DL

David Thomas Lepley

PT Prometheus Applied Technologies: 3 patents #3 of 6Top 50%
HG Hoerbiger Kompressortechnik Holding Gmbh: 1 patents #20 of 43Top 50%
Overall (All Time): #1,163,239 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10550820 Time-varying spark current magnitude to improve spark plug performance and durability Luigi P. Tozzi, Maria-Emmanuella Sotiropoulou, Joseph M. Lepley, Steven B. Pirko 2020-02-04
10208651 Lean-burn pre-combustion chamber Luigi P. Tozzi, Maria-Emmanuella Sotiropoulou, Greg Beshouri 2019-02-19
10138799 Two-stage precombustion chamber for large bore gas engines Luigi P. Tozzi, Maria-Emmanuella Sotiropoulou 2018-11-27
9429132 Capacitive ignition system with ion-sensing and suppression of AC ringing Joseph M. Lepley, Steven B. Pirko, Arno Gschirr 2016-08-30