Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232042 | Mold for casting metal ingot sows and method | Alvaro Giron, Ho Yu | 1993-08-03 |
| 4882831 | Method of producing aircraft plate and sheet | Ho Yu, Robert A. Ramser | 1989-11-28 |
| 4869870 | Aluminum-lithium alloys with hafnium | Roberto J. Rioja, Philip E. Bretz | 1989-09-26 |
| 4832910 | Aluminum-lithium alloys | Roberto J. Rioja, Philip E. Bretz | 1989-05-23 |
| 4724887 | Direct chill casting of lithium-containing alloys | Ho Yu, Robert A. Ramser | 1988-02-16 |
| 4709740 | Direct chill casting of aluminum-lithium alloys | Ho Yu, Robert A. Ramser | 1987-12-01 |
| 4628985 | Lithium alloy casting | Joseph T. Laemmle, Mei-Yuan Tsai | 1986-12-16 |
| 4610295 | Direct chill casting of aluminum-lithium alloys | Ho Yu, Robert A. Ramser | 1986-09-09 |
| 4607679 | Providing oligomer moisture barrier in direct chill casting of aluminum-lithium alloy | Mei-Yuan Tsai, Joseph T. Laemmle | 1986-08-26 |
| 4602670 | Lubricating process | Joseph T. Laemmle, Mei-Yuan Tsai | 1986-07-29 |
| 4593745 | Fire retardant continuous casting process | Ho Yu, Robert A. Ramser | 1986-06-10 |
| 4582118 | Direct chill casting under protective atmosphere | Ho Yu, Robert A. Ramser | 1986-04-15 |
| 4556535 | Production of aluminum-lithium alloy by continuous addition of lithium to molten aluminum stream | Kenneth A. Bowman, Kellen M. Finn | 1985-12-03 |