AF

Allan J. Ferrenberg

📍 Calabasas, CA: #752 of 4,119 inventorsTop 20%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,043,140 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6668809 Stationary regenerator, regenerated, reciprocating engine Alvin Lowi, Jr. 2003-12-30
5632255 Regenerated engine with an improved heating stroke 1997-05-27
5465702 Regenerated engine with improved heating and cooling strokes 1995-11-14
4928658 Regenerative internal combustion engine William T. Webber 1990-05-29
4790284 Regenerative internal combustion engine William T. Webber 1988-12-13