Inventor
Shan REN
Inventor
CN
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere40%
B01DSeparation10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
C08LCompositions of macromolecular compounds10%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials10%
E21BEarth or rock drilling10%
G06FElectric digital data processing10%
PatentTitleYear
12,371,608Suspended sand dragging fibers and preparation methods thereof202512,234,309High-temperature-resistant deep penetration molecular membrane acid copolymers and preparation methods thereof202512,227,696Instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof202511,845,896Structural stabilizer for fiber and conventional proppant complex in efficient proppant migration and placement technology of fractured well and preparation method202311,408,281Method for determining sand pumping parameters based on width distribution of fracture2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to UNIV SOUTHWEST PETROLEUM (5)· patent assignee history
2022–2025Based in CN· patent location history
2023–2025Patents assigned to CHENGDU LEPS TECH CO LTD (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV SOUTHWEST PETROLEUM | 5 | 2022–2025 |
| CHENGDU LEPS TECH CO LTD | 4 | 2023–2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 5 | 2022–2025 |