Assignee
ZIRCON CORP
US·92 granted patents·2 pending applications·2,875 citations·filing 1991–2025
Top patents by PatentIndex Score
94 records- 0197US5640168AUltra wide-band radar antenna for concrete penetrationZIRCON CORP·Filed 1995·Granted Jun 17, 1997·254 cites·13 claims
- 0296US5619128AStud sensor with over-stud miscalibration via circuit which stores an initial calibration density, compares that to a current test density and outputs result via indicatorZIRCON CORP·Filed 1994·Granted Apr 8, 1997·101 cites·7 claims
- 0394US11927714B2Scanner for differentiating objects behind an opaque surfaceZIRCON CORP·Filed 2021·Granted Mar 12, 2024·3 cites·20 claims
- 0494US6198271B1Electronic wall-stud sensor displayZIRCON CORP·Filed 1999·Granted Mar 6, 2001·118 cites·4 claims
- 0593US5917314AElectronic wall-stud sensor with three capacitive elementsZIRCON CORP·Filed 1996·Granted Jun 29, 1999·98 cites·11 claims
- 0693US5352974AStud sensor with digital averager and dual sensitivityZIRCON CORP·Filed 1992·Granted Oct 4, 1994·84 cites·21 claims
- 0792USD455750SHand-held scanning toolZIRCON CORP·Filed 2000·Granted Apr 16, 2002·49 cites·1 claims
- 0892USD419546SHand held scanning toolZIRCON CORP·Filed 1998·Granted Jan 25, 2000·49 cites·1 claims
- 0991US11131786B2Scanner for detecting objects behind an opaque surfaceZIRCON CORP·Filed 2019·Granted Sep 28, 2021·5 cites·16 claims
- 1091US6259241B1Projected display for portable sensor indicating the location of a detected hidden object behind a surfaceZIRCON CORP·Filed 1999·Granted Jul 10, 2001·115 cites·51 claims
- 1190US6023159AStud sensor with dual sensitivityZIRCON CORP·Filed 1996·Granted Feb 8, 2000·89 cites·3 claims
- 1289US7212014B2Stud sensor with floating headZIRCON CORP·Filed 2005·Granted May 1, 2007·27 cites·20 claims
- 1389US6249113B1Hand held sensor and displayZIRCON CORP·Filed 1998·Granted Jun 19, 2001·115 cites·21 claims
- 1488USD419545SHand held scanning tool casingZIRCON CORP·Filed 1998·Granted Jan 25, 2000·36 cites·1 claims
- 1587USD455430SHand-held scanning toolZIRCON CORP·Filed 2000·Granted Apr 9, 2002·35 cites·1 claims
- 1687US5543799ASwept range gate radar system for detection of nearby objectsZIRCON CORP·Filed 1994·Granted Aug 6, 1996·74 cites·15 claims
- 1787US5313713AElectronic level with display scale and audible tone scaleZIRCON CORP·Filed 1992·Granted May 24, 1994·70 cites·25 claims
- 1886US6291970B1Device for reverse polarization protection for a batteryZIRCON CORP·Filed 2000·Granted Sep 18, 2001·35 cites·13 claims
- 1986USD418432SLaser levelZIRCON CORP·Filed 1998·Granted Jan 4, 2000·30 cites·1 claims
- 2085US5900833AImaging radar suitable for material penetrationZIRCON CORP·Filed 1997·Granted May 4, 1999·141 cites·29 claims
- 2185US5729143AMetal detector with nulling of imbalanceZIRCON CORP·Filed 1996·Granted Mar 17, 1998·95 cites·14 claims
- 2284US9508244B2Sensor with a radiant indicatorZIRCON CORP·Filed 2014·Granted Nov 29, 2016·6 cites·20 claims
- 2384US5854603AUltra-wideband swept range gate radar system with variable transmitter delayZIRCON CORP·Filed 1997·Granted Dec 29, 1998·57 cites·15 claims
- 2484US5252682ACationically initiated curable resin systemZIRCON CORP·Filed 1992·Granted Oct 12, 1993·43 cites·8 claims
- 2582USD427166SGrip portion of hand held scanning toolZIRCON CORP·Filed 1998·Granted Jun 27, 2000·24 cites·1 claims
- 2680US7116091B2Ratiometric stud sensingZIRCON CORP·Filed 2004·Granted Oct 3, 2006·45 cites·37 claims
- 2780US6933712B2Electrical circuit tracing and identifying apparatus and methodZIRCON CORP·Filed 2002·Granted Aug 23, 2005·31 cites·30 claims
- 2879US6922063B2Apparatus and method for capacitive level sensorZIRCON CORP·Filed 2003·Granted Jul 26, 2005·37 cites·23 claims
- 2977US12265193B2Mapping objects behind an opaque surface using signal densityZIRCON CORP·Filed 2024·Granted Apr 1, 2025·0 cites·20 claims
- 3077US6989662B2Sensor auto-recalibrationZIRCON CORP·Filed 2004·Granted Jan 24, 2006·38 cites·20 claims
- 3177US6829834B1Multi-angle self-leveling line generationZIRCON CORP·Filed 2003·Granted Dec 14, 2004·33 cites·31 claims
- 3277USD418763SLaser alignment toolZIRCON CORP·Filed 1998·Granted Jan 11, 2000·20 cites·1 claims
- 3377US5905455ADual transmitter visual display systemZIRCON CORP·Filed 1997·Granted May 18, 1999·80 cites·15 claims
- 3476US5541605ASwept range gate short range radar systemZIRCON CORP·Filed 1995·Granted Jul 30, 1996·55 cites·7 claims
- 3576US5488779AElectronic level with stereo sound indicationZIRCON CORP·Filed 1994·Granted Feb 6, 1996·42 cites·11 claims
- 3675USD418434SBase for a laser levelZIRCON CORP·Filed 1998·Granted Jan 4, 2000·18 cites·1 claims
- 3774US7174647B2Laser line projector with spherically rotatable support and level/plumb indicators for the supportZIRCON CORP·Filed 2005·Granted Feb 13, 2007·14 cites·30 claims
- 3874US7148703B2Auto-deep scan for capacitive sensingZIRCON CORP·Filed 2004·Granted Dec 12, 2006·34 cites·14 claims
- 3974US6037874AElectronic level with laser inclination indicatorZIRCON CORP·Filed 1998·Granted Mar 14, 2000·70 cites·17 claims
- 4073US9475185B2Hand tool having a pivot grip for sensing measurements behind a target surfaceZIRCON CORP·Filed 2013·Granted Oct 25, 2016·4 cites·22 claims
- 4172US9589431B2Dynamic information projection for a wall sensorZIRCON CORP·Filed 2013·Granted Mar 7, 2017·4 cites·6 claims
- 4272US5452522ACalibrated bevel square with integrated electronic level and plumbZIRCON CORP·Filed 1994·Granted Sep 26, 1995·31 cites·13 claims
- 4371USD860994SHandheld scannerZIRCON CORP·Filed 2018·Granted Sep 24, 2019·12 cites·1 claims
- 4470US5956260AElectronic level displaying inclination having digital and analog displaysZIRCON CORP·Filed 1996·Granted Sep 21, 1999·49 cites·2 claims
- 4570US5592745AElectronic level displaying inclination with regard to instrument lengthZIRCON CORP·Filed 1993·Granted Jan 14, 1997·26 cites·9 claims
- 4669US10234589B2Surface marking toolZIRCON CORP·Filed 2015·Granted Mar 19, 2019·1 cites·20 claims
- 4769USD609590SHand held toolZIRCON CORP·Filed 2008·Granted Feb 9, 2010·15 cites·1 claims
- 4869US7204901B2Low cost process for manufacture of hurricane resistant, glass, impact resistant unitsZIRCON CORP·Filed 2004·Granted Apr 17, 2007·15 cites·22 claims
- 4969US5773971AThree electrode AC detectionZIRCON CORP·Filed 1996·Granted Jun 30, 1998·48 cites·9 claims
- 5069US5594669AElectronic fence post levelZIRCON CORP·Filed 1994·Granted Jan 14, 1997·31 cites·12 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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