LexDanaLexDanabeta
Inventor

David Cann

Inventor
Corvallis, OR, US

Overview

17→
Patents
1991–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 17 as inventor

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

A46Bprimary
A46BBrushes12%
B29LIndexing scheme associated with subclass b29c, relating to particular articles12%
H10NElectric solid-state devices not otherwise provided for12%
C04BLime, magnesia10%
H01LSemiconductor devices10%
B41JTypewriters5%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%
A46DManufacture of brushes2%
A61MDevices for introducing media into, or onto, the body2%
B05BSpraying apparatus2%
PatentTitleYear
11,124,456Methods of identifying and preparing a ceramic material exhibiting an electric field induced strain202111,078,122Ceramic material comprising a pseudo-cubic phase, a process for preparing and uses of the same202110,056,539Electrocaloric device20189,780,295'Lead-free piezoelectric material'20179,539,723'Accessory robot for mobile device'20178,734,670'Lead-free piezoelectric materials with enhanced fatigue resistance'20148,327,492'Toothbrush with elastomer filled flexible head'20127,962,992'Toothbrush with elastomer filled flexible head'20117,890,612'Method and apparatus for regulating data flow between a communications device and a network'20116,514,445'Brush making'20036,471,095'Dosing and delivering system'20026,408,476'Toothbrush with elastomer filled flexible head'20025,946,759'Brush head'19995,676,643'Dispenser for friably releasing dry particulate medicaments'1997D0328712'Combined bottle and dispensing closure'1992D0325164'Combined bottle and dispensing closure'19925,064,106'Metered dispensing package'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2012Patents assigned to PROCTER & GAMBLE (10)· patent assignee history
1991–1999Based in Stonehill, GB· patent location history
1992–2012Based in Chertsey, GB· patent location history
1997–2011Based in Surrey, GB· patent location history
2014–2021Patents assigned to CANN DAVID (3)· patent assignee history
2014–2021Patents assigned to GIBBONS BRADY (3)· patent assignee history
2014–2021Patents assigned to MARDILOVICH PETER (3)· patent assignee history
2014–2018Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (2)· patent assignee history
2014–2021Based in Corvallis, OR, US· patent location history
2017Based in Sunnyvale, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROCTER & GAMBLE101991–2012
CANN DAVIDself32014–2021
GIBBONS BRADY32014–2021
MARDILOVICH PETER32014–2021
HEWLETT PACKARD DEVELOPMENT CO22014–2018
Locations
LocationPatentsSpan
Corvallis, OR, US52014–2021
Chertsey, GB31992–2012
Surrey, GB31997–2011
Stonehill, GB31991–1999
Sunnyvale, California, US12017