Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11896177 | Extraction with temporary suction interrupt | Eric C. Huffman | 2024-02-13 |
| 11882971 | Unattended spot cleaning with surface sanitization | Phong Hoang Tran, Jeremy Moog, Eric C. Huffman | 2024-01-30 |
| 11497370 | Extraction with temporary suction interrupt | Eric C. Huffman | 2022-11-15 |
| 11297994 | Unattended spot cleaning with surface sanitization | Phong Hoang Tran, Jeremy Moog, Eric C. Huffman | 2022-04-12 |
| 10827900 | Extraction with temporary suction interrupt | Eric C. Huffman | 2020-11-10 |
| 10178934 | Extraction with temporary suction interrupt | Eric C. Huffman | 2019-01-15 |
| 9801519 | Stain treatment and removal | Eric J. Hansen, Douglas J. Medema | 2017-10-31 |
| 9532693 | Unattended spot cleaning with surface sanitization | Phong Hoang Tran, Jeremy Moog, Eric C. Huffman | 2017-01-03 |
| 9409213 | Extraction with temporary suction interrupt | Eric C. Huffman | 2016-08-09 |
| 8991000 | Low moisture extraction deep cleaning | Eric C. Huffman, Joseph P. Perry | 2015-03-31 |
| 8726441 | Floor sweeper with split brush assembly | John Colasanti, Mitchell E. Auerbach, Jonathan L. Miner | 2014-05-20 |
| 8707510 | Extraction cleaner and centrifugal air/water separator therefor | — | 2014-04-29 |
| 8567418 | Stain treatment and removal | Eric J. Hansen, Douglas J. Medema | 2013-10-29 |
| 8381352 | Extraction with temporary suction interrupt | Eric C. Huffman | 2013-02-26 |
| 8176597 | Vacuum cleaner with cyclonic dirt separation | Louis Edward Stein, Paul B. Long | 2012-05-15 |
| 7748079 | Cyclone separator with fine particle separation member | David E. McDowell, George Moyher, Jr., Timothy S. Parker | 2010-07-06 |
| 7651544 | Vacuum cleaner with multiple cyclonic dirt separators and bottom discharge dirt cup | Joseph A. Fester | 2010-01-26 |
| 7547336 | Vacuum cleaner with multiple cyclonic dirt separators and bottom discharge dirt cup | Joseph A. Fester | 2009-06-16 |
| 6968593 | Hand-held deep cleaner | Kenneth M. Lenkiewicz, Alan J. Krebs, Phong Hoang Tran, Jonathan A. Miner, Gary A. Kasper +2 more | 2005-11-29 |
| 6934993 | Extraction cleaning machine with agitation brushes | Eric C. Huffman, Gary A. Kasper, Eric J. Hansen, Stefan G. Rider | 2005-08-30 |
| 6658693 | Hand-held extraction cleaner with turbine-driven brush | — | 2003-12-09 |
| 6550098 | Extraction cleaner with tank retention | Kenneth L. Roberts, Jeffrey A. Hall, Eric R. Metzger | 2003-04-22 |
| 6286180 | Upright water extraction cleaning machine pump priming | Gary A. Kasper, Eric C. Huffman, Gary L. Smith, Timothy E. Kasen, Luke E. Kelly | 2001-09-11 |
| 6279196 | Upright water extraction cleaning machine | Timothy E. Kasen, Luke E. Kelly, Gary L. Smith, Eric R. Metzger | 2001-08-28 |
| 6192549 | Upright water extraction cleaning machine | Timothy E. Kasen, Luke E. Kelly, Gary L. Smith, Eric R. Metzger | 2001-02-27 |