Inventor
Zenglin Wang
Inventor
Qingdao, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C01Bprimary
C01BNon-metallic elements14%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
E21BEarth or rock drilling14%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
PatentTitleYear
10,829,378Modified nano graphite and polymer composite material thereof, preparation method and use in high temperature and high salinity oil reservoir20209,932,784Device for handling oil pipes and method for workover20187,022,598'Method of producing multilayer interconnection structure'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to SEMICONDUCTOR TECH ACAD RES CT (1)· patent assignee history
2006Based in Higashihiroshima, JP· patent location history
2018Patents assigned to CHINA PETROLEUM & CHEM CORP (1)· patent assignee history
2018Patents assigned to RES INSTITUTE OF PETROLEUM ENGINEERING SHENGLI OIL FIELD SINOPEC (1)· patent assignee history
2018Based in Dongying, CN· patent location history
2020Patents assigned to NORTHWEST OILFIELD BRANCH CHINA PETROLEUM & CHEMICAL CO LTD (1)· patent assignee history
2020Patents assigned to SHENGLI OILFIELD BRANCH CHINA PETROLEUM & CHEMICAL 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 |
|---|---|---|
| CHINA PETROLEUM & CHEM CORP | 1 | 2018 |
| NORTHWEST OILFIELD BRANCH CHINA PETROLEUM & CHEMICAL CO LTD | 1 | 2020 |
| RES INSTITUTE OF PETROLEUM ENGINEERING SHENGLI OIL FIELD SINOPEC | 1 | 2018 |
| SEMICONDUCTOR TECH ACAD RES CT | 1 | 2006 |
| SHENGLI OILFIELD BRANCH CHINA PETROLEUM & CHEMICAL CO LTD | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Qingdao, CN | 1 | 2020 |
| Dongying, CN | 1 | 2018 |
| Higashihiroshima, JP | 1 | 2006 |