Inventor
Hai Du
Inventor
East Amherst, NY, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Jprimary
F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state21%
B01DSeparation15%
C01BNon-metallic elements15%
G01MTesting static or dynamic balance of machines or structures6%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B01LChemical or physical laboratory apparatus for general use3%
E02BHydraulic engineering3%
G01CMeasuring distances, levels or bearings3%
PatentTitleYear
10,605,694Video monitoring apparatus and method for operating state of wave maker202010,488,194Motion measurement method and apparatus applied to large multi-paddle wave simulation system201910,295,255Cryogenic adsorption process for xenon recovery201910,224,708Over-temperature protection system of a charging device201910,018,413Method and apparatus for increasing argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system201810,012,437Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system201810,012,438Method and apparatus for argon recovery in a cryogenic air separation unit integrated with a pressure swing adsorption system20189,772,139'Purification of argon through liquid phase cryogenic adsorption'20179,676,629'Helium enhanced heat transfer in adsorptive liquid or gas phase argon purification processes'20179,222,727'Purification of argon through liquid phase cryogenic adsorption'2015Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2019Patents assigned to PRAXAIR TECHNOLOGY INC (7)· patent assignee history
2015–2019Patents assigned to DU HAI (6)· patent assignee history
2015–2019Patents assigned to STEPHENSON NEIL A (6)· patent assignee history
2015–2019Patents assigned to BARRETT PHILIP A (2)· patent assignee history
2015–2018Based in East Amherst, NY, US· patent location history
2018Patents assigned to PROSSER NEIL M (3)· patent assignee history
2019–2020Based in Dalian, CN· patent location history
2019Based in Hinsdale, IL, US· patent location history
2019Based in Jiangyin, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PRAXAIR TECHNOLOGY INC | 7 | 2015–2019 |
| DU HAIself | 6 | 2015–2019 |
| STEPHENSON NEIL A | 6 | 2015–2019 |
| PROSSER NEIL M | 3 | 2018 |
| BARRETT PHILIP A | 2 | 2015–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| East Amherst, New York, US | 6 | 2015–2018 |
| Dalian, CN | 2 | 2019–2020 |
| Hinsdale, Illinois, US | 1 | 2019 |
| Jiangyin, CN | 1 | 2019 |