Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11659670 | Deployable hardened housing units | — | 2023-05-23 |
| 11006536 | Deployable hardened housing units | — | 2021-05-11 |
| 10653022 | Deployable hardened housing units | — | 2020-05-12 |
| 10376124 | Surface cleaning apparatus | Eric C. Huffman | 2019-08-13 |
| 7918909 | Cyclone separator with fine particle separation member | — | 2011-04-05 |
| 7752705 | Extraction cleaning with heating | Eric C. Huffman | 2010-07-13 |
| 7748079 | Cyclone separator with fine particle separation member | George Moyher, Jr., Charles A. Reed, Jr., Timothy S. Parker | 2010-07-06 |
| 7475712 | Extraction cleaning with tank mounting | — | 2009-01-13 |
| 7247181 | Cyclonic dirt separation module | Samuel Hansen, Gary L. Smith, Eric R. Metzger | 2007-07-24 |
| 7188388 | Vacuum cleaner with detachable cyclonic vacuum module | Michael F. Best, Douglas J. Medema | 2007-03-13 |
| 7062816 | Surface cleaner with power drive | Gary A. Kasper, Allen W. Scott, Phong Hoang Tran, Gary L. Smith | 2006-06-20 |
| 7013528 | Floor cleaner with dusting | Timothy S. Parker, David L. Haan | 2006-03-21 |
| 6898820 | Extraction cleaning with heating | Gary A. Kasper | 2005-05-31 |
| 6810557 | Cyclone separator with vacillating debris inhibitor | Samuel Hansen, Lindsay Michelle Swartz | 2004-11-02 |
| 6446302 | Extraction cleaning machine with cleaning control | Gary A. Kasper, Samuel Hansen, Jonathan L. Miner | 2002-09-10 |
| 6131237 | Upright extraction cleaning machine | Gary A. Kasper, Eric J. Hansen | 2000-10-17 |
| 5189755 | Wet vacuum/extractor and cleaning solution tank therefor | Robert A. Yonkers | 1993-03-02 |
| 5086537 | Compact extractor | Robert A. Yonkers | 1992-02-11 |
| 4910828 | Cleaning apparatus | Michael R. Blase, Henry J. Rosendall, Daniel L. Koltak | 1990-03-27 |
| RE32751 | Stick vacuum cleaner | Michael S. Joss | 1988-09-20 |
| 4766638 | Four-way vacuum cleaner | — | 1988-08-30 |
| 4644605 | Stick vacuum cleaner | Michael S. Joss | 1987-02-24 |
| 4636232 | Filter stack | — | 1987-01-13 |
| 4357727 | Dual brush floor sweeper | — | 1982-11-09 |