Inventor
Chengwen Wang
Inventor
Shandong, CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C04Bprimary
C04BLime, magnesia18%
C09KMaterials for miscellaneous applications, not provided for elsewhere18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%
B01FMixing, e.g. dissolving, emulsifying or dispersing6%
B64CAeroplanes6%
B64DEquipment for fitting in or to aircraft6%
B64UUnmanned aerial vehicles [uav]6%
E21BEarth or rock drilling6%
G01SRadio direction-finding6%
G05DSystems for controlling or regulating non-electric variables6%
PatentTitleYear
10,858,571High-temperature retarder suitable for oil and gas well cementation, preparation method thereof and cementing slurry202010,655,048Oil well cement settlement stabilizer for high-temperature cementing of oil and gas wells and preparation method thereof, and cement slurry202010,303,186Unmanned spatial vehicle performance20199,624,420'Foam stabilizer composition, foamed cement slurry and additive composition thereof'20179,614,325'Blind-mate integrated connector'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017–2020Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (3)· patent assignee history
2017Patents assigned to China Univeristy of Petroleum (East China) (1)· patent assignee history
2017Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history
2017–2020Based in Shandong, CN· patent location history
2017Based in Shenzhen, CN· patent location history
2019Patents assigned to WANG CHENGWEN CHRIS (1)· patent assignee history
2019Based in Las Vegas, NV, US· patent location history
2020Patents assigned to CHENGDU OMAX PETROLEUM TECH CO LTD (1)· patent assignee history
2020Based in Qingdao, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA PETROLEUM EAST CHINA | 3 | 2017–2020 |
| CHENGDU OMAX PETROLEUM TECH CO LTD | 1 | 2020 |
| China Univeristy of Petroleum (East China) | 1 | 2017 |
| HUAWEI TECH CO LTD | 1 | 2017 |
| WANG CHENGWEN CHRISself | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shandong, CN | 2 | 2017–2020 |
| Qingdao, CN | 1 | 2020 |
| Las Vegas, NV, US | 1 | 2019 |
| Shenzhen, CN | 1 | 2017 |