Inventor

Leonard W. Harvey

Inventor
Downingtown, PA, US

Overview

15→
Patents
1996–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 15 as inventor

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

C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers27%
C08LCompositions of macromolecular compounds23%
Y10TTechnical subjects covered by former us classification15%
C08JWorking-up10%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
H05KPrinted circuits4%
B05DProcesses for applying fluent materials to surfaces, in general2%
D06FLaundering, drying, ironing, pressing or folding textile articles2%
F24CDomestic stoves or ranges2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2015Based in Downingtown, PA, US· patent location history
2005–2013Patents assigned to 3M INNOVATIVE PROPERTIES CO (3)· patent assignee history
2012–2015Patents assigned to HARVEY LEONARD W (8)· patent assignee history
2012–2017Patents assigned to WHITFORD CORP (8)· patent assignee history
2012–2013Patents assigned to LEECH LAWRENCE D (3)· patent assignee history
2013–2015Patents assigned to BRAIN HELEN L (3)· patent assignee history
2013Based in Dowingtown, PA, US· patent location history
2015–2017Based in Downington, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARVEY LEONARD Wself82012–2015
WHITFORD CORP82012–2017
3M INNOVATIVE PROPERTIES CO32005–2013
BRAIN HELEN L32013–2015
LEECH LAWRENCE D32012–2013
Locations
LocationPatentsSpan
Downingtown, Pennsylvania, US121996–2015
Downington, Pennsylvania, US22015–2017
Dowingtown, Pennsylvania, US12013