Ralf Sprenger

Follow

Person

Duisburg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Fire detector device
- Patent number 7,298,479
- Issue date Nov 20, 2007
- Novar GmbH
- Heiner Politze
- G08 - SIGNALLING
Information Patent Grant
Fire detection method and fire detector therefor
- Patent number 7,239,387
- Issue date Jul 3, 2007
- Novar GmbH
- Heiner Politze
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
Fire Detector Device
- Publication number 20070229824
- Publication date Oct 4, 2007
- Novar GmbH
- Heiner Politze
- G08 - SIGNALLING
Information Patent Application
Fire detection method and fire detector therefor
- Publication number 20040066512
- Publication date Apr 8, 2004
- Heiner Politze
- G08 - SIGNALLING