Fred F. Schleifer

Person

Elk Mound, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Power supply having voltage blocking clamp
- Patent number 7,339,805
- Issue date Mar 4, 2008
- Elster Electricity, LLC
- Rodney C. Hemminger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for metering at least one type of electrical power over a...
- Patent number 7,180,282
- Issue date Feb 20, 2007
- Elster Electricity, LLC
- Fred F. Schleifer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for metering at least one type of electrical power over a...
- Patent number 6,940,268
- Issue date Sep 6, 2005
- Elster Electricity, LLC
- Rodney C. Hemminger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Telecommunications off-hook and intrusion detection method and appa...
- Patent number 6,470,083
- Issue date Oct 22, 2002
- ABB Automation Inc.
- Rodney C. Hemminger
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for metering at least one type of electrical power over a...
- Patent number 6,229,295
- Issue date May 8, 2001
- ABB Power T&D Company Inc.
- Rodney C. Hemminger
- G01 - MEASURING TESTING
Information Patent Grant
Electrical energy meter for 3-wire delta service
- Patent number 6,097,182
- Issue date Aug 1, 2000
- ABB Power T&D Company Inc.
- Rodney C. Hemminger
- G01 - MEASURING TESTING
Information Patent Grant
Universal electronic energy meter for use with 4-wire standard serv...
- Patent number 5,903,145
- Issue date May 11, 1999
- ABB Power T&D Company Inc.
- Rodney C. Hemminger
- G01 - MEASURING TESTING
Information Patent Grant
Switching power supply for use in an electronic energy meter having...
- Patent number 5,621,629
- Issue date Apr 15, 1997
- ABB Power T&D Company Inc.
- Rodney C. Hemminger
- G01 - MEASURING TESTING
Information Patent Grant
Switching power supply having voltage blocking clamp
- Patent number 5,457,621
- Issue date Oct 10, 1995
- ABB Power T&D Company Inc.
- Mark L. Munday
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Power supply having voltage blocking clamp
- Publication number 20070115022
- Publication date May 24, 2007
- Elster Electricity, LLC
- Rodney C. Hemminger
- G01 - MEASURING TESTING
Information Patent Application
Apparatus for metering at least one type of electrical power over a...
- Publication number 20040105206
- Publication date Jun 3, 2004
- Fred F. Schleifer
- G01 - MEASURING TESTING
Information Patent Application
Apparatus for metering at least one type of electrical power over a...
- Publication number 20040021456
- Publication date Feb 5, 2004
- Rodney C. Hemminger
- G01 - MEASURING TESTING

Fred F. Schleifer

Person

Patents Grantslast 30 patents

Power supply having voltage blocking clamp

Apparatus for metering at least one type of electrical power over a...

Apparatus for metering at least one type of electrical power over a...

Telecommunications off-hook and intrusion detection method and appa...

Apparatus for metering at least one type of electrical power over a...

Electrical energy meter for 3-wire delta service

Universal electronic energy meter for use with 4-wire standard serv...

Switching power supply for use in an electronic energy meter having...

Switching power supply having voltage blocking clamp

Patents Applicationslast 30 patents

Power supply having voltage blocking clamp

Apparatus for metering at least one type of electrical power over a...

Apparatus for metering at least one type of electrical power over a...