Assignee
LANDIS & GYR METERING INC
US·14 granted patents·677 citations·filing 1987–1993
Top patents by PatentIndex Score
14 records- 0193US5343143AShielded current sensing device for a watthour meterLANDIS & GYR METERING INC·Filed 1992·Granted Aug 30, 1994·112 cites·25 claims
- 0287US4902964AProgram clock for an electronic demand register with automatic calibration based on sensed line frequencyLANDIS & GYR METERING INC·Filed 1987·Granted Feb 20, 1990·55 cites·9 claims
- 0387US4896106AWatthour meter for wye connected systemsLANDIS & GYR METERING INC·Filed 1987·Granted Jan 23, 1990·62 cites·7 claims
- 0486US5270639ATime of use register for use with a utility meterLANDIS & GYR METERING INC·Filed 1993·Granted Dec 14, 1993·71 cites·12 claims
- 0582US5066906ATime of use register for use with a utility meterLANDIS & GYR METERING INC·Filed 1989·Granted Nov 19, 1991·52 cites·10 claims
- 0682US5049810AWatt-hour meter cover with battery hatch reset switch and optical communication portLANDIS & GYR METERING INC·Filed 1989·Granted Sep 17, 1991·38 cites·11 claims
- 0781US5298857AElectrical energy meter with a precision integrator for current measurementLANDIS & GYR METERING INC·Filed 1992·Granted Mar 29, 1994·48 cites·20 claims
- 0880US5231347APower factor matching in an AC power meterLANDIS & GYR METERING INC·Filed 1992·Granted Jul 27, 1993·51 cites·19 claims
- 0980US4887028AWatthour meter with isolation transformers having a feedback loopLANDIS & GYR METERING INC·Filed 1987·Granted Dec 12, 1989·45 cites·12 claims
- 1078US4998061AWatthour meter with temperature compensation for wye connected systemsLANDIS & GYR METERING INC·Filed 1989·Granted Mar 5, 1991·37 cites·3 claims
- 1173US5296803AWatt-hour meter cover with battery hatch/reset switch and optical communication portLANDIS & GYR METERING INC·Filed 1992·Granted Mar 22, 1994·32 cites·11 claims
- 1270US4987363AElectric energy meter with power outage recovery circuitLANDIS & GYR METERING INC·Filed 1989·Granted Jan 22, 1991·33 cites·15 claims
- 1358US5158476AModular strain relief device for electrical connectorsLANDIS & GYR METERING INC·Filed 1992·Granted Oct 27, 1992·23 cites·15 claims
- 1449US4843306AReplaceable resistors for calibrating a watthour meterLANDIS & GYR METERING INC·Filed 1987·Granted Jun 27, 1989·18 cites·5 claims
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