Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834635 | Plug flow converting pipeline and method | Michael G. Stern | 1998-11-10 |
| 5829754 | Sealing and flow inducing hub assembly | — | 1998-11-03 |
| 5684247 | Rotating consistency transmitter impeller and method | — | 1997-11-04 |
| 5627330 | Leverage insertion assembly | Robert J. Hilker | 1997-05-06 |
| 5619043 | System for acquiring an image of a multi-phase fluid by measuring backscattered light | Jon V. Hokanson, Barry W. Reed | 1997-04-08 |
| 5600058 | Rotating consistency transmitter and method | Robert J. Hilker | 1997-02-04 |
| 5012118 | Apparatus and method for particle analysis | Fritz K. Preikschat | 1991-04-30 |
| 4871251 | Apparatus and method for particle analysis | Fritz K. Preikschat | 1989-10-03 |
| 4818099 | Optical radar system | Fritz K. Preikschat | 1989-04-04 |
| 4768034 | Radar system for multiple object tracking and discrimination | Fritz K. Preikschat | 1988-08-30 |