Harald HEYER

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Klein Wesenberg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Directional valve and breathing mask with a directional valve
- Patent number 9,808,657
- Issue date Nov 7, 2017
- Drager Safety AG & Co. KGaA
- Michael Rosert
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Directional valve and respirator product with a directional valve
- Patent number 9,492,691
- Issue date Nov 15, 2016
- Drager Safety AG & Co. KGaA
- Michael Rosert
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
BREATHING HALF MASK
- Publication number 20240198144
- Publication date Jun 20, 2024
- Drager Safety AG & Co. KGaA
- Harald HEYER
- A41 - WEARING APPAREL
Information Patent Application
BREATHING HALF MASK
- Publication number 20190290943
- Publication date Sep 26, 2019
- Drager Safety AG & Co. KGaA
- Harald HEYER
- A41 - WEARING APPAREL
Information Patent Application
DIRECTIONAL VALVE AND RESPIRATOR PRODUCT WITH A DIRECTIONAL VALVE
- Publication number 20140076325
- Publication date Mar 20, 2014
- Drager Safety AG & Co. KGaA
- Michael ROSERT
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DIRECTIONAL VALVE AND BREATHING MASK WITH A DIRECTIONAL VALVE
- Publication number 20130068232
- Publication date Mar 21, 2013
- Drager Safety AG & Co. KGaA
- Michael ROSERT
- A62 - LIFE-SAVING FIRE-FIGHTING