- Holder / contributor
- Jiangsu Southeast Special Engineering & Technology Co., Ltd.
- Certificate / standard / patent reference
- ZL202010366519.7
- Issued / published
- 2024-05-28
- Record type
- Invention patent
- Status
- Historical grant record
Invention patent: Flow-Sand Unloading Device and Method for Controlled Settlement During Pile-Cutting Rectification of Existing Building Foundations.
Patent holder / applicant: Jiangsu Southeast Special Engineering & Technology Co., Ltd.
Patent reference: ZL202010366519.7.
Application date: 2020-04-30; grant publication date: 2024-05-28.
This page presents a historical patent grant record. Current validity and subsequent changes are subject to the patent register.