Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9504944 | Bn or Y2O3 coated ceramic filters used in filtration of aluminum—lithium alloys and reactive alloys | Feng Chi, Lucas Damoah | 2016-11-29 |
| 9458523 | Corrosion resistant glass coating applied to ceramic foam used to filter molten aluminum | Rudolph A. Olson, III, Matthew W. Willer | 2016-10-04 |
| 8518528 | Low expansion corrosion resistant ceramic foam filters for molten aluminum filtration | Feng Chi, David P. Haack | 2013-08-27 |
| 8486176 | Method for filtering molten aluminum and molten aluminum alloys | — | 2013-07-16 |
| 8202346 | Porous reticulated metal foam for filtering molten magnesium | — | 2012-06-19 |
| 7718114 | Ceramic foam filter for better filtration of molten iron | Rudolph A. Olson, III, Feng Chi, Christopher J. Plantec, Myron K. Redden, David P. Haack | 2010-05-18 |
| 7585455 | Compact micro-porous media degasser | — | 2009-09-08 |
| 7547409 | Compact micro-porous media degasser | — | 2009-06-16 |
| 6977058 | Inoculant-strainer with improved filtration effectiveness and inoculant dissolution | Donald B. Craig, Steven H. Martin | 2005-12-20 |
| 6793707 | Inoculation filter | Donald B. Craig, Thomas Margaria | 2004-09-21 |
| 6036743 | Method and apparatus for removing liquid salts from liquid metal | Kenneth R. Butcher | 2000-03-14 |
| 5673902 | Dual stage ceramic foam filtration system and method | Clifton L. Oliver, Bruce T. MacPhail | 1997-10-07 |
| 4978452 | Method for producing wax impregnated filters for investment casting applications | — | 1990-12-18 |
| 4975191 | Ceramic foam filter | Jerry W. Brockmeyer, James E. Dore | 1990-12-04 |
| 4885263 | Ceramic foam filter and process for preparing same | Jerry W. Brockmeyer, James E. Dore | 1989-12-05 |
| 4708326 | Vented pouring cup for molten metal casting | Jerry W. Brockmeyer, James E. Dore, Clifford N. Soble | 1987-11-24 |