Inventor
Dennis Haggerty
Inventor
Burleson, TX, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling52%
G01VGeophysics19%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
F15BSystems acting by means of fluids in general5%
F16KValves5%
G01MTesting static or dynamic balance of machines or structures5%
PatentTitleYear
10,781,669Simulated wellbore control for dynamic underbalance testing202010,597,972Autonomous pressure control assembly with state-changing valve system202010,253,603Methods of controlling the dynamic pressure created during detonation of a shaped charge using a substance20199,995,136Simulating downhole flow through a perforation20189,989,512High pressure rock core testing20189,279,904'Simulating downhole flow through a perforation'20169,057,802'Simulating downhole flow through a perforation'20158,950,252'High pressure rock core testing'20158,794,326'Perforating gun with variable free gun volume'20148,549,905'Simulating downhole flow through a perforation'20137,861,609'Apparatus for constructing a target core from unconsolidated sand and method for use of same'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2015Patents assigned to HALLIBURTON ENERGY SERV INC (4)· patent assignee history
2011–2020Based in Burleson, TX, US· patent location history
2013Patents assigned to BROOKS JAMES E (1)· patent assignee history
2013Patents assigned to HAGGERTY DENNIS (1)· patent assignee history
2014–2015Patents assigned to HAGGERTY DENNIS J (2)· patent assignee history
2015–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 7 | 2015–2020 |
| HALLIBURTON ENERGY SERV INC | 4 | 2011–2015 |
| HAGGERTY DENNIS Jself | 2 | 2014–2015 |
| BROOKS JAMES E | 1 | 2013 |
| HAGGERTY DENNISself | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burleson, Texas, US | 11 | 2011–2020 |