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Inventor

John Nicholas Davenport

Inventor
Tucson, AZ, US

Overview

4→
Patents
2009–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

C10Lprimary
C10LFuels not otherwise provided for22%
H05BElectric heating22%
G01RMeasuring electric variables11%
H02HEmergency protective circuit arrangements11%
H04BTransmission11%
H04LTransmission of digital information, e.g. telegraphic communication11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
11,057,981System and method for providing high power factor wired lamp control202110,892,615Circuit for mitigating electric shock20218,076,522'Fuel compositions'20117,638,661'Power increase and increase in acceleration performance of diesel fuel compositions'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2011Patents assigned to SHELL OIL CO (2)· patent assignee history
2009–2011Based in Chester, GB· patent location history
2011Patents assigned to CLARK RICHARD HUGH (1)· patent assignee history
2011Patents assigned to DAVENPORT JOHN NICHOLAS (1)· patent assignee history
2011Patents assigned to LOUIS JURGEN JACOBUS JOHANNES (1)· patent assignee history
2021Patents assigned to ENERGY FOCUS INC (2)· patent assignee history
2021Based in Tucson, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ENERGY FOCUS INC22021
SHELL OIL CO22009–2011
CLARK RICHARD HUGH12011
DAVENPORT JOHN NICHOLASself12011
LOUIS JURGEN JACOBUS JOHANNES12011
Locations
LocationPatentsSpan
Tucson, AZ, US22021
Chester, GB22009–2011