Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7017469 | Metering device | — | 2006-03-28 |
| 6886720 | Metering device | — | 2005-05-03 |
| 6676387 | Metering pump with a rotary valve responsive to electrical signals from the contact between a fluid responsive shuttle and dual probes | — | 2004-01-13 |
| 6059148 | Metering device | Wilhelm A. Keller | 2000-05-09 |
| 5850946 | Metering device | Wilhelm A. Keller | 1998-12-22 |
| 5547110 | Metering device for fluids | Wilhelm A. Keller | 1996-08-20 |
| 4846373 | Apparatus for proportioning or for proportioning and mixing plural different fluid compositions | Steven R. Anderson | 1989-07-11 |
| 4350803 | Reaction arrestment mixer head and mixing process | — | 1982-09-21 |
| 4198168 | Phase blending static mixing process and apparatus | — | 1980-04-15 |