Inventor
SCHLEIFER FRED F
US12 patents
⚠️ This page may combine multiple inventors who share the name “SCHLEIFER FRED F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABB POWER T & D CO
5 patentsUS5621629AApr 15, 1997
Switching power supply for use in an electronic energy meter having a wide range of input voltages
ABB POWER T & D CO128 citations99
US5903145AMay 11, 1999
Universal electronic energy meter for use with 4-wire standard services
ABB POWER T & D CO31 citations96
US5457621AOct 10, 1995
Switching power supply having voltage blocking clamp
ABB POWER T & D CO63 citations96
US6229295B1May 8, 2001
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
ABB POWER T & D CO23 citations92
US6097182AAug 1, 2000
Electrical energy meter for 3-wire delta service
ABB POWER T & D CO17 citations92
ELSTER ELECTRICITY LLC
3 patentsUS7339805B2Mar 4, 2008
Power supply having voltage blocking clamp
ELSTER ELECTRICITY LLC29 citations96
US7180282B2Feb 20, 2007
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
ELSTER ELECTRICITY LLC31 citations96
US6940268B2Sep 6, 2005
Apparatus for metering at least one type of electrical power over a predetermined range of service voltages
ELSTER ELECTRICITY LLC28 citations96