid sealing device
US-2022205544-A1 · Jun 30, 2022 · US
Magnetic fluid sealing device for oscillating shaft
US-2022205543-A1 · Jun 30, 2022 · US
Magnetic liquid damping shock absorber
US-11365779-B2 · Jun 21, 2022 · US
Chain unit sealed and lubricated with magnetic fluid and chain having same
US-11353088-B2 · Jun 7, 2022 · US
Magnetic liquid damping shock absorber
US-2022128111-A1 · Apr 28, 2022 · US
Chain unit sealed and lubricated with magnetic fluid and chain having same
US-2022128123-A1 · Apr 28, 2022 · US
Magnetic fluid damper
US-11306795-B1 · Apr 19, 2022 · US
Capillary magnetic-liquid sealing device
US-11300211-B2 · Apr 12, 2022 · US
Detection system and method for distribution state of magnetic fluid in sealing gap
US-11287394-B1 · Mar 29, 2022 · US
Capillary magnetic-liquid sealing device
US-2022074499-A1 · Mar 10, 2022 · US
Combined sealing device with magnetic fluid
US-11261972-B1 · Mar 1, 2022 · US
Magnetic liquid sealing device adapted to axial and radial displacements of connection
US-11215286-B2 · Jan 4, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Tsinghua | 41 |
| Univ Beijing Jiaotong | 9 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F16J15/43 | 29 |
| F16C33/765 | 9 |
| H01F1/44 | 6 |
| F16J15/40 | 5 |
| F16J15/162 | 5 |