Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11939993 | Overflow vortex transfer system | Mark A. Bright, Jason Tetkoskie, Richard S. Henderson, Herbert L. Ritchie, Jr. | 2024-03-26 |
| 11187233 | Overflow vortex transfer system | Mark A. Bright, Jason Tetkoskie, Richard S. Henderson, Herbert L. Ritchie, Jr. | 2021-11-30 |
| 11131309 | Molten metal pump | Jon Tipton, George S. Mordue, Mark A. Bright, Lennard Lutes, Richard S. Henderson +1 more | 2021-09-28 |
| 9951777 | Molten metal pump | Jon Tipton, George S. Mordue, Mark A. Bright, Lennard Lutes, Richard S. Henderson +1 more | 2018-04-24 |
| 9599111 | Riserless recirculation/transfer pump and mixer/pre-melter for molten metal applications | — | 2017-03-21 |
| 9506346 | Overflow vortex transfer system | Mark A. Bright, Jason Tetkoskie, Richard S. Henderson, Herbert L. Ritchie, Jr. | 2016-11-29 |
| 9234520 | Riserless transfer pump and mixer/pre-melter for molten metal applications | — | 2016-01-12 |
| 8784727 | Molten metal furnace | — | 2014-07-22 |
| 8246295 | Riserless transfer pump and mixer/pre-melter for molten metal applications | — | 2012-08-21 |
| 8033792 | High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal | — | 2011-10-11 |
| 7896617 | High flow/high efficiency centrifugal pump having a turbine impeller for liquid applications including molten metal | — | 2011-03-01 |
| 7727461 | Furnace filtration system for molten metal | — | 2010-06-01 |
| 7543605 | Dual recycling/transfer furnace flow management valve for low melting temperature metals | — | 2009-06-09 |
| 7445018 | Recycling furnace flow management sliding gate valve for low melting temperature metals | — | 2008-11-04 |
| 7326028 | High flow/dual inducer/high efficiency impeller for liquid applications including molten metal | — | 2008-02-05 |
| 7234869 | Sink roll bearing having ceramic elements for supporting the roll's shaft | — | 2007-06-26 |
| 6899772 | Alloy molten composition suitable for molten magnesium environments | — | 2005-05-31 |
| 6719945 | Galvanizing roll assembly with self-aligning hydrodynamic film lubricated roller-bearings | — | 2004-04-13 |
| 6692689 | Sink roll assembly with forced hydrodynamic film lubricated bearings and self-aligning holding arms | — | 2004-02-17 |
| 6562293 | Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts | — | 2003-05-13 |
| 6354796 | Pump for moving metal in a bath of molten metal | — | 2002-03-12 |
| 6354573 | Swimming pool high velocity heating system | — | 2002-03-12 |
| 6261369 | Sink roll for galvanizing bath | — | 2001-07-17 |
| 6168753 | Inert pump leg adapted for immersion in molten metal | — | 2001-01-02 |
| 6168757 | Material formulation for galvanizing equipment submerged in molten aluminum and aluminum/zinc melts | — | 2001-01-02 |