LexDanaLexDanabeta
Inventor

Andrew J. Downing

Inventor
Bakersfield, CA, US

Overview

6→
Patents
1995–2018
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 6 as inventor

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

E21Bprimary
E21BEarth or rock drilling40%
B23KSoldering or unsoldering20%
H02KDynamo-electric machines20%
G01VGeophysics10%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters10%
PatentTitleYear
10,072,480Downhole power generation system201810,044,244Downhole bladeless generator20189,234,981'Exploitation of sea floor rig structures to enhance measurement while drilling telemetry data'20168,339,277'Communication via fluid pressure modulation'20125,620,132'Apparatus and method for removing meltable material from a substrate'19975,458,281'Method for removing meltable material from a substrate'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to IBM (2)· patent assignee history
1995–1997Based in Milwaukee, WI, US· patent location history
2012–2016Patents assigned to DOWNING ANDREW J (2)· patent assignee history
2012–2016Patents assigned to SPROSS RONALD L (2)· patent assignee history
2012Patents assigned to BRYARS KENNETH J (1)· patent assignee history
2012–2016Based in Tomball, TX, US· patent location history
2016–2018Patents assigned to HALLIBURTON ENERGY SERVICES INC (3)· patent assignee history
2018Based in Bakersfield, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERVICES INC32016–2018
DOWNING ANDREW Jself22012–2016
IBM21995–1997
SPROSS RONALD L22012–2016
BRYARS KENNETH J12012
Locations
LocationPatentsSpan
Bakersfield, California, US22018
Tomball, Texas, US22012–2016
Milwaukee, WI, US21995–1997