David Michael Williamson

Inventor

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Work History

Patent OwnerApplications FiledYear
Nikon Corporation
2
2
2011
2012
BP Oil International Limited
2
2014
EDUCATIONAL TESTING SERVICE
1
2015

Inventor Addresses

AddressDuration
Berkshire, GBJun 09, 16 - Jun 16, 16
Tucson, AZ, USJul 26, 12 - Aug 09, 16
Yardley, PA, USSep 24, 15 - Sep 24, 15

Technology Profile

Technology Matters
C10L: FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 2
G01B: MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS 1
G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
9,411,2462016Full-field maskless lithography projection optics0
2016/0168,4982016Methods and Uses for Intake-Valve and Direct-Injector Deposit Clean-Up0
2016/0160,1432016Methods and Uses for Controlling Deposits on Valves in Direct-Injection Spark-Ignition Engines0
2015/0269,5292015Systems and Methods for Assessing Structured Interview Responses0
2013/0003,1662013Full-field maskless lithography projection optics0

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