Hubert Spiegel

Follow

Person

Oberentfelden, CH

People

Patents Grantslast 30 patents

Information Patent Grant
High-voltage circuit-breaker having a spring-loaded control mechani...
- Patent number 6,667,452
- Issue date Dec 23, 2003
- Alstom
- Hubert Spiegel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric gas-blast switch
- Patent number 4,296,289
- Issue date Oct 20, 1981
- Sprecher & Schuh AG
- Hans-Rudolf Wuthrich
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Puffer interrupter with piston bypass channel
- Patent number 4,079,218
- Issue date Mar 14, 1978
- Sprecher & Schuh Ltd. (SSA)
- Hubert Spiegel
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High-voltage circuit-breaker having a spring-loaded control mechani...
- Publication number 20020121503
- Publication date Sep 5, 2002
- ALSTOM
- Hubert Spiegel
- H01 - BASIC ELECTRIC ELEMENTS