Inventor

David R. Stonehouse

Inventor

Cambridge, GB

Overview

12→

Patents

1991–2018

Patent span

Human necessities

Primary field (CPC A)

Patents· 12 as inventor

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body25%

A23BPreservation of foods, foodstuffs or non-alcoholic beverages8%

A61CDentistry8%

B05BSpraying apparatus8%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers8%

F25DRefrigerators8%

G01CMeasuring distances, levels or bearings8%

G09FDisplaying8%

H02JElectric power networks8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

9,889,455'Particulate sprayer'2018 7,696,728'Toothbrush'2010 7,462,168'Safety pen needle with passive safety shield system'2008 7,462,169'Safety shield system for an injection pen needle'2008 7,384,414'Safety pen needle with non-injection end passive safety features'2008 6,209,834'Optical imaging mount apparatus'2001 5,845,501'Chilling device for beverage container'1998 D0375870'Drinking vessel'1996 D0371075'Beverage container'1996 D0370633'Beverage container'1996 D0370632'Beverage container'1996 5,010,671'Flip chart pad'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to DENNISON STATIONERY PRODUCTS C (1)· patent assignee history

1996Patents assigned to COURAGE LTD (4)· patent assignee history

1996–1998Based in Finchley, GB· patent location history

1996Based in London, GB· patent location history

2001Based in Fairmont Hot Springs, CA· patent location history

2008Patents assigned to BECTON DICKINSON CO (3)· patent assignee history

2008–2018Based in Cambridge, GB· patent location history

2010Patents assigned to GLAXO GROUP LTD (1)· patent assignee history

2010Based in Melbourn, GB· patent location history

2018Patents assigned to IMPEY BENJAMIN ERLAND (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
COURAGE LTD	4	1996
BECTON DICKINSON CO	3	2008
DENNISON STATIONERY PRODUCTS C	1	1991
GLAXO GROUP LTD	1	2010
IMPEY BENJAMIN ERLAND	1	2018

Locations

Location	Patents	Span
Cambridge, GB	4	2008–2018
Finchley, GB	4	1996–1998
Melbourn, GB	1	2010
Fairmont Hot Springs, CA	1	2001
London, GB	1	1996