Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383429 | Hypereutectic aluminum-silicon alloy connecting rod for a two-cycle internal combustion engine | Raymond J. Donahue, Terry D. Stinson | 1995-01-24 |
| 5355931 | Method of expendable pattern casting using sand with specific thermal properties | Raymond J. Donahue, William G. Hesterberg, Terry C. Holmgren | 1994-10-18 |
| 5355930 | Method of expendable pattern casting of hypereutectic aluminum-silicon alloys using sand with specific thermal properties | Raymond J. Donahue, William G. Hesterberg, Terry C. Holmgren | 1994-10-18 |
| 5303682 | Cylinder bore liner and method of making the same | Raymond J. Donahue, William G. Hesterberg, Lawrence I. Toriello | 1994-04-19 |
| 5290373 | Evaporable foam casting system utilizing an aluminum-silicon alloy containing a high magnesium content | Raymond J. Donahue, William G. Hesterberg | 1994-03-01 |
| 5253625 | Internal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistons | Raymond J. Donahue, Benjamin L. Sheaffer | 1993-10-19 |
| 5234514 | Hypereutectic aluminum-silicon alloy having refined primary silicon and a modified eutectic | Raymond J. Donahue, William G. Hesterberg | 1993-08-10 |
| 5165464 | Method of casting hypereutectic aluminum-silicon alloys using a salt core | Raymond J. Donahue, William G. Hesterberg, Lawrence I. Toriello | 1992-11-24 |
| 5038847 | Evaporable foam pattern for use in casting a crankshaft | Raymond J. Donahue, William G. Hesterberg | 1991-08-13 |
| 5009260 | Vacuum lift foam filled casting system | Raymond J. Donahue, William G. Hesterberg, Lawrence I. Toriello | 1991-04-23 |
| 4969428 | Hypereutectic aluminum silicon alloy | Raymond J. Donahue, William G. Hesterberg | 1990-11-13 |
| 4966220 | Evaporable foam casting system utilizing a hypereutectic aluminum-silicon alloy | William G. Hesterberg, Raymond J. Donahue | 1990-10-30 |
| 4964973 | Method and apparatus for producing titanium | Raymond J. Donahue, William G. Hsterberg | 1990-10-23 |
| 4875985 | Method and appparatus for producing titanium | Raymond J. Donahue, William G. Hesterberg | 1989-10-24 |
| 4875517 | Method of producing salt cores for use in die casting | Raymond J. Donahue, Frederick M. Hauenstein, Daniel H. Marcellis | 1989-10-24 |
| 4858671 | Method and apparatus for accelerating metal solidification | William G. Hesterberg | 1989-08-22 |
| 4830085 | Vacuum lift foam filled casting system | Raymond J. Donahue, William G. Hesterberg, Lawrence I. Toriello | 1989-05-16 |
| 4787434 | Vacuum lift foam filled casting system | Raymond J. Donahue, William G. Hesterberg, Lawrence I. Toriello | 1988-11-29 |