Inventor

David Howlett

Inventor

King's Lynn, GB

Overview

16→

Patents

1989–2006

Patent span

Human necessities

Primary field (CPC A)

Patents· 16 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 body43%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers22%

B05BSpraying apparatus13%

A61KPreparations for medical, dental or toiletry purposes4%

F16KValves4%

G01FMeasuring volume, volume flow, mass flow or liquid level4%

G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves4%

G10KSound-producing devices4%

PatentTitleYear

7,146,977'Valve system and method for aerosol delivery'2006 7,086,571'Valves for pressurized dispensing containers'2006 6,354,290'Inhalation apparatus'2002 6,341,603'Inhalation apparatus'2002 6,336,455'Relating to dispensing apparatus'2002 6,197,280'Pharmaceutical compositions and devices for their administration'2001 6,170,482'Inhalation apparatus'2001 6,082,355'Inhalation apparatus'2000 6,062,214'Inhaler for medicament'2000 5,938,085'Valves for dispensers'1999 5,896,853'Controlled flow inhalers'1999 5,860,416'Inhalers'1999 5,037,013'Dispensing apparatus for pressurized dispenser containers'1991 4,896,832'Dispensing apparatus for metered quantities of pressurised fluid'1990 4,858,790'Collapsible chamber metering valve'1989 4,842,495'Non throttling discharge pump assembly'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2006Patents assigned to BESPAK PLC (14)· patent assignee history

1989–2006Based in King's Lynn, GB· patent location history

1989–2006Based in Norfolk, GB· patent location history

1990–2001Based in Grimston, GB· patent location history

2001Patents assigned to BIOGLAN LAB LTD (1)· patent assignee history

2006Patents assigned to DEKA PRODUCTS LP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BESPAK PLC	14	1989–2006
BIOGLAN LAB LTD	1	2001
DEKA PRODUCTS LP	1	2006

Locations

Location	Patents	Span
King's Lynn, GB	10	1989–2006
Norfolk, GB	4	1989–2006
Grimston, GB	2	1990–2001