Inventor

James David Dowell

Inventor
Sugar Land, TX, US

Overview

2→
Patents
2010–2015
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling67%
G01FMeasuring volume, volume flow, mass flow or liquid level33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2010–2015Patents assigned to CHEVRON USA INC (2)· patent assignee history
2010Based in Sugarland, TX, US· patent location history
2015Patents assigned to DOWELL JAMES DAVID (1)· patent assignee history
2015Patents assigned to THOMPSON MELVIN CLARK (1)· patent assignee history
2015Based in Sugar Land, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHEVRON USA INC22010–2015
DOWELL JAMES DAVIDself12015
THOMPSON MELVIN CLARK12015
Locations
LocationPatentsSpan
Sugar Land, Texas, US12015
Sugarland, Texas, US12010