Inventor
Song Huang
Inventor
Henan, CN
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Fprimary
B01FMixing, e.g. dissolving, emulsifying or dispersing50%
E21BEarth or rock drilling50%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to SMITH INTERNATIONAL (1)· patent assignee history
2002Based in The Woodlands, TX, US· patent location history
2021Patents assigned to ZHENGZHOU SANHUA TECH & INDUSTRY CO LTD (1)· patent assignee history
2021Based in Henan, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMITH INTERNATIONAL | 1 | 2002 |
| ZHENGZHOU SANHUA TECH & INDUSTRY CO LTD | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Henan, CN | 1 | 2021 |
| The Woodlands, Texas, US | 1 | 2002 |