Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9404499 | Dual chamber discharge muffler | Stephen M. Seibel, Roy J. Doepker | 2016-08-02 |
| 8057194 | Compressor with discharge muffler attachment using a spacer | — | 2011-11-15 |
| 7963752 | Powder metal scroll hub joint | Gary J. Diller, Marc J. Scancarello, Jean-Luc M. Caillat | 2011-06-21 |
| 7568897 | Scroll machine with seal | Walter T. Grassbaugh, John D. Prenger, Xiaogeng Su, Hanqing Zhu | 2009-08-04 |
| 7553140 | Flanged sleeve guide | — | 2009-06-30 |
| 7338265 | Scroll machine with single plate floating seal | Walter T. Grassbaugh, John D. Prenger, Xiaogeng Su, Hanqing Zhu | 2008-03-04 |
| 7300265 | Flanged sleeve guide | — | 2007-11-27 |