Inventor

David B. Chadwick

Inventor
San Diego, CA, US

Overview

21→
Patents
1995–2020
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 21 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties19%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy17%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
B63BShips or other waterborne vessels6%
G01VGeophysics6%
Y02TClimate change mitigation technologies related to transportation6%
B63GOffensive or defensive arrangements on vessels4%
E21BEarth or rock drilling4%
F03BMachines or engines for liquids4%
F03DWind motors4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2020Based in San Diego, CA, US· patent location history
2006–2020Patents assigned to US NAVY (18)· patent assignee history
2013–2014Patents assigned to CHADWICK DAVID B (3)· patent assignee history
2013–2015Patents assigned to WOTAWA-BERGEN ADRIANE Q (3)· patent assignee history
2015–2017Patents assigned to CHADWICK DAVID BARTHOLOMEW (4)· patent assignee history
2015–2016Patents assigned to KAGAN JEFFREY ASHER (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
US NAVY182006–2020
CHADWICK DAVID BARTHOLOMEWself42015–2017
CHADWICK DAVID Bself32013–2014
KAGAN JEFFREY ASHER32015–2016
WOTAWA-BERGEN ADRIANE Q32013–2015
Locations
LocationPatentsSpan
San Diego, California, US211995–2020