Inventor
Douglas J. Harrison
Inventor
Tomball, TX, US
Overview
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 drilling38%
C04BLime, magnesia13%
PatentTitleYear
9,315,712'Viscoelastic surfactants and methods of making and using same'20168,684,091'Wellbore servicing compositions and methods of making and using same'20148,322,431'Wellbore servicing compositions and methods of making and using same'20128,207,096'Compressible packer fluids and methods of making and using same'20127,960,314'Microemulsifiers and methods of making and using same'20117,833,943'Microemulsifiers and methods of making and using same'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2014Patents assigned to HALLIBURTON ENERGY SERV INC (5)· patent assignee history
2010–2016Based in Tomball, TX, US· patent location history
2012–2016Patents assigned to HARRISON DOUGLAS J (4)· patent assignee history
2012–2014Patents assigned to EZELL RYAN G (2)· patent assignee history
2012–2016Patents assigned to VAN ZANTEN RYAN (2)· patent assignee history
2016Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERV INC | 5 | 2010–2014 |
| HARRISON DOUGLAS Jself | 4 | 2012–2016 |
| EZELL RYAN G | 2 | 2012–2014 |
| VAN ZANTEN RYAN | 2 | 2012–2016 |
| HALLIBURTON ENERGY SERVICES INC | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tomball, Texas, US | 6 | 2010–2016 |