Derek A. Parkin

Person

County Durham, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Respirator flow control apparatus and method
- Patent number 11,130,008
- Issue date Sep 28, 2021
- 3M Innovative Properties Company
- Garry J. Walker
- A42 - HEADWEAR
Information Patent Grant
Respirator flow control apparatus and method
- Patent number 10,137,320
- Issue date Nov 27, 2018
- 3M Innovative Properties Company
- Garry J. Walker
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Respirator Flow Control Apparatus And Method
- Publication number 20210387028
- Publication date Dec 16, 2021
- 3M Innovative Properties Company
- Garry J. Walker
- A42 - HEADWEAR
Information Patent Application
Respirator Flow Control Apparatus And Method
- Publication number 20190083822
- Publication date Mar 21, 2019
- 3M Innovative Properties Company
- Garry J. Walker
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Respirator Flow Control Apparatus And Method
- Publication number 20150083134
- Publication date Mar 26, 2015
- 3M Innovative Properties Company
- Garry J. Walker
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
SUPPLIED AIR RESPIRATOR THAT HAS AN ADJUSTABLE LENGTH HOSE
- Publication number 20130228183
- Publication date Sep 5, 2013
- 3M Innovative Properties Company
- Garry Walker
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
RESPIRATOR FLOW CONTROL APPARATUS AND METHOD
- Publication number 20100108067
- Publication date May 6, 2010
- Garry J. Walker
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Supplied air respirator that has an adjustable length hose
- Publication number 20060231100
- Publication date Oct 19, 2006
- Garry J. Walker
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Product application device
- Publication number 20030075829
- Publication date Apr 24, 2003
- Derek Parkin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Derek A. Parkin

Person

Patents Grantslast 30 patents

Respirator flow control apparatus and method

Respirator flow control apparatus and method

Patents Applicationslast 30 patents

Respirator Flow Control Apparatus And Method

Respirator Flow Control Apparatus And Method

Respirator Flow Control Apparatus And Method

SUPPLIED AIR RESPIRATOR THAT HAS AN ADJUSTABLE LENGTH HOSE

RESPIRATOR FLOW CONTROL APPARATUS AND METHOD

Supplied air respirator that has an adjustable length hose

Product application device