Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11952886 | Method and system for monitoring sand production through acoustic wireless sensor network | Xiaohua Yi | 2024-04-09 |
| 10198947 | Emitter programmer and verification system | Charles Meyer, Kevin Clare Eichhorst | 2019-02-05 |
| 8072346 | LED light bar for optical traffic control systems | Mark Schwartz | 2011-12-06 |
| 7982631 | LED emitter for optical traffic control systems | Mark Schwartz | 2011-07-19 |
| 7175018 | Conveyor assembly | David E. Helgerson, Brian D. Koenig, Steven A. Jensen, John Fresonke | 2007-02-13 |
| 6990829 | Air cycle HVAC system having secondary air stream | Wayne Schnaidt | 2006-01-31 |
| 6959804 | Conveyor assembly | David E. Helgerson, Brian D. Koenig, Steven A. Jensen, John Fresonke | 2005-11-01 |
| 6651037 | Method of optimizing design of an HVAC air-handling assembly for a climate control system | Steven Kelley Howell, Yuan Li | 2003-11-18 |
| 6494778 | Aroma dispensing unit in a HVAC system of an automobile | Irene Olha Kossak, John David Hoeschele | 2002-12-17 |
| 6487525 | Method for designing a HVAC air handling assembly for a climate control system | Daniel Comelius Bach, Frederick Abraham Karam, William Francis Weber, Ramon Banuelos | 2002-11-26 |
| 6415851 | Multi-zone temperature control system for HVAC air-handling assembly | James Fantin | 2002-07-09 |
| 5539398 | GPS-based traffic control preemption system | Mark Schwartz, Steven M. Hamer | 1996-07-23 |