| 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 |