Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8621708 | Surface cleaning apparatus with cleaning fluid supply | Lindsay M. Ulman | 2014-01-07 |
| 8505155 | Surface cleaning apparatus with recovery tank latch | — | 2013-08-13 |
| 8230549 | Upright extractor | Phong Hoang Tran | 2012-07-31 |
| 8176649 | Extraction cleaning with plenum and air outlets facilitating air flow drying | Eric C. Huffman | 2012-05-15 |
| 8146200 | Surface cleaning apparatus with accessory working air path | Alan J. Krebs | 2012-04-03 |
| 7979951 | Surface cleaning apparatus with recovery tank | Alan J. Krebs | 2011-07-19 |
| 7979955 | Surface cleaning apparatus with recovery tank | Alan J. Krebs | 2011-07-19 |
| 7966690 | Surface cleaning with recovery tank float control | — | 2011-06-28 |
| 7958652 | Extraction cleaning with plenum and air outlets facilitating air flow drying | Eric C. Huffman | 2011-06-14 |
| 7845045 | Extraction with air venting | Alan J. Krebs | 2010-12-07 |
| 7779505 | Wet/dry vacuum cleaner | Alan J. Krebs | 2010-08-24 |
| 7475451 | Extraction with air venting | Alan J. Krebs, Timothy E. Kasen | 2009-01-13 |
| 7225503 | Hand-held deep cleaner | Alan J. Krebs | 2007-06-05 |
| 7073226 | Portable extraction cleaner | Alan J. Krebs | 2006-07-11 |
| 6968593 | Hand-held deep cleaner | Alan J. Krebs, Phong Hoang Tran, Jonathan A. Miner, Gary A. Kasper, Eric C. Huffman +2 more | 2005-11-29 |
| 6658692 | Small area deep cleaner | Alan J. Krebs, Timothy E. Kasen | 2003-12-09 |
| 6467122 | Deep cleaner with tool mount | Alan J. Krebs | 2002-10-22 |
| 6412141 | Upright extraction cleaning machine | Gary A. Kasper, Jonathan A. Miner, Timothy E. Kasen, Eric C. Huffman, Luke E. Kelly | 2002-07-02 |
| 6286181 | Upright extraction cleaning machine | Gary A. Kasper, Jonathan A. Miner, Timothy E. Kasen, Eric C. Huffman, Luke E. Kelly | 2001-09-11 |
| 6230362 | Upright extraction cleaning machine | Gary A. Kasper, Timothy E. Kasen, Luke E. Kelly | 2001-05-15 |
| 6167587 | Upright extraction cleaning machine | Gary A. Kasper, Jonathan A. Miner, Timothy E. Kasen, Eric C. Huffman, Luke E. Kelly | 2001-01-02 |