Christian ULBRICH

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Hamburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Housing for a closed-circuit breathing apparatus
- Patent number 11,883,696
- Issue date Jan 30, 2024
- Drager Safety AG & Co. KGaA
- Johannes Herrmann
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Breathing tube for a respirator and respirator
- Patent number 11,324,975
- Issue date May 10, 2022
- Drager Safety AG & Co. KGaA
- Matthias Düpjan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Cooling device for a protective respiratory apparatus
- Patent number 10,463,893
- Issue date Nov 5, 2019
- Drager Safety AG & Co. KGaA
- Jochim Koch
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
BREATHING TUBE FOR A RESPIRATOR AND RESPIRATOR
- Publication number 20190192885
- Publication date Jun 27, 2019
- Drager Safety AG & Co. KGaA
- Matthias DÜPJAN
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
HOUSING FOR A CLOSED-CIRCUIT BREATHING APPARATUS
- Publication number 20190192886
- Publication date Jun 27, 2019
- Drager Safety AG & Co. KGaA
- Johannes HERRMANN
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
COOLING DEVICE FOR A PROTECTIVE RESPIRATORY APPARATUS
- Publication number 20160250504
- Publication date Sep 1, 2016
- Drager Safety AG & Co. KGaA
- Jochim KOCH
- A62 - LIFE-SAVING FIRE-FIGHTING