Polycrystalline diamond compact cutter with improved geometry for cooling and cutting evacuation and efficiency
US-2020181985-A1 · Jun 11, 2020 · US
This page is not indexed by search engines while we improve data quality.
Chen Demin patents
Chen Demin is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chen Demin |
| Total patents | 4 |
| First publication | Mar 2, 2017 |
| Latest publication | Jun 11, 2020 |
Notable patents
Publications ranked by popularity score, then publication date.
Convex ridge type non-planar cutting tooth and diamond drill bit
US-10563464-B2 · Feb 18, 2020 · US
Convex ridge type non-planar cutting tooth and diamond drill bit
US-10125552-B2 · Nov 13, 2018 · US
Convex ridge type non-planar cutting tooth and diamond drill bit
US-2017058615-A1 · Mar 2, 2017 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Cnpc Usa Corp | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B10/5673 | 4 |
| E21B10/42 | 2 |
| E21B10/55 | 2 |
| E21B10/60 | 1 |
| E21B10/567 | 1 |