Inventor · disambiguated record
Charles E. Heger
Also filed as: HEGER CHARLES E
28 granted patents·3 pending applications·1,720 citations·filing 1991–2012
98Inventor score
Top patents by PatentIndex Score
31 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
- 0394US6198271B1Electronic wall-stud sensor displayZIRCON CORP·Filed 1999·Granted Mar 6, 2001·118 cites·4 claims
- 0493US7318344B2Wireless swimming pool water level systemHEGER RES LLC·Filed 2003·Granted Jan 15, 2008·57 cites·24 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
- 0790US6023159AStud sensor with dual sensitivityZIRCON CORP·Filed 1996·Granted Feb 8, 2000·89 cites·3 claims
- 0887US6568264B2Wireless swimming pool water level systemFiled 2001·Granted May 27, 2003·31 cites·12 claims
- 0987US5543799ASwept range gate radar system for detection of nearby objectsZIRCON CORP·Filed 1994·Granted Aug 6, 1996·74 cites·15 claims
- 1087US5313713AElectronic level with display scale and audible tone scaleZIRCON CORP·Filed 1992·Granted May 24, 1994·70 cites·25 claims
- 1185US5900833AImaging radar suitable for material penetrationZIRCON CORP·Filed 1997·Granted May 4, 1999·141 cites·29 claims
- 1284US5854603AUltra-wideband swept range gate radar system with variable transmitter delayZIRCON CORP·Filed 1997·Granted Dec 29, 1998·57 cites·15 claims
- 1382US5083383AElectronic capacitance level with automatic electrode selectionZIRCON INT INC·Filed 1991·Granted Jan 28, 1992·58 cites·9 claims
- 1479US6922063B2Apparatus and method for capacitive level sensorZIRCON CORP·Filed 2003·Granted Jul 26, 2005·37 cites·23 claims
- 1577US6989662B2Sensor auto-recalibrationZIRCON CORP·Filed 2004·Granted Jan 24, 2006·38 cites·20 claims
- 1677US5905455ADual transmitter visual display systemZIRCON CORP·Filed 1997·Granted May 18, 1999·80 cites·15 claims
- 1776US5541605ASwept range gate short range radar systemZIRCON CORP·Filed 1995·Granted Jul 30, 1996·55 cites·7 claims
- 1876US5488779AElectronic level with stereo sound indicationZIRCON CORP·Filed 1994·Granted Feb 6, 1996·42 cites·11 claims
- 1970US5956260AElectronic level displaying inclination having digital and analog displaysZIRCON CORP·Filed 1996·Granted Sep 21, 1999·49 cites·2 claims
- 2070US5592745AElectronic level displaying inclination with regard to instrument lengthZIRCON CORP·Filed 1993·Granted Jan 14, 1997·26 cites·9 claims
- 2169US5594669AElectronic fence post levelZIRCON CORP·Filed 1994·Granted Jan 14, 1997·31 cites·12 claims
- 2266US5479715AElectronic level displaying inclination using a multi-segment fan-like displayZIRCON CORP·Filed 1994·Granted Jan 2, 1996·28 cites·14 claims
- 2364US7181853B2Modular laser layout systemZIRCON CORP·Filed 2003·Granted Feb 27, 2007·18 cites·31 claims
- 2461US6100839AEnhanced impulse radar systemZIRCON CORP·Filed 1999·Granted Aug 8, 2000·36 cites·8 claims
- 2561US5896102ASwept range gate radar system for detection of nearby objectsZIRCON CORP·Filed 1997·Granted Apr 20, 1999·29 cites·4 claims
- 2659US7714567B2Power cable magnetic field sensorHEGER RES LLC·Filed 2008·Granted May 11, 2010·3 cites·21 claims
- 2753US5259118AElectronic capacitive level with display showing direction of rotation to achieve level/plumbZIRCON CORP·Filed 1991·Granted Nov 9, 1993·16 cites·6 claims
- 2851US2013068255A1Automated dust collection systemHEGER CHARLES E·Filed 2012·Application pending·0 cites
- 2938US2008297158A1Gradiometric Directional Metal DetectorZIRCON CORP·Filed 2007·Application pending·0 cites
- 3036US7671576B2Ratiometric AC wire tracerZIRCON CORP·Filed 2009·Granted Mar 2, 2010·0 cites·24 claims
- 3133US2001010460A1Method for locating energized electric conductorFiled 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Charles E. Heger files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →