Electrostatic nozzle and controllable jet minimal quantity lubrication grinding system
US-12551908-B2 · Feb 17, 2026 · US
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Li Changhe patents
Li Changhe is listed as an inventor on 142 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Changhe |
| Total patents | 142 |
| First publication | May 23, 2019 |
| Latest publication | Feb 17, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
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Recent patents
Latest publications not already listed above.
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Seed production apparatus and method based on multistage screening and bud eye identification
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Method for filling carbide blades in cutter head
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Equipment for self-positioning handling of aluminum profiles for rail vehicle
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Intelligent separation method for peanut kernel and red coat
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Process system of follower fixture for tank moving support and automatic processing production line thereof
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System for adjusting and controlling temperature of intelligent new energy farmhouse integrated with tunnel wind and solar energy
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Carbide blade cutter head filling device and method
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Peanut whole-process production line and method
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Qingdao Technology | 140 |
| Ningbo Sanhan Alloy Mat Co Ltd | 24 |
| Shanghai Jinzhao Energy Saving Tech Co Ltd | 18 |
| Univ Chongqing | 13 |
| Qingdao Jimo Qingli Intelligent Manufacturing Industry Res Institute | 11 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02P70/10 | 34 |
| B23Q11/10 | 27 |
| B23Q11/1046 | 27 |
| B23Q11/1076 | 17 |
| B23Q3/082 | 15 |