Inventor

Dennis Crowdis

Inventor
Denton, TX, US

Overview

4→
Patents
2005–2016
Patent span
Fixed constructions
Primary field (CPC E)

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
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC32005–2015
CROWDIS DENNISself12014
FADUL JAVIER12014
FRIPP MICHAEL12014
HALES JOHN12014
Locations
LocationPatentsSpan
Denton, Texas, US32005–2016
Midlothian, Texas, US12014