Inventor

Derong Zhou

Inventor
Doylestown, PA, US

Overview

8→
Patents
2001–2011
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C01Bprimary
C01BNon-metallic elements32%
B01DSeparation26%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds16%
F17CVessels for containing or storing compressed, liquefied or solidified gases11%
C01CAmmonia5%
F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2011Patents assigned to AIR LIQUIDE AMERICAN (6)· patent assignee history
2001–2011Based in Doylestown, PA, US· patent location history
2003–2007Patents assigned to AIR LIQUIDE AMERICA L P (3)· patent assignee history
2003–2011Patents assigned to AIR LIQUIDE (2)· patent assignee history
2011Patents assigned to AIR LIQUIDE ELECTRONICS US LP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIR LIQUIDE AMERICAN62001–2011
AIR LIQUIDE AMERICA L P32003–2007
AIR LIQUIDE22003–2011
AIR LIQUIDE ELECTRONICS US LP12011
Locations
LocationPatentsSpan
Doylestown, Pennsylvania, US82001–2011