Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7233015 | System and method for detecting liquid flow from a nozzle in a semiconductor processing device | — | 2007-06-19 |
| D487602 | Base portion of a vacuum cleaner | Kevin T. Downey | 2004-03-16 |
| D477698 | Upright portion of a vacuum cleaner | Kevin T. Downey | 2003-07-22 |
| 6550098 | Extraction cleaner with tank retention | Jeffrey A. Hall, Eric R. Metzger, Charles A. Reed, Jr. | 2003-04-22 |
| D468069 | Upright vacuum cleaner dirt separator front | Douglas J. Medema | 2002-12-31 |
| D467812 | Bottle | Samuel Hansen | 2002-12-31 |
| D462815 | Vacuum cleaner upper portion | Kevin T. Downey | 2002-09-10 |
| D462489 | Vacuum cleaner upper portion | Douglas J. Medema | 2002-09-03 |
| 6334233 | Vacuum cleaner with snap-fit handle and torque-reducing support | Gary L. Steinberg | 2002-01-01 |
| D451655 | Handle for an upright extractor | Douglas J. Medema | 2001-12-04 |
| D441154 | Vacuum cleaner handle | Anthony Louis Monetta, Kenneth J. Orr | 2001-04-24 |
| 6189178 | Handheld extraction cleaner | — | 2001-02-20 |
| 6125498 | Handheld extraction cleaner | Diane M. Simek, Jeffrey A. Hall, Eric C. Huffman, Charles A. Reed, Jr., Steven K. Meek +2 more | 2000-10-03 |
| D430365 | Portable vacuum cleaner | Douglas J. Medema | 2000-08-29 |
| 6070288 | Storage bag for vacuum cleaner accessories and the like | Michael Luyckx, Steven R. Umbach | 2000-06-06 |
| D426037 | Portable vacuum cleaner | Douglas J. Medema | 2000-05-30 |
| D425271 | Upright vacuum cleaner base portion | Michael Luyckx, Steven R. Umbach | 2000-05-16 |
| D422388 | Upright vacuum cleaner upper portion | Michael Luyckx, Steven R. Umbach | 2000-04-04 |
| D379254 | Vacuum cleaner upright portion | Steven R. Umbach, Michael Luyckx | 1997-05-13 |
| D375821 | Vacuum cleaner base | Steven R. Umbach, Michael Luyckx | 1996-11-19 |
| 5544385 | Filter bag mounting assembly for a vacuum cleaner | John J. Jailor, William H. Frederick, Steven R. Umbach, Scott R. Graham, Eric R. Metzger | 1996-08-13 |
| D364014 | Wand handle for a liquid extractor vacuum cleaner | Brenda K. Langeland | 1995-11-07 |