Inventor

Brad R. Bull

Inventor
Duncan, OK, US

Overview

7→
Patents
2006–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 7 as inventor

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

E21Bprimary
E21BEarth or rock drilling25%
Y10TTechnical subjects covered by former us classification19%
F16LPipes13%
B01FMixing, e.g. dissolving, emulsifying or dispersing6%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding6%
B25DPercussive tools6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
F04BPositive-displacement machines for liquids6%
G05DSystems for controlling or regulating non-electric variables6%
H01HElectric switches6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2020Based in Duncan, OK, US· patent location history
2011–2014Patents assigned to HALLIBURTON ENERGY SERV INC (3)· patent assignee history
2012–2014Patents assigned to BULL BRAD R (2)· patent assignee history
2012Patents assigned to BLANCO IVAN L (1)· patent assignee history
2014Patents assigned to CASE LEONARD R (1)· patent assignee history
2018–2020Patents assigned to HALLIBURTON ENERGY SERVICES INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC32011–2014
HALLIBURTON ENERGY SERVICES INC32018–2020
BULL BRAD Rself22012–2014
BLANCO IVAN L12012
CASE LEONARD R12014
Locations
LocationPatentsSpan
Duncan, OK, US72006–2020