Ralf R. Volkmar

Person

Berlin, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Insulating switching rod
- Patent number 8,309,872
- Issue date Nov 13, 2012
- Siemens Aktiengesellschaft
- Marianne Peter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Rogowski sensor and method for measuring a current
- Patent number 7,969,139
- Issue date Jun 28, 2011
- Siemens Aktiengesellschaft
- Jochen Ermisch
- G01 - MEASURING TESTING
Information Patent Grant
Current-limiting device having a superconductive switching element
- Patent number 7,532,443
- Issue date May 12, 2009
- Siemens Aktiengesellschaft
- Ursaus Kruger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Drive unit for switching circuit breakers on and off
- Patent number 6,980,070
- Issue date Dec 27, 2005
- Siemens Aktiengesellschaft
- Andreas Dobrawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Vacuum relay with a contact unit located in a vacuum
- Patent number 5,268,544
- Issue date Dec 7, 1993
- Siemens Aktiengesellschaft
- Wolfgang Guenther
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulating housing structure with an improved bushing for a conductor
- Patent number 5,170,885
- Issue date Dec 15, 1992
- Siemens Aktinengesellschaft
- Wolfgang Guenther
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light waveguide switch
- Patent number 4,807,949
- Issue date Feb 28, 1989
- Siemens Aktiengesellschaft
- Hubert Jacobi
- G02 - OPTICS
Information Patent Grant
U-shaped solid magnetic core with at least one opening through the...
- Patent number 4,642,594
- Issue date Feb 10, 1987
- Siemens Energy & Automation, Inc.
- Ralf R. Volkmar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Drive for a vacuum switch
- Patent number 4,621,175
- Issue date Nov 4, 1986
- Siemens Aktiengesellschaft
- Ralf R. Volkmar
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
INSULATING SWITCHING ROD
- Publication number 20100307893
- Publication date Dec 9, 2010
- SIEMENS AKTIENGESELLSCHAFT
- Marianne Peter
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Magnetic Drive System for a Switching Device
- Publication number 20100176902
- Publication date Jul 15, 2010
- SIEMENS AKTIENGESELLSCHAFT
- Ralf-Reiner Volkmar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK
- Publication number 20100170774
- Publication date Jul 8, 2010
- SIEMENS AKTIENGESELLSCHAFT
- Jürgen Einschenk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INSULATING SWITCHING ROD WITH A CONTACT PRESSURE ARRANGEMENT COMPRI...
- Publication number 20100078302
- Publication date Apr 1, 2010
- SIEMENS AKTIENGESELLSCHAFT
- Thomas Erk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rogowski Sensor and Method for Measuring a Current
- Publication number 20100013460
- Publication date Jan 21, 2010
- SIEMENS AKTIENGESELLSCHAFT
- Jochen Ermisch
- G01 - MEASURING TESTING
Information Patent Application
Self-Adhesive Elastomer Layer In Circuit-Breaker Poles Insulated By...
- Publication number 20080087647
- Publication date Apr 17, 2008
- Siemens Aktiengesellschaft
- Ralf-Reiner Volkmar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Dielectric Housing Having a Ventilation Shaft
- Publication number 20080078664
- Publication date Apr 3, 2008
- Siemens Aktiengesellschaft
- Matthias Schmidt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Solid-Insulated Switch Pole with an End Moving Contact Connection
- Publication number 20080053810
- Publication date Mar 6, 2008
- Siemens Aktiengesellschaft
- Uwe Hering
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Coupling Apparatus with a Heat Sink
- Publication number 20070264856
- Publication date Nov 15, 2007
- Siemens Aktiengesellschaft
- Thomas Erk
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current Limiting Device Having a Superconductive Switching Element
- Publication number 20070217098
- Publication date Sep 20, 2007
- Ursus Kruger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Production of a circuit-breaker pole, insulated by a solid material
- Publication number 20060011589
- Publication date Jan 19, 2006
- SIEMENS AKTIENGESELLSCHAFT
- Uwe Hering
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Ralf R. Volkmar

Person

Patents Grantslast 30 patents

Insulating switching rod

Rogowski sensor and method for measuring a current

Current-limiting device having a superconductive switching element

Drive unit for switching circuit breakers on and off

Vacuum relay with a contact unit located in a vacuum

Insulating housing structure with an improved bushing for a conductor

Light waveguide switch

U-shaped solid magnetic core with at least one opening through the...

Drive for a vacuum switch

Patents Applicationslast 30 patents

INSULATING SWITCHING ROD

Magnetic Drive System for a Switching Device

SWITCHING POLE FOR A HIGH-VOLTAGE NETWORK

INSULATING SWITCHING ROD WITH A CONTACT PRESSURE ARRANGEMENT COMPRI...

Rogowski Sensor and Method for Measuring a Current

Self-Adhesive Elastomer Layer In Circuit-Breaker Poles Insulated By...

Dielectric Housing Having a Ventilation Shaft

Solid-Insulated Switch Pole with an End Moving Contact Connection

Coupling Apparatus with a Heat Sink

Current Limiting Device Having a Superconductive Switching Element

Production of a circuit-breaker pole, insulated by a solid material