Inventor
Dennis Crowdis
Inventor
Denton, TX, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2015Patents assigned to HALLIBURTON ENERGY SERV INC (3)· patent assignee history
2005–2016Based in Denton, TX, US· patent location history
2014Patents assigned to CROWDIS DENNIS (1)· patent assignee history
2014Patents assigned to FADUL JAVIER (1)· patent assignee history
2014Patents assigned to FRIPP MICHAEL (1)· patent assignee history
2014Patents assigned to HALES JOHN (1)· patent assignee history
2014Based in Midlothian, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERV INC | 3 | 2005–2015 |
| CROWDIS DENNISself | 1 | 2014 |
| FADUL JAVIER | 1 | 2014 |
| FRIPP MICHAEL | 1 | 2014 |
| HALES JOHN | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Denton, Texas, US | 3 | 2005–2016 |
| Midlothian, Texas, US | 1 | 2014 |