Inventor

David E. Griffin

Inventor

Marlow, OK, US

Overview

5→

Patents

2007–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 5 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 elsewhere44%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%

B05BSpraying apparatus11%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers11%

PatentTitleYear

9,764,890'Liquid spray dispenser system'2017 7,888,297'Compositions for reducing the viscosity of treatment fluids'2011 7,334,640'Methods for reducing the viscosity of treatment fluids'2008 7,262,154'Methods and compositions for breaking viscosified fluids'2007 7,216,704'Methods and compositions for breaking viscosified fluids'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2011Patents assigned to HALLIBURTON ENERGY SERV INC (4)· patent assignee history

2007Based in Duncan, OK, US· patent location history

2008–2011Based in Marlow, OK, US· patent location history

2017Patents assigned to VEGA INNOVATIONS PTY LTD (1)· patent assignee history

2017Based in Annandale, AU· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HALLIBURTON ENERGY SERV INC	4	2007–2011
VEGA INNOVATIONS PTY LTD	1	2017

Locations

Location	Patents	Span
Marlow, OK, US	2	2008–2011
Duncan, OK, US	2	2007
Annandale, AU	1	2017