P

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 patents
US5220311AJun 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 patents

E O SCHWEITZER MANUFACTURING C

3 patents

E O SCHWEITZER MFG CO

2 patents

SCHWEITZER MFG CO E

1 patent

E O SCHWEITZER MANFACTURING CO

1 patent

Showing the top 50 of 54 patents by PatentIndex Score.