Inventor
Xijun JIANG
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling25%
C21DModifying the physical structure of ferrous metals13%
C22CAlloys13%
F04BPositive-displacement machines for liquids13%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids13%
F04DNon-positive-displacement pumps13%
Y02PClimate change mitigation technologies in the production or processing of goods13%
PatentTitleYear
12,571,287Wellhead automatic positioning method and system of plugging and perforating operation machine202612,503,919Integrated plugging and perforating operation system202512,435,723Fluid transfer pump202511,396,682Free machining and non-quenched and tempered steel and manufacturing method therefor2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to BAOSHAN IRON & STEEL (1)· patent assignee history
2022–2026Based in CN· patent location history
2025–2026Patents assigned to BAOJI SAFE PETROLEUM MACHINERY CO LTD (2)· patent assignee history
2025Patents assigned to TECHTRONIC CORDLESS GP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAOJI SAFE PETROLEUM MACHINERY CO LTD | 2 | 2025–2026 |
| BAOSHAN IRON & STEEL | 1 | 2022 |
| TECHTRONIC CORDLESS GP | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2022–2026 |