Polycrystalline diamond constructions having improved thermal stability
US-10124468-B2 · Nov 13, 2018 · US
Zhang Youhe patents
Zhang Youhe holds 14 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 14 |
| Recent patents | 0 |
| First publication | Jan 6, 2015 |
| Latest publication | Nov 13, 2018 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Polycrystalline diamond compact cutters with conic shaped end
US-9739097-B2 · Aug 22, 2017 · US
Polycrystalline diamond construction with controlled gradient metal content
US-9297211-B2 · Mar 29, 2016 · US
Innovative cutting element and cutting structure using same
US-9284790-B2 · Mar 15, 2016 · US
Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)
US-9187962-B2 · Nov 17, 2015 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Polycrystalline diamond constructions having improved thermal stability
US-10124468-B2 · Nov 13, 2018 · US
Polycrystalline diamond compact cutters with conic shaped end
US-9739097-B2 · Aug 22, 2017 · US
Polycrystalline diamond construction with controlled gradient metal content
US-9297211-B2 · Mar 29, 2016 · US
Innovative cutting element and cutting structure using same
US-9284790-B2 · Mar 15, 2016 · US
Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)
US-9187962-B2 · Nov 17, 2015 · US
Top CPC classifications
Most common classification codes in this portfolio.
| CPC | Patents |
|---|---|
| E21B10/55 | 7 |
| E21B10/567 | 5 |
| E21B10/573 | 4 |
| E21B10/46 | 4 |
| E21B10/633 | 3 |
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Fixed Constructions | 14 |
| Operations & Transport | 7 |
| Chemistry & Metallurgy | 6 |
| Cross-Sectional Technologies | 4 |
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Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Zhang Youhe have in patentsdb?
- Zhang Youhe is linked to 14 publications as assignee in our database.
- What technology areas does Zhang Youhe patent most?
- Top mapped technology areas by patent count: Fixed Constructions (14); Operations & Transport (7); Chemistry & Metallurgy (6).
- Is Zhang Youhe's patent activity growing?
- In our data, assignee counts were 1 in 2017 and 1 in 2018 (similar year over year).
- What are recent patents assigned to Zhang Youhe?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.