Denting device for improving surface roughness of valve plate and valve plate having dent pattern
US-2017299079-A1 · Oct 19, 2017 · US
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Chi Duheyon patents
Chi Duheyon is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chi Duheyon |
| Total patents | 2 |
| First publication | Apr 14, 2016 |
| Latest publication | Oct 19, 2017 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Halla Visteon Climate Control | 2 |
| S H Technology Co Ltd | 1 |
| S H Tech Co Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F04B2201/0604 | 2 |
| F04B27/0839 | 2 |
| F05C2253/00 | 2 |
| F04B39/1066 | 2 |
| F04B27/1009 | 2 |