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Björn Ehler
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Lubeck, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Cascadable multi-charger and method for the operation thereof
Patent number
10,958,084
Issue date
Mar 23, 2021
Drägerwerk AG & Co. KGaA
Björn Ehler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Blower filter device, respirator system and method
Patent number
10,905,902
Issue date
Feb 2, 2021
Drager Safety AG & Co. KGaA
Björn Ehler
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Blower filter respirator system
Patent number
10,625,103
Issue date
Apr 21, 2020
Drager Safety AG & Co. KGaA
Björn Ehler
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Blower filter system
Patent number
10,537,753
Issue date
Jan 21, 2020
Drager Safety AG & Co. KGaA
Mathias Dehmke
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Blower filter system
Patent number
10,508,655
Issue date
Dec 17, 2019
Drager Safety AG & Co. KGaA
Achim Volmer
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Battery-operated blower filter system for use in potentially explos...
Patent number
10,190,590
Issue date
Jan 29, 2019
Dräger Safety AG & Co, KGaA
Achim Volmer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Blower filter device
Patent number
9,950,197
Issue date
Apr 24, 2018
Drager Safety AG & Co. KGaA
Achim Volmer
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Grant
Test head for protective mask testing and test head system
Patent number
7,988,452
Issue date
Aug 2, 2011
Drager Safety AG & Co. KGaA
Roland Eiwen
A62 - LIFE-SAVING FIRE-FIGHTING
Patents Applications
last 30 patents
Information
Patent Application
CASCADABLE MULTI-CHARGER AND METHOD FOR THE OPERATION THEREOF
Publication number
20190020204
Publication date
Jan 17, 2019
Dragerwerk AG & Co. KGaA
Björn EHLER
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
BLOWER FILTER RESPIRATOR SYSTEM
Publication number
20160271428
Publication date
Sep 22, 2016
Drager Safety AG & Co. KGaA
Björn EHLER
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
BLOWER FILTER DEVICE, RESPIRATOR SYSTEM AND METHOD
Publication number
20160236014
Publication date
Aug 18, 2016
Drager Safety AG & Co. KGaA
Björn EHLER
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
BLOWER FILTER SYSTEM
Publication number
20160114195
Publication date
Apr 28, 2016
Drager Safety AG & Co. KGaA
Mathias DEHMKE
A62 - LIFE-SAVING FIRE-FIGHTING
Information
Patent Application
BLOWER FILTER SYSTEM
Publication number
20160090989
Publication date
Mar 31, 2016
Achim VOLMER
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
BATTERY-OPERATED BLOWER FILTER SYSTEM FOR USE IN POTENTIALLY EXPLOS...
Publication number
20150211534
Publication date
Jul 30, 2015
Drager Safety AG & Co. KGaA
Achim Volmer
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
BLOWER FILTER DEVICE
Publication number
20140311490
Publication date
Oct 23, 2014
Drager Safety AG & Co. KGaA
Achim VOLMER
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
TEST HEAD FOR PROTECTIVE MASK TESTING AND TEST HEAD SYSTEM
Publication number
20090288504
Publication date
Nov 26, 2009
Drager Safety AG & Co. KGaA
Roland EIWEN
A62 - LIFE-SAVING FIRE-FIGHTING