Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834638 | Process for preparing rigid polyisocyanurate foams using natural-oil polyols | David F. Sounik, Steven L. Schilling, Don S. Wardius | 2017-12-05 |
| 8097660 | Rigid polyurethane foams with low thermal conductivity and a process for their production | V. Michael Mautino, Steven L. Schilling | 2012-01-17 |
| 7619014 | Rigid polyurethane foams for insulation and process for producing same | Steven L. Schilling | 2009-11-17 |
| 6846850 | Rigid polyurethane foams with improved properties | Steven L. Schilling, Kevin Elsken | 2005-01-25 |
| 6617368 | Isotropic rigid foams | David D. Steppan, Alan D. Bushmire | 2003-09-09 |
| 6423759 | Co-initiated polyols useful for the production of rigid polyurethane foams | Steven L. Schilling, Herman P. Doerge, Keith J. Headley | 2002-07-23 |
| 6354224 | Conveyor system switch using tubular linear induction motor | Deepak Devnani | 2002-03-12 |
| 5539006 | Rigid foams with improved insulation and physical properties | Herman P. Doerge, Steven L. Schilling, Edward P. Squiller | 1996-07-23 |
| 5397808 | Low thermal conductivity foam | Herman P. Doerge, Joseph M. Sutej, John F. Szabat | 1995-03-14 |