Bengt Kallman

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Leksand, SE

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Patents Grantslast 30 patents

Information Patent Grant
Powered air-purifying respirator
- Patent number 10,441,828
- Issue date Oct 15, 2019
- 3M Innovative Properties Company
- Desmond T. Curran
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Powered air purifying respirator unit control panel
- Patent number D739007
- Issue date Sep 15, 2015
- 3M Innovative Properties Company
- Bengt Kallman
- D24 - Medical and laboratory equipment
Information Patent Grant
Method of controlling a powered air purifying respirator
- Patent number 9,119,979
- Issue date Sep 1, 2015
- 3M Innovative Properties Company
- Desmond T. Curran
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Process and device for flow control of an electrical motor fan
- Patent number 7,244,106
- Issue date Jul 17, 2007
- 3M Innovative Properties Company
- Bengt Kallman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Powered Air-Purifying Respirator
- Publication number 20160213955
- Publication date Jul 28, 2016
- 3M Innovative Properties Company
- Desmond T. Curran
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
POWERED AIR PURIFYING RESPIRATOR
- Publication number 20130092164
- Publication date Apr 18, 2013
- 3M INNOVATIVE PROPERTIES COMPANY
- Desmond T. Curran
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
METHOD OF CONTROLLING A POWERED AIR PURIFYING RESPIRATOR
- Publication number 20120260918
- Publication date Oct 18, 2012
- Terence M. Sayers
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Method of Controlling a Powered Air Purifying Respirator
- Publication number 20120138051
- Publication date Jun 7, 2012
- Desmond T. Curran
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Process and device for flow control of an electrical motor fan
- Publication number 20040101412
- Publication date May 27, 2004
- Bengt Kallman
- G05 - CONTROLLING REGULATING