| 9925641 |
Containment system or barrier with open/closable doors |
— |
2018-03-27 |
| 9623538 |
Device and method for multidirectional blasting |
— |
2017-04-18 |
| 8926405 |
Surface treatment system and method for achieving a substantially uniform surface profile for a treated surface |
— |
2015-01-06 |
| 8556683 |
Containment barrier for use with surface treatment |
G. Michael Elrod, Walter Wiese |
2013-10-15 |
| 7052362 |
Blendable blasting media and method of reusing and discharging same |
— |
2006-05-30 |
| 6944907 |
Collection/dispensing system with improved mopping assembly |
— |
2005-09-20 |
| 6523220 |
Collection/dispensing system with improved mopping assembly |
— |
2003-02-25 |
| 5823860 |
Blasting media containment system |
Elliott Henry Felker |
1998-10-20 |
| 5602821 |
Double picker drive multiplexing mechanism |
Robert J. McPherson |
1997-02-11 |
| 5529589 |
Fiber media blasting material, method of recycling same, and equipment for discharging same |
Wilfred P. Parent, Jade David Fogg, Troy L. Fogg, Mary McEwan |
1996-06-25 |
| 5344472 |
Method of recycling media for use in pressurized device |
Wilfred P. Parent |
1994-09-06 |
| 5325638 |
Pliant media blasting device |
— |
1994-07-05 |
| 5256703 |
Abrasive propellant for cleaning of surfaces and machinery |
Paul F. Hermann |
1993-10-26 |
| 5234470 |
Media for use in pressurized device and method of farming |
Wilfred P. Parent |
1993-08-10 |
| 5207034 |
Pliant media blasting device |
— |
1993-05-04 |
| 5203047 |
Cleaning apparatus with rotatable endless belt |
— |
1993-04-20 |
| 5146716 |
Pliant media blasting method |
— |
1992-09-15 |
| 5134748 |
Surface cleaning device |
— |
1992-08-04 |
| 5080517 |
Mop assembly for applying clean liquids and removing dirty liquids |
— |
1992-01-14 |
| 5012542 |
Mopping system |
— |
1991-05-07 |
| 4926515 |
Improved mopping system |
Roger R. Belanger |
1990-05-22 |