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Your search returned 127 patents.
( 15/346 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5146868 | Self contained recirculating powdering a vacuuming assembly
| October 23, 1990 |
| 5115765 | Flea blower vacuum for pets
| December 10, 1990 |
| 5113548 | Surface sweeping machine with over-the-cab hopper dumping
| October 17, 1989 |
| 5099542 | Honeycomb core dust removal system
| July 30, 1990 |
| 5072485 | Surface sweeping machine with over-the-cab hopper dumping
| April 29, 1988 |
| 5005253 | Surface cleaning apparatus
| October 12, 1989 |
| 4951347 | Brush-type cleaning system
| January 23, 1990 |
| 4938239 | Mobile track bed cleaning machine and method
| March 15, 1989 |
| 4932098 | Grooming aid for collecting debris
| August 29, 1988 |
| 4885817 | Air-dust separation system for a pneumatic road-cleaning vehicle
| September 4, 1987 |
| 4884315 | Vacuum cleaner having circuitous flow
| December 10, 1987 |
| 4858270 | Pavement-cleaning vehicle
| April 14, 1989 |
| 4822431 | Machine and method for preparing a concrete surface for coating
| February 10, 1986 |
| 4807327 | Dirt deflector for cleaning heads
| March 24, 1988 |
| 4800611 | Plate cleaning apparatus and cleaning roller therefor
| April 15, 1987 |
| 4773121 | High speed pick-up head
| February 27, 1987 |
| 4707879 | Device for acting on and treating surfaces, for instance for picking up particles, leaves and litter
| October 8, 1985 |
| 4660248 | Pickup truck mounted sweeper
| September 12, 1984 |
| 4650504 | Hopper loading directly insertable horizontally mounted cylindrical segmented bore pleated filter system for rotary broom sweepers
| July 19, 1985 |
| 4580314 | Suction cleaning device
| November 23, 1984 |
| 4571849 | Apparatus for removing liquid from the ground
| October 15, 1984 |
| 4570287 | Method of and apparatus for picking up refuse from a surface, such as a track bed
| May 23, 1984 |
| 4561145 | Continuous sweep for road planing and milling machines
| February 16, 1984 |
| 4466156 | Air velocity control mechanism for selective debris pickup
| January 19, 1983 |
| 4457043 | Sweeper particularly for collecting dust-like material, and the utilization thereof
| July 13, 1981 |
| 4416702 | Tape cartridge cleaner
| April 9, 1982 |
| 4411038 | Pneumatic cleaning system
| November 16, 1981 |
| 4393536 | Dual mode vacuum cleaner
| January 25, 1982 |
| 4377882 | Vacuum cleaning appliances
| March 26, 1981 |
| 4373228 | Vacuum cleaning appliances
| April 15, 1980 |
| 4359801 | Pick-up head for surface cleaning apparatus
| May 4, 1981 |
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