Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8516655 | Vacuum cleaner with electronic agitator control | Jack S. Stayer, Evan A. Gordon | 2013-08-27 |
| 7617563 | Liquid distribution system for a cleaning machine | Timothy T. Hertrick, Charles A. Lang, Vincent L. Weber | 2009-11-17 |
| 7362064 | Control arrangement for a cleaning appliance | Donald A. Coates, Robert W. Bauman, Michael A. Durbin, Evan A. Gordon, Adam C. Sclafani +5 more | 2008-04-22 |
| 7146679 | Apparatus and method for cleaning a surface | Donald A. Coates, Robert W. Bauman, Michael A. Durbin, Evan A. Gordon, Adam C. Sclafani +5 more | 2006-12-12 |
| 6875255 | Removable dirt separation system for a vacuum cleaner | William G. Alford, Jerry L. Balzer, Greg A. Bilek, Joseph A. Garisto, Erik D. Lesco +3 more | 2005-04-05 |
| 6237189 | Vacuum cleaner suction nozzle configuration | Richard A. Wareham, David W. Moine, Kurt D. Harsh, Kenneth L. Symensma | 2001-05-29 |
| 6189174 | Carpet extractor brush assembly | Darwin S. Crouser, Timothy B. Hisrich | 2001-02-20 |
| 6108860 | Compact carpet and upholstery extractor | Darwin S. Crouser, Douglas C. Barker | 2000-08-29 |
| 6009593 | Carpet extractor brush assembly | Darwin S. Crouser, Timothy B. Hisrich | 2000-01-04 |
| 6006402 | Vacuum cleaner suction nozzle configuration | Richard A. Wareham, David W. Moine, Kurt D. Harsh, Kenneth L. Symensma | 1999-12-28 |
| 5983442 | Carpet extractor with automatic conversion | Jeffrey S. Louis, Jerry L. Balzer, David B. Rennecker, Gregg A. McAllise, Jeffery A. Morgan +3 more | 1999-11-16 |
| 5983449 | Dirt conveying duct arrangement | Kevin L. Thomas | 1999-11-16 |
| 5970576 | Vacuum cleaner height adjustment | Richard A. Wareham, Kurt D. Harsh, Michael W. Crine | 1999-10-26 |
| 5870798 | Compact carpet and upholstery extractor | Darwin S. Crouser, Douglas C. Barker | 1999-02-16 |
| 5860188 | Carpet extractor | Darwin S. Crouser, Jeffrey S. Louis | 1999-01-19 |
| D398100 | Carpet extractor | Ronald J. Stephens, Douglas C. Barker, Darwin S. Crouser, Darwin T. McKnight | 1998-09-08 |
| D391703 | Tool caddy for attachment to a carpet extractor | Daniel R. Miller, Vincent L. Weber, Roland J. Knouff, Joseph W. Clifford | 1998-03-03 |
| 5373598 | Cleaner with performance indicator | Vincent L. Weber, Charles R. Morrow, William J. Chess, Sr. | 1994-12-20 |
| 5247719 | Vacuum cleaner tool storage | Richard A. Wareham, Robert C. Shorthill | 1993-09-28 |
| 5243734 | Cleaner conversion valve | Jeffrey S. Louis | 1993-09-14 |
| 5226527 | Vacuum cleaner remote switch actuator | Herbert Morello, Douglass A. King | 1993-07-13 |
| 5134750 | Cleaner with conversion valve arrangement | Douglass A. King, Darwin S. Crouser, Charles R. Morrow, Raymond L. Lawter | 1992-08-04 |
| 4527302 | Canister cleaner | John D. Essex | 1985-07-09 |
| 4384385 | Cleaner with side cleanout | — | 1983-05-24 |
| 4380846 | Idler pulley belt drive arrangement for suction cleaner | — | 1983-04-26 |