Cryogenic adsorption process for xenon recovery
US-10295255-B2 · May 21, 2019 · US
Du Hai patents
Du Hai holds 6 patents in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 6 |
| Recent patents | 0 |
| First publication | Dec 29, 2015 |
| Latest publication | May 21, 2019 |
Filing trend
Year-over-year patent counts for this assignee.
Recent patents
Latest publications where this party is an assignee.
Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10018413-B2 · Jul 10, 2018 · US
Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10012438-B2 · Jul 3, 2018 · US
Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10012437-B2 · Jul 3, 2018 · US
Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processes
US-9676629-B2 · Jun 13, 2017 · US
Notable patents
Representative or frequently cited publications from precomputed assignee stats.
Cryogenic adsorption process for xenon recovery
US-10295255-B2 · May 21, 2019 · US
Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10018413-B2 · Jul 10, 2018 · US
Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10012438-B2 · Jul 3, 2018 · US
Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system
US-10012437-B2 · Jul 3, 2018 · US
Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processes
US-9676629-B2 · Jun 13, 2017 · US
Technology areas
Mapped technology topics for this assignee.
| Technology | Patents |
|---|---|
| Mechanical Engineering | 6 |
| Operations & Transport | 5 |
| Chemistry & Metallurgy | 4 |
| Cross-Sectional Technologies | 3 |
Frequently asked questions
Answers are generated from the same data shown on this page.
- How many patents does Du Hai have in patentsdb?
- Du Hai is linked to 6 publications as assignee in our database.
- What technology areas does Du Hai patent most?
- Top mapped technology areas by patent count: Mechanical Engineering (6); Operations & Transport (5); Chemistry & Metallurgy (4).
- Is Du Hai's patent activity growing?
- In our data, assignee counts were 3 in 2018 and 1 in 2019 (lower year over year).
- What are recent patents assigned to Du Hai?
- See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.