| Patent Number |
Title Of Patent |
Date Issued |
| D381779 |
Combined wet and dry vacuum cleaner |
July 29, 1997 |
|
| 5797163 |
Liquid extraction machine |
August 25, 1998 |
| An extraction machine of this invention comprises a main housing. A vacuum pump in the main housing operates to create a vacuum to extract liquid from the surface. A motor in the main housing drives the vacuum pump, the vacuum pump having an exhaust. An exhaust duct conducts exhaust air |
| 5745043 |
Indicator junction module for pressure washer |
April 28, 1998 |
| An indicator junction module for connecting the electrical components of a pressure washer for dispensing a cleaning fluid under pressure. The indicator junction module includes terminal connectors for receiving leads from the components and indicator circuits corresponding to the co |
| 5713310 |
Heat exchanger for pressure washer |
February 3, 1998 |
| A high pressure washer of this invention comprises a heat exchanger for heating a cleaning fluid, and a dispenser for dispensing heated cleaning fluid under pressure onto a surface to clean it. The heat exchanger comprises a tubular casing and a generally coaxial tubular heat shield |
| 5623743 |
Mobile surface scrubber solution recovery system |
April 29, 1997 |
| A mobile surface scrubber for scrubbing a surface wetted with cleaning solution. The scrubber comprises a frame, a plurality of wheels rotatably mounted on the frame, scrub brush means attached to the frame and positioned to scrub the wetted surface as the scrubber is transported over |
| 5605493 |
Stone polishing apparatus and method |
February 25, 1997 |
| A self-propelled battery operated stone floor polishing machine having dual rotating heads with detachable stone grinding, honing, and polishing pads. The polishing machine includes an integral solution tank for applying a liquid lubrication to the floor through the heads, a recovery tan |
| 5588179 |
Dust box emptying device |
December 31, 1996 |
| A flap of an elastomeric material is disposed over an outlet opening in a dust box within a main hopper of an industrial-type sweeper, the outlet opening providing communication between the dust box and the main hopper for emptying of the contents accumulated within the dust box. The fla |
| 5575710 |
Leveling mechanism for floor sanders |
November 19, 1996 |
| This invention is directed to a floor sander comprising a frame on wheels, a chassis carried by the frame, and a motor-driven sanding head mounted on the chassis generally adjacent the front of the chassis for rotation about an axis extending in side-to-side direction with respect to the |
| 5509162 |
Hinged brush retaining arm for sweepers |
April 23, 1996 |
| A cylindrical brush of the type utilized in an industrial type sweeper is retained on one end by an idler broom arm. The idler broom arm is hingedly connected to a member transverse to the brush such that the broom arm swings outwardly from the brush to effect a brush change as the broom |
| 5477580 |
Grout brush for a rotary floor machine |
December 26, 1995 |
| A brush for a rotary floor machine is especially adapted to clean grout on tile floors. The brush includes a disk having a plurality of first and second bores arranged into a plurality of rings disposed about one face of the disk. Each ring defines an arcuate pattern of alternating first |
| 5383251 |
Floor scrubber having interlocking tanks |
January 24, 1995 |
| A self-propelled floor cleaning machine or scrubber of the walk-behind type includes a one-piece molded main body incorporating an integral solution tank. The main body includes a central cavity in which is received a one-piece molded secondary body defining a recovery tank. The main bod |
| 5194077 |
Dual chamber filter assembly with shaker |
March 16, 1993 |
| A sweeper hopper and associated filter assembly as illustrated and described. The filter assembly effectively divides the hopper into a particulate contaminant receiving chamber and a clean air exhaust chamber. The filter assembly includes at least a pair of particulate blocking filt |
| 5155876 |
Integrated sound baffle |
October 20, 1992 |
| The floor cleaning machine utilizes an integrated sound baffle to reduce the noise level of the machine during operation. The floor cleaning machine relies upon a vacuum motor to create a negative pressure in a recovery tank for operation of a vacuum squeegee. The integrated sound ba |
