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Inventor

David Richard Worth

Inventor
Shenton Park, AU

Overview

16→
Patents
1996–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

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

F02Dprimary
F02DControlling combustion engines29%
Y02TClimate change mitigation technologies related to transportation17%
F02BInternal-combustion piston engines14%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof12%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general7%
F01MLubricating of machines or engines in general5%
B64CAeroplanes2%
B64DEquipment for fitting in or to aircraft2%
B64UUnmanned aerial vehicles [uav]2%
F02FCylinders, pistons or casings, for combustion engines2%
PatentTitleYear
9,187,182'Method of controlling operation of an unmanned aerial vehicle'20156,941,747'Exhaust gas treatment method and device'20056,889,664'Engine airflow measurement'20056,755,177'Speed limiter'20046,418,916'Treatment of engine blow-by gases'20026,257,200'Engine control strategy'20016,164,268'Pressurizing a gas injection type fuel injection system'20006,098,587'Oil supply method for an internal combustion engine'20006,035,825'Control of fueling rate of an engine'20005,970,954'Control of fueling of an internal combustion engine'19995,899,191'Air fuel ratio control'19995,853,306'Operation of marine engines'19985,806,304'Catalytic treatment of engine exhaust gas'19985,709,177'Exhaust valve timing control responsive to engine idling and shut-down'19985,655,365'Method of operating an internal combustion engine'19975,558,070'Exhaust gas recirculation in a two stroke engine'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2005Patents assigned to ORBITAL ENG PTY (13)· patent assignee history
1996–2015Based in Shenton Park, AU· patent location history
1998Based in Forest Park, GB· patent location history
1999Patents assigned to ORBITAL ENG AUSTRALIA (1)· patent assignee history
2015Patents assigned to BARBER TERRAN AMBROSE (1)· patent assignee history
2015Patents assigned to CATHCART GEOFFREY PAUL (1)· patent assignee history
2015Patents assigned to ORBITAL AUSTRALIA PTY LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ORBITAL ENG PTY131996–2005
BARBER TERRAN AMBROSE12015
CATHCART GEOFFREY PAUL12015
ORBITAL AUSTRALIA PTY LTD12015
ORBITAL ENG AUSTRALIA11999
Locations
LocationPatentsSpan
Shenton Park, AU151996–2015
Forest Park, GB11998