Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344930 | Self-centering conduit cleaning device with reduced axial length | — | 2022-05-31 |
| 6787782 | Ultraviolet-light vehicle air cleaning system | Mark D. Krosney, Joseph W. Baughman, Michael G. Casto, Tolek Pawelko, Jennifer L. Gloisten +1 more | 2004-09-07 |
| 6384611 | Ice thickness detector | Randall W. Wallace, Allen D. Reich, David B. Sweet, Michael Jonathan Terry, Marc E. Holyfield | 2002-05-07 |
| 6247669 | Airfoil low ice adhesion surface | David B. Sweet | 2001-06-19 |
| 5955887 | Impedance type ice detector | Gerald Willey Codner, Daniel A. Pruzan, Allen D. Reich, David B. Sweet | 1999-09-21 |
| 5845878 | Skin for a deicer | Kevin L. Leffel | 1998-12-08 |
| 5813631 | Pneumatic deicing system with drain valve | Donald E. Butler, Thomas A. Waples, Alan J. Fahrner | 1998-09-29 |
| 5609314 | Skin for a deicer | Kevin L. Leffel | 1997-03-11 |
| 5569850 | Ice detector | — | 1996-10-29 |
| 5562265 | Vibrating pneumatic deicing system | — | 1996-10-08 |
| 5553814 | Skin for a deicer | Kevin L. Leffel | 1996-09-10 |
| 5489073 | Side flex leading edge ice protector | Kevin L. Leffel | 1996-02-06 |
| 5427332 | Modular ice protection assembly | Kevin L. Leffel | 1995-06-27 |
| 5356096 | Skin for a deicer | Kevin L. Leffel | 1994-10-18 |
| 5314145 | Compressible nose dynamic de-icer | — | 1994-05-24 |
| 5288355 | Structural airfoil having integral expulsive system | Kevin L. Leffel, James C. Putt | 1994-02-22 |
| 5248116 | Airfoil with integral de-icer using overlapped tubes | — | 1993-09-28 |
| 5098037 | Structural airfoil having integral expulsive system | Kevin L. Leffel, James C. Putt | 1992-03-24 |
| 5098061 | Cascaded pneumatic impulse separation system and valves therefor | Robert N. Hohenshil, James C. Putt, David M. Ronyak | 1992-03-24 |