Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8534241 | CAM plate bearings for barrel engine | — | 2013-09-17 |
| 8522732 | Flywheel for barrel engine | — | 2013-09-03 |
| 8056542 | Intake system for a barrel internal combustion engine | — | 2011-11-15 |
| 8015956 | Piston assembly for barrel engine | Michael Hold | 2011-09-13 |
| 7870669 | Multi-axially forged piston | Carmo Ribeiro, Richard R. Gofton, Hongsheng Lin | 2011-01-18 |
| 7581518 | Coaxial oil pump for barrel engines | — | 2009-09-01 |
| 7409932 | Sliding joint for variable compression ratio device | — | 2008-08-12 |
| 7143685 | Monobloc piston having open floor | Xiluo Zhu | 2006-12-05 |
| 7024981 | Wrist pin | Roberto Bueno Nigro, Eduardo Matsuo, Eric Highum | 2006-04-11 |
| 7005620 | Piston and method of manufacture | Carmo Ribeiro, Thomas Egerer | 2006-02-28 |
| 6990890 | Monobloc piston having open floor | Xiluo Zhu | 2006-01-31 |
| 6862976 | Monobloc piston | Xiluo Zhu, Roberto Bueno Nigro | 2005-03-08 |
| 6840155 | Multi-axially forged piston | Carmo Ribeiro, Richard R. Gofton, Hongsheng Lin | 2005-01-11 |
| 6825450 | Piston and method of manufacture | Carmo Ribeiro, Thomas Egerer | 2004-11-30 |
| 6588320 | Piston having uncoupled skirt | Xiluo Zhu | 2003-07-08 |
| 6557514 | Closed gallery monobloc piston having oil drainage groove | — | 2003-05-06 |
| 6539910 | Closed gallery piston having con rod lubrication | Carmo Ribeiro, Eduardo Matsuo | 2003-04-01 |
| 6526871 | Monobloc piston for diesel engines | Xiluo Zhu | 2003-03-04 |
| 6513477 | Closed gallery piston having pin bore lubrication | Carmo Ribeiro, Eduardo Matsuo | 2003-02-04 |
| 6491013 | Closed gallery piston having reinforced oil hole | Carmo Ribeiro, Eduardo Matsuo | 2002-12-10 |
| 5836846 | Electric swashplate actuator for stirling engine | Lubomyr O. Hewko, David Bryan Hanes | 1998-11-17 |
| 5813229 | Pressure relief system for stirling engine | — | 1998-09-29 |