Inventor · disambiguated record
John Engelhardt
Also filed as: ENGELHARDT JOHN · ENGELHARDT JOHN S
7 granted patents·409 citations·filing 1974–2008
88Inventor score
Top patents by PatentIndex Score
7 records- 0196US7733094B2Electrical instrument platform for mounting on and removal from an energized high voltage power conductorUNDERGROUND SYSTEMS INC·Filed 2005·Granted Jun 8, 2010·244 cites·10 claims
- 0290US8497781B2Power supply and communications controllerENGELHARDT JOHN·Filed 2005·Granted Jul 30, 2013·32 cites·3 claims
- 0387US6262375B1Room temperature dielectric HTSC cableELECTRIC POWER RES INST·Filed 1992·Granted Jul 17, 2001·77 cites·12 claims
- 0485USRE44256EElectrical instrument platform for mounting on and removal from an energized high voltage power conductorFISH LARRY·Filed 2005·Granted Jun 4, 2013·17 cites·12 claims
- 0583US7641387B2Power line temperature and sag monitor systemUNDERGROUND SYSTEMS INC·Filed 2008·Granted Jan 5, 2010·16 cites·8 claims
- 0676US7504819B2Dynamic line rating system with real-time tracking of conductor creep to establish the maximum allowable conductor loading as limited by clearanceUNDERGROUND SYSTEMS INC·Filed 2007·Granted Mar 17, 2009·11 cites·9 claims
- 0760US3964315AApparatus including novel bridge circuitANACONDA CO·Filed 1974·Granted Jun 22, 1976·12 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when John Engelhardt 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 →