Ferrous disintegrable powder compact, method of making and article of same
US-9803439-B2 · Oct 31, 2017 · US
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Zhang Zhihui patents in 2017
Zhang Zhihui was listed as an assignee on 4 patent publications in 2017.
| Metric | Value |
|---|---|
| Company | Zhang Zhihui |
| Year | 2017 |
| Patents | 4 |
Patents
Representative publications for Zhang Zhihui in 2017.
Degradable metal composites, methods of manufacture, and uses thereof
US-9789663-B2 · Oct 17, 2017 · US
Method of treating a formation and method of temporarily isolating a first section of a wellbore from a second section of the wellbore
US-9574415-B2 · Feb 21, 2017 · US
Methods of manufacturing dissolvable tools via liquid-solid state molding
US-2017044675-A1 · Feb 16, 2017 · US
Top CPC classifications
Most common classification codes for Zhang Zhihui in 2017.
| CPC | Patents |
|---|---|
| B22F1/025 | 2 |
| B22F1/17 | 2 |
| B22F2998/10 | 2 |
| B22F3/02 | 2 |
| B22F3/10 | 2 |
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