Inventor
SCHWEITZER JR EDMUND O
US54 patents
⚠️ This page may combine multiple inventors who share the name “SCHWEITZER JR EDMUND O”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHWEITZER EDMUND O JUN
33 patentsUS5220311AJun 15, 1993
Direction indicating fault indicators
SCHWEITZER EDMUND O JUN101 citations96
US4795982AJan 3, 1989
Fault indicator having delayed trip circuit
SCHWEITZER EDMUND O JUN71 citations96
US4794332ADec 27, 1988
Fault indicator having improved trip inhibit circuit
SCHWEITZER EDMUND O JUN66 citations96
US4794331ADec 27, 1988
Circuit condition monitoring system having integral test point
SCHWEITZER EDMUND O JUN73 citations96
US4495489AJan 22, 1985
Fault indicator with improved flag indicator assembly
SCHWEITZER EDMUND O JUN66 citations96
US4456873AJun 26, 1984
Cable mounted magnetic core assembly
SCHWEITZER EDMUND O JUN84 citations96
US4438403AMar 20, 1984
Fault indicator with combined trip and reset winding
SCHWEITZER EDMUND O JUN75 citations96
US4034360AJul 5, 1977
System for disabling the reset circuit of fault indicating means
SCHWEITZER EDMUND O JUN77 citations96
US5363088ANov 8, 1994
Voltage monitor for alternating current power system
SCHWEITZER EDMUND O JUN22 citations93
US5274324ADec 28, 1993
Hot line mountable hotline indicator having liquid crystal display with resettable memory function
SCHWEITZER EDMUND O JUN41 citations93
US5180972AJan 19, 1993
Housing including biasing springs extending between clamp arms for cable mounted power line monitoring device
SCHWEITZER EDMUND O JUN45 citations93
US5153565AOct 6, 1992
Fault indicator having electrostatically-actuated indicator flag
SCHWEITZER EDMUND O JUN33 citations93
US5077520ADec 31, 1991
High impedance voltage indicator having capacitive voltage divider
SCHWEITZER EDMUND O JUN49 citations93
US5070301ADec 3, 1991
Fault indicator having liquid crystal status display
SCHWEITZER EDMUND O JUN40 citations93
US5008651AApr 16, 1991
Battery-powered fault indicator
SCHWEITZER EDMUND O JUN46 citations93
US4794329ADec 27, 1988
Cable mounted capacitively-coupled circuit condition indicating device
SCHWEITZER EDMUND O JUN41 citations93
US4706016ANov 10, 1987
Surge detector having distributed line inductance pickup
SCHWEITZER EDMUND O JUN39 citations93
US4686518AAug 11, 1987
Fault indicator having trip inhibit circuit
SCHWEITZER EDMUND O JUN51 citations93
US4646006AFeb 24, 1987
Clamp mechanism for power line mounted monitoring device
SCHWEITZER EDMUND O JUN35 citations93
US4536758AAug 20, 1985
Fault indicator with push button reset
SCHWEITZER EDMUND O JUN35 citations93
US4458198AJul 3, 1984
Fault indicator having a remote test point at which fault occurrence is indicated by change in magnetic state
SCHWEITZER EDMUND O JUN50 citations93
US4424512AJan 3, 1984
Fault indicator having increased sensitivity to fault currents
SCHWEITZER EDMUND O JUN39 citations93
US4414543ANov 8, 1983
Ground fault indicator
SCHWEITZER EDMUND O JUN41 citations93
US4375617AMar 1, 1983
Fault indicator with flux concentrating means
SCHWEITZER EDMUND O JUN47 citations93
US4263550AApr 21, 1981
Test point mounted circuit condition indicator
SCHWEITZER EDMUND O JUN40 citations93
US4251770AFeb 17, 1981
Combined fault and voltage indicator
SCHWEITZER EDMUND O JUN39 citations93
US4165528AAug 21, 1979
Fault indicator and means for resetting same
SCHWEITZER EDMUND O JUN38 citations93
US4063171ADec 13, 1977
Fault indicator responsive to flow of fault current in a conductor when power flow is in one direction only
SCHWEITZER EDMUND O JUN44 citations93
US4045726AAug 30, 1977
Tool for manually tripping a fault indicator for high voltage electric power circuits and resetting same
SCHWEITZER EDMUND O JUN35 citations93
US3991366ANov 9, 1976
Means for indicating abnormal high current flow in a high voltage electric power distribution conductor and for resetting and testing same
SCHWEITZER EDMUND O JUN34 citations93
US4873706AOct 10, 1989
Electromechanical pulse counter
SCHWEITZER EDMUND O JUN23 citations82
US4086529AApr 25, 1978
Fault indicator and means for resetting the same
SCHWEITZER EDMUND O JUN28 citations82
US3974446AAug 10, 1976
Polyphase fault current flow detecting and resetting means
SCHWEITZER EDMUND O JUN27 citations82
(unassigned)
10 patentsUS6429661B1Aug 6, 2002
Fault indicator for three-phase sheathed cable
60 citations96
US5420502AMay 30, 1995
Fault indicator with optically-isolated remote readout circuit
65 citations96
US6211764B1Apr 3, 2001
Waterproof current transformer
33 citations93
US6014301AJan 11, 2000
Fault indicator providing contact closure on fault detection
37 citations93
US5889399AMar 30, 1999
Test-point mounted fault indicator having immunity to fault currents in adjacent conductors
44 citations93
US5821869AOct 13, 1998
Fault indicator for use with load-break connector
30 citations93
US5729125AMar 17, 1998
Bridged clamping mechanism for use with circuit condition monitoring devices
32 citations93
US5677623AOct 14, 1997
Fault powered fault indicator having timed reset
25 citations93
US5677678AOct 14, 1997
Fault indicator having auxiliary fault sensing winding
38 citations93
US5406195AApr 11, 1995
Phase-to-phase voltage monitor for three-phase power distribution system
24 citations93
E O SCHWEITZER MANUFACTURING C
3 patentsUS6016105AJan 18, 2000
Fault indicator providing contact closure and light indication on fault detection
E O SCHWEITZER MANUFACTURING C81 citations96
US4904932AFeb 27, 1990
Circuit condition monitor with integrally molded test point socket and capacitive coupling
E O SCHWEITZER MANUFACTURING C117 citations96
US6043433AMar 28, 2000
Cable clamp with universal positioning
E O SCHWEITZER MANUFACTURING C49 citations92
E O SCHWEITZER MFG CO
2 patentsSCHWEITZER MFG CO E
1 patentE O SCHWEITZER MANFACTURING CO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.