DE

David G. Elpern

AL Alliedsignal: 5 patents #294 of 2,631Top 15%
HO Honeywell: 5 patents #2,263 of 14,447Top 20%
TT The Access Technologies: 4 patents #2 of 18Top 15%
BL Bendix Limited: 2 patents #133 of 548Top 25%
GA Garrett: 2 patents #51 of 266Top 20%
📍 Los Angeles, CA: #591 of 12,377 inventorsTop 5%
🗺 California: #32,725 of 386,348 inventorsTop 9%
Overall (All Time): #256,297 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9605540 Alternating nozzles for radial inflow turbine Frank Lin, Davis Jensen, Marshall Saville, Phil McAfee 2017-03-28
8376690 Three bearing flexible shaft for high speed turbomachinery Marshall Saville 2013-02-19
7988426 Compressor ported shroud for foil bearing cooling Niall McCabe, Mark Gee 2011-08-02
7502717 Method for predicting air cycle machine turbine ice formation and shedding and journal bearing wear Sunil Menon, Alex Morando, Girija Parthasarathy, Jon E. Schryver 2009-03-10
7165936 Adjustable flow turbine nozzle 2007-01-23
6282931 Electrically operated actuator and method Scott Padiak, David C. Brown, Robb Allan Peebles, Paul C. Evans, Stephen R. Elpern +2 more 2001-09-04
6089058 Method for retrofitting a deadbolt assembly with an electrically operated actuator Stephen R. Elpern, Allen C. Ward, Walid Habib, Paul C. Evans, Scott Padiak +2 more 2000-07-18
6017184 Turbocharger integrated bearing system Scott Aguilar, Peter John Hebben, Lloyd Bill Jensen, Steven Walter Coleman, Sunhil Nandan Sahay +3 more 2000-01-25
5979199 Electrically operated actuator Stephen R. Elpern, Allen C. Ward, Walid Habib, Paul C. Evans, Scott Padiak +2 more 1999-11-09
5896769 Electrically operated actuator Stephen R. Elpern, Allen C. Ward, Walid Habib, Paul C. Evans, Scott Padiak 1999-04-27
5487273 Turbocharger having pneumatic actuator with pilot valve James E. Blake 1996-01-30
RE34276 Turbocharger bearing and lubrication system Jerry Glaser 1993-06-08
5172552 Turbocharger with flexible cable wastegate operating linkage Glenn G. Gaba 1992-12-22
4798523 Turbocharger bearing and lubrication system Jerry Glaser 1989-01-17
4717318 Turbocharger heat transfer control method and apparatus 1988-01-05
4656834 Electronic turbocharger control 1987-04-14
4446837 Pressure regulator-accumulator for use with mechanical diaphragm pump 1984-05-08
4372271 Single point intermittent flow fuel injection Gary L. Casey 1983-02-08