Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599340 | Air flow passage for a cyclonic separator and vacuum cleaner having same | Helmut Gerhard Conrad, Ted Szylowiec | 2003-07-29 |
| 6596046 | Cyclone separator having a variable longitudinal profile | Helmut Gerhard Conrad, Ted Szylowiec | 2003-07-22 |
| 6582489 | Method and apparatus of particle transfer in multi-stage particle separators | — | 2003-06-24 |
| 6568900 | Pressure swing contactor for the treatment of a liquid with a gas | Helmut Gerhard Conrad, Richard Stanley Philips | 2003-05-27 |
| 6533834 | Apparatus and method for separating particles from a cyclonic fluid flow | Dave Petersen | 2003-03-18 |
| 6527950 | Construction of a water treatment appliance | Terry Bohrson, John Stouth, Mike Badgley, Joe Don Garrison, Shawn C. Nielsen +2 more | 2003-03-04 |
| 6526622 | Vacuum cleaner actuated by reconfiguration of the vacuum cleaner | — | 2003-03-04 |
| 6517731 | Ozonation process | — | 2003-02-11 |