Drilling device for reinforced concrete bored pile
US-12392104-B2 · Aug 19, 2025 · US
This page is not indexed by search engines while we improve data quality.
Guo Longde patents
Guo Longde is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Guo Longde |
| Total patents | 2 |
| First publication | Mar 27, 2025 |
| Latest publication | Aug 19, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Drilling device for reinforced concrete bored pile
US-2025101700-A1 · Mar 27, 2025 · 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 |
|---|---|
| Univ Shandong | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.