LexDanaLexDanabeta
Inventor

Edward C. Marshall

Inventor
Houston, TX, US

Overview

6→
Patents
2011–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere50%
E21BEarth or rock drilling33%
B01DSeparation8%
G05BControl or regulating systems in general8%
PatentTitleYear
9,255,220'Defoamer formulation and methods for making and using same'20169,090,809'Methods for using complementary surfactant compositions'20159,085,724'Environmentally friendly base fluids and methods for making and using same'20158,524,639'Complementary surfactant compositions and methods for making and using same'20138,141,661'Enhanced oil-based foam drilling fluid compositions and method for making and using same'20127,915,203'Secondary emulsifiers for inverted emulsion fluids and methods for making and using same'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2016Patents assigned to CLEARWATER INT LLC (5)· patent assignee history
2011Based in Sehute, TX, US· patent location history
2012–2015Patents assigned to FALANA OLUSEGUN M (2)· patent assignee history
2012–2015Patents assigned to KAKADJIAN SARKIS R (2)· patent assignee history
2012–2013Patents assigned to ZAMORA FRANK (2)· patent assignee history
2012Based in San Antonio, TX, US· patent location history
2013–2015Patents assigned to MARSHALL EDWARD C (2)· patent assignee history
2013–2015Based in Schertz, TX, US· patent location history
2015–2016Based in Houston, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CLEARWATER INT LLC52011–2016
FALANA OLUSEGUN M22012–2015
KAKADJIAN SARKIS R22012–2015
MARSHALL EDWARD Cself22013–2015
ZAMORA FRANK22012–2013
Locations
LocationPatentsSpan
Houston, Texas, US22015–2016
Schertz, Texas, US22013–2015
San Antonio, Texas, US12012
Sehute, Texas, US12011