Four-directional drilling machine
US-10286457-B2 · May 14, 2019 · US
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Ding Bicheng patents
Ding Bicheng is listed as an inventor on 3 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ding Bicheng |
| Total patents | 3 |
| First publication | Nov 22, 2018 |
| Latest publication | May 14, 2019 |
Notable patents
Publications ranked by popularity score, then publication date.
Automatic hub forging die lubricant cleaning device
US-2019060942-A1 · Feb 28, 2019 · US
Four-directional drilling machine
US-2018333788-A1 · Nov 22, 2018 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Citic Dicastal Co Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B23B2270/16 | 2 |
| B23B41/12 | 2 |
| B23B2270/58 | 2 |
| B23B39/16 | 2 |
| B21B45/0245 | 1 |