P

Inventor

PURKINS GRAHAM R

GB9 patents
⚠️ This page may combine multiple inventors who share the name “PURKINS GRAHAM R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BREWER RICHARD D

4 patents
USD687947SAug 13, 2013

Inhaler

BREWER RICHARD D18 citations91
US8517019B2Aug 27, 2013

Method and apparatus for metered dose dispensing

BREWER RICHARD D21 citations88
USD687945SAug 13, 2013

Inhaler

BREWER RICHARD D15 citations82
USD687946SAug 13, 2013

Inhaler

BREWER RICHARD D16 citations82

3M INNOVATIVE PROPERTIES CO

2 patents
US7234460B2Jun 26, 2007

Metering valve for a metered dose inhaler providing consistent delivery

3M INNOVATIVE PROPERTIES CO99 citations94
US9089661B2Jul 28, 2015

Dose counter

3M INNOVATIVE PROPERTIES CO15 citations81

STUART ADAM J

1 patent
US8479732B2Jul 9, 2013

Dose counter

STUART ADAM J30 citations89

JINKS PHILIP A

1 patent
US9067031B2Jun 30, 2015

Metered dose valves and dispensers

JINKS PHILIP A17 citations83

PURKINS GRAHAM R

1 patent
US8740014B2Jun 3, 2014

Dose counter for dispensers

PURKINS GRAHAM R27 citations83