Inventor

Hazem Haddad

Inventor

Houston, TX, US

Overview

4→

Patents

1997–2005

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 4 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 state50%

B01DSeparation13%

C07CAcyclic or carbocyclic compounds13%

C10GCracking hydrocarbon oils13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

PatentTitleYear

6,964,181'Optimized heating value in natural gas liquids recovery scheme'2005 6,712,880'Cryogenic process utilizing high pressure absorber column'2004 5,675,054'Low cost thermal coupling in ethylene recovery'1997 5,626,034'Mixed refrigerants in ethylene recovery'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Based in Rolla, MO, US· patent location history

2004–2005Patents assigned to ABB LUMMUS GLOBAL INC (2)· patent assignee history

2004–2005Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ABB LUMMUS GLOBAL INC	2	2004–2005

Locations

Location	Patents	Span
Houston, Texas, US	2	2004–2005
Rolla, MO, US	2	1997