Patent Assignment Abstract of Title
NOTE:Results display only for issued patents and published applications.
For pending or abandoned applications please consult USPTO staff.
|
Total Assignments:
3
|
|
Patent #:
|
|
Issue Dt:
|
05/05/2020
|
Application #:
|
15744129
|
Filing Dt:
|
01/12/2018
|
|
Publication #:
|
|
Pub Dt:
|
07/19/2018
| | | | |
|
Inventors:
|
Binggui XU, Hongwei Yin, Huijuan Guo, Zhitong Liu, Mingjie LV, Jianli Wang, Qiang Li et al
|
|
Title:
|
MECHANICAL AND HYDRAULIC DUAL-EFFECT EXPANSION DEVICE FOR WELL DRILLING WITH EXPANDABLE TUBULAR TECHNOLOGY
|
|
|
Assignment:
1
|
|
|
|
|
|
|
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
|
|
|
| NO.1 BUILDING, NO.5 COURTYARD, |
| HUANGHE STREET, CHANGPING DISTRICT, |
| BEIJING, CHINA 102206 |
|
|
|
|
| MICHAEL BEST & FRIEDRICH LLP (MKE) |
| 100 E WISCONSIN AVENUE |
| MILWAUKEE, WI 53202 |
|
|
|
Assignment:
2
|
|
|
|
|
|
|
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
|
|
|
| 9 DONGZHIMEN NORTH STREET, DONGCHENG DISTRICT |
| BEIJING, CHINA |
|
|
|
| A34 PLOTS, CHINA PETROLEUM INNOVATION BASE, XISHATUN BRIDGE WEST, SHAHE TOWN, CHANGPING DISTRICT |
| BEIJING, CHINA 102206 |
|
|
|
|
| MICHAEL BEST & FRIEDRICH LLP (MKE) |
| 100 E WISCONSIN AVENUE |
| SUITE 3300 |
| MILWAUKEE, WI 53202 |
|
|
|
Assignment:
3
|
|
|
|
|
|
|
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
|
|
|
|
|
|
|
|
|
| NO.1 BUILDING, NO.5 COURTYARD, |
| HUANGHE STREET, CHANGPING DISTRICT, |
| BEIJING, CHINA 102206 |
|
|
|
|
| MICHAEL BEST & FRIEDRICH LLP (MKE) |
| 100 EAST WISCONSIN AVENUE |
| SUITE 3300 |
| MILWAUKEE, WI 53202 |
|
|
Search Results as of:
04/27/2024 01:26 PM
If you have any comments or questions concerning the data displayed,
contact
PRD / Assignments at 571-272-3350. v.2.6
Web interface last modified:
August 25, 2017 v.2.6
|
