Inventor · disambiguated record
Thomas C. Marrs
Also filed as: MARRS THOMAS C
15 granted patents·97 citations·filing 1986–2024
90Inventor score
Top patents by PatentIndex Score
15 records- 0191US9784232B1Forced frequency ignition system for an internal combustion engineMARSHALL ELECTRIC CORP·Filed 2016·Granted Oct 10, 2017·4 cites·17 claims
- 0291US7594489B1High voltage extenderMARSHALL ELECTRIC CORP·Filed 2007·Granted Sep 29, 2009·16 cites·8 claims
- 0390US10385819B2Multi-strike ignition system for an internal combustion engineMARSHALL ELECTRIC CORP·Filed 2017·Granted Aug 20, 2019·4 cites·11 claims
- 0482US10008830B2High-voltage extender for connecting a spark plug to a high-voltage sourceMARSHALL ELECTRIC CORP·Filed 2017·Granted Jun 26, 2018·2 cites·19 claims
- 0582US6328025B1Ignition coil with driverFiled 2000·Granted Dec 11, 2001·22 cites·21 claims
- 0671US12494622B2Ignition system using push-pull transformerMARSHALL ELECTRIC CORP·Filed 2024·Granted Dec 9, 2025·0 cites·9 claims
- 0771US6135099AIgnition system for an internal combustion engineMARRS THOMAS C·Filed 1999·Granted Oct 24, 2000·22 cites·29 claims
- 0867US10107251B2Ignition coil having a winding formMARSHALL ELECTRIC CORP·Filed 2016·Granted Oct 23, 2018·1 cites·14 claims
- 0965US6112730AIgnition system with clamping circuit for use in an internal combustion engineMARRS THOMAS C·Filed 1999·Granted Sep 5, 2000·19 cites·19 claims
- 1060US10066593B2Electronic spark timing control system for an AC ignition systemMARSHALL ELECTRIC CORP·Filed 2017·Granted Sep 4, 2018·0 cites·19 claims
- 1158US11380479B2High voltage ignition coil with improved insulating characteristicsMARSHALL ELECTRIC CORP·Filed 2019·Granted Jul 5, 2022·0 cites·14 claims
- 1257US10082123B2Electronic spark timing control system for an AC ignition systemMARSHALL ELECTRIC CORP·Filed 2017·Granted Sep 25, 2018·0 cites·7 claims
- 1352US9923300B2Semi-rigid high-voltage extenderMARSHALL ELECTRIC CORP·Filed 2016·Granted Mar 20, 2018·1 cites·17 claims
- 1446US10050418B2Ignition coil for passing alternating current to a spark plugMARSHALL ELECTRIC CORP·Filed 2015·Granted Aug 14, 2018·0 cites·15 claims
- 1534US4684912AWinding form for high voltage transformerMARSHALL ELECTRIC CORP·Filed 1986·Granted Aug 4, 1987·6 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Thomas C. Marrs 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 →