Rainer Sperling

Follow

Person

Biebertal, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a multilayer compression moulded element
- Patent number 8,323,548
- Issue date Dec 4, 2012
- Schunk Kohlerstofftechnik GmbH
- Hans Lippert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for production of a multi-layer carbon brush
- Patent number 7,308,759
- Issue date Dec 18, 2007
- Schunk Kohlenstofftechnik GmbH
- Rainer Sperling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Resin-bonded graphite material, method for the production of a resi...
- Patent number 7,094,366
- Issue date Aug 22, 2006
- Schunk Kohlenstofftechnik GmbH
- Bettina Hübner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbon brush and process for impregnating same
- Patent number 6,068,926
- Issue date May 30, 2000
- Schunk Kohlenstofftechnik GmbH
- Rainer Sperling
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Carbon brush and process for impregnating same
- Patent number 5,798,178
- Issue date Aug 25, 1998
- Schunk Kohlenstofftechnik GmbH
- Rainer Sperling
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR MANUFACTURING A MULTILAYER COMPRESSION MOULDE...
- Publication number 20090261687
- Publication date Oct 22, 2009
- SCHUNK KOHLENSTOFFTECHNIK GMBH
- Hans Lippert
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for production of a multi-layer carbon brush
- Publication number 20050223538
- Publication date Oct 13, 2005
- Rainer Sperling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Resin-bonded graphite material, method for the production of a resi...
- Publication number 20040260004
- Publication date Dec 23, 2004
- Bettina Hubner
- H01 - BASIC ELECTRIC ELEMENTS