Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5200086 | Emulsion destabilization and treatment | Jitendra Shah, John H. Collins | 1993-04-06 |
| 5088262 | Anchor system for installing and holding sheet insulation functionally in place and method of use | Raymond J. Schraff | 1992-02-18 |
| 4910063 | Insulating module | David L. Holland, Wesley McLane | 1990-03-20 |
| 4791769 | Movable heat chamber insulating structure | — | 1988-12-20 |
| 4745139 | Elastomeric coatings containing glass bubbles | Robert J. Haasl, Scott Haasl | 1988-05-17 |
| D291118 | Cover for a ladle or the like | Raymond J. Schraff | 1987-07-28 |
| 4640202 | Readily repairable and lightweight cover for a heated vessel | Raymond J. Schraff, Nicholas Labas | 1987-02-03 |
| 4606473 | Readily repairable and lightweight insulating cover for a heated metal container | Raymond J. Schraff | 1986-08-19 |
| 4530441 | Readily repairable and lightweight insulating cover for a heated metal container | Raymond J. Schraff | 1985-07-23 |
| 4524702 | Readily repairable and lightweight cover for a heated vessel | Raymond J. Schraff, Nicholas Labas | 1985-06-25 |
| 4411621 | Furnace wall construction | — | 1983-10-25 |
| 4390170 | Closure plug for ladle car | Louis B. Schaefer, IV | 1983-06-28 |