David Thomas Lepley

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Girard, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Time-varying spark current magnitude to improve spark plug performa...
- Patent number 10,550,820
- Issue date Feb 4, 2020
- Prometheus Applied Technologies, LLC
- Luigi P. Tozzi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lean-burn pre-combustion chamber
- Patent number 10,208,651
- Issue date Feb 19, 2019
- Prometheus Applied Technologies, LLC
- Luigi P. Tozzi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-stage precombustion chamber for large bore gas engines
- Patent number 10,138,799
- Issue date Nov 27, 2018
- Prometheus Applied Technologies, LLC
- Luigi P. Tozzi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Capacitive ignition system with ion-sensing and suppression of AC r...
- Patent number 9,429,132
- Issue date Aug 30, 2016
- Hoerbiger Kompressortechnik Holding GmbH
- Joseph M Lepley
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES
- Publication number 20180038270
- Publication date Feb 8, 2018
- PROMETHEUS APPLIED TECHNOLOGIES, LLC
- Luigi P. Tozzi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Lean-Burn Pre-Combustion Chamber
- Publication number 20170226922
- Publication date Aug 10, 2017
- PROMETHEUS APPLIED TECHNOLOGIES, LLC
- Luigi P. Tozzi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Time-varying Spark Current Magnitude to Improve Spark Plug Performa...
- Publication number 20140076274
- Publication date Mar 20, 2014
- PROMETHEUS APPLIED TECHNOLOGIES, LLC
- Luigi P. Tozzi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
TWO-STAGE PRECOMBUSTION CHAMBER FOR LARGE BORE GAS ENGINES
- Publication number 20140060479
- Publication date Mar 6, 2014
- Luigi P. Tozzi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS