Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7191544 | Lint removal system A lint removal system includes a housing that has a top wall, a bottom wall, a front wall, a back wall, a first side wall and a second side wall. Each of the front and back walls has an elongated opening therein. The openings are aligned. A clothes moving apparatus ... | 03/20/2007 |
| 7184255 | Floor mat for collecting process particles and grounding the electrostatic charge A conductive floor mat is disclosed for collecting process particles and grounding the electrostatic charge accumulated on operators who stand on the mat. The conductive floor mat includes a frame assembly, a plurality of parallel spaced ribs, a plurality of paralle... | 02/27/2007 |
| 7179062 | Integrated shop vacuum and air compressor system An integrated, yet divisible shop vacuum and air compressor system is provided with a blower, a wet and dry vacuuming section and a compressor section, each of which is mounted on a easy to relocate trolley. The vacuum system has a separate motor from the compressor... | 02/20/2007 |
| 6981292 | Cleaning apparatus for hair brushes and combs Described is an apparatus for removing hair entangled among the teeth of combs or the bristles of brushes, after their use, which acts through the action of rotating whips and of an assembly for sucking and collecting the removed residuals. ... | 01/03/2006 |
| 6912752 | Shoe-cleaning machine in particular for removing mud, snow and dirt from the soles This invention relates to an automatic machine for cleaning and brushing shoes and, in particular, ski boots, after ski boots, boots, etc., which specifically cleans the soles of the shoes too, removing any snow, mud, dirt, sand and the like with specific means, suc... | 07/05/2005 |
| 6584636 | Footwear cleaning apparatus A footwear cleaning apparatus includes a vertically oriented frame with an upper frame for supporting the user that is standing while cleaning the footwear. The apparatus receives water from a garden hose and provides a control valve for regulating the wa... | 07/01/2003 |
| 6532618 | Floor mat with incorporated vacuum system A floor mat with incorporated vacuum system including a permeable mat portion having an upper surface and a lower surface. The upper surface is defined by a plurality of upwardly extending bristles. A vacuum assembly is coupled with respect to the permeab... | 03/18/2003 |
| 6406549 | Method and device for cleaning shoes, wheels and all types of rollers A method and a device for cleaning the undersurface of footwear and wheels of shopping trolleys and other transport expedients to minimize the amount of dirt and moisture brought into a building by persons entering the building. The objective of the inven... | 06/18/2002 |
| 6195834 | Method and apparatus for removing foreign particles A method and an apparatus for removing foreign particles such as dust from an object of complex shape is disclosed. An object is placed in an enclosed chamber and agitated by mechanical vibration means and by pulsed air jets while rotating, all to separat... | 03/06/2001 |
| 6108846 | Cleaning apparatus for wheels of car, for semiconductor device manufacturing Cleaning apparatus for the wheels of a car used in a semiconductor manufacturing plant has a pair of endless belts that carry a dust trapping material on their outer surfaces. The belts turn against a wheel and thereby remove the dust.... | 08/29/2000 |
| 6067688 | Shoe cleaning device A shoe bottom or side cleaning device which is either portable or installed in a floor of an entrance to a dwelling or building, and is either manually or automatically operated. The device includes a plurality of side-by-side, elongated and rotated brush... | 05/30/2000 |
| 6041470 | Carpet brush cleaning device A commercial carpet brush cleaning device that removes built-up accumulations of carpet fibers and associated cleaning compound residue and dirt from a carpet cleaning brush. An elevated machine receiving area is defined having a plurality of arcuately sp... | 03/28/2000 |
| 5991967 | Cleaning device for shoe soles The present invention provides a cleaning device for shoe soles. The cleaning device includes a housing in which a brush rack assembly and an oscillating device for oscillating the brush rack assembly are housed. The brush rack assembly includes a plurali... | 11/30/1999 |
| 5915439 | Apparatus for cleaning cylindrical air filters An apparatus is disclosed for cleaning filters used in air breathing machinery. The apparatus is adapted to clean filters that are either contaminated or dirty on the inside surface of its filter medium or on the outside. For this purpose, the filter is p... | 06/29/1999 |
| 5849096 | Method for cleaning wheels of car for semiconductor device manufacturing A method for cleaning the wheels of a car used in a semiconductor manufacturing plant uses a pair of endless belts that carry a dust trapping material on their outer surfaces. The car is located with a wheel supported by two rollers that each carry one of... | 12/15/1998 |
| 5771528 | Self-cleaning entry carpet assembly with improved access and shipping features An assembly for removing debris from the feet of persons and having the capability of cleaning the collected debris, comprises a housing extending along a longitudinal axis thereof and ending in a first and an opposite second end. A drive roller is mounte... | 06/30/1998 |
| 5581841 | Brushing or cleaning apparatus Apparatus for removing particulate material from the surface of an article of flat or hollow ware comprises spaced endless belt members adapted to engage the opposite edges of the article, mechanism for driving the belt members at the same peripheral spee... | 12/10/1996 |
| 5475892 | Semiconductor wafer particle extractor An alignment apparatus for aligning the flat edges on semiconductor wafers has a roller 13 used to turn the wafers 12 during alignment. The roller 13 is hollow and has a plurality of holes 14 in the surface of the roller though which a vacuum is drawn to ... | 12/19/1995 |
| 5455976 | Apparatus for automatically brushing chalk powder off from a blackboard eraser The invention relates to an apparatus for brushing chalk powder off from an eraser surface of a blackboard eraser in which elastic brushes attached to rotatable shafts of rotatable bodies are brushingly engaged with the eraser surface and are rotated in f... | 10/10/1995 |
| 5384933 | Pants cleaning and sterilizing apparatus A pants cleaning and sterilizing apparatus, which includes a housing for receiving the user's leg, two rotary brushes turned in reversed directions by a motor drive to remove dust from the bottom of the pants upon the insertion of the user's foot, a steri... | 01/31/1995 |
| 5361449 | Cleaning apparatus for cleaning reverse surface of semiconductor wafer A cleaning apparatus for cleaning the reverse surface of a semiconductor wafer has a pair of holders for holding the wafer therebetween such that the wafer is kept substantially horizontal with the major surface directed upward. The holders can be moved c... | 11/08/1994 |
| 5351360 | Cleaning device for a wafer mount plate A cleaning device for cleaning adhesive particles and other foreign matter from a disk-shaped wafer mount plate used in semiconductor fabrication comprises a plurality of support rollers supporting the wafer mount plate horizontally for rotation about its... | 10/04/1994 |
| 5076303 | Bottle duster A method for removing dust and other fine particulates matter from the exterior surface of a bottle moving along a conveyor line. A jet of ionized air neutralizes any static charge adhering the particulate matter to the bottle and also commences the dislo... | 12/31/1991 |
| 4951345 | Self-cleaning entry carpet assembly A self-cleaning entry rug assembly has a housing with a hingedly supported top plate extending over substantially its entire top and providing transversely extending openings adjacent its opposite ends. A frame is supported on the top plate and rotatably ... | 08/28/1990 |
| 4901393 | Hay and straw cleaning apparatus An apparatus for cleaning hay and straw has a casing with a table and an inlet through which the hay and straw is fed. A set of tines (a rake) is positioned downstream from the inlet. A set of rotary tines is positioned to rotate through the rake to provi... | 02/20/1990 |
| 4765020 | Silverware washing machine A flatware washer comprising a cogged endless belt mechanism mounted lengthwise in a vertical orientation within a water containment housing; the top end of the cogged belt mechanism being hung around a drive wheel mechanism having complementary cogs mati... | 08/23/1988 |
| 4724564 | Household shoe cleaning apparatus A shoe cleaning apparatus for household use includes a horizontal rotary brush to clean a toe portion of the sole of a shoe, a reciprocating brush to clean a heel portion of the shoe, and a vertical oscillating brush to clean side portions of the shoe. Al... | 02/16/1988 |
| 4479282 | Cleaning trolley A cleaning trolley comprising a stand movable on wheels, provided with a table and a vibrating suction box arranged therein, said suction box having a regulating block for regulating the operating length of the suction box, and said stand also carrying a ... | 10/30/1984 |
| 4432112 | Machine for cleaning shoe soles A machine for cleaning the soles of shoes such as bowling shoes. A rotary brush for cleaning leather shoe soles and an elastomeric roller for cleaning rubber shoe soles are mounted on a hinged platform along with a drive motor and a fan which is used to d... | 02/21/1984 |
| 4416702 | Tape cartridge cleaner Improved apparatus for cleaning generally cylindrical articles of irregular configuration and, particularly, for cleaning straps of the type used to hold magnetic tape and supplied by manufacturers for use with magnetic tapes. The apparatus comprises a po... | 11/22/1983 |
| 4403369 | Internal caddy cleaning apparatus The walls of a video disc caddy are vibrated at or near their resonant frequency to dislodge foreign matter adhering to the inside surfaces of the walls. The separated foreign matter is collected by the pressurized air circulating inside the caddy enclosu... | 09/13/1983 |
| 4233707 | Footwear cleaning apparatus An apparatus cleans footwear with a closed system utilizing brushes and with recirculating compressed air. The apparatus has a housing and a cover containing a grill mounted to the housing by springs. Beneath the grill are a pair of cylindrical brushes wh... | 11/18/1980 |
| 4213223 | Tape cartridge strap cleaner Apparatus for cleaning generally cylindrical articles of irregular configuration and, particularly, for cleaning straps of the type used to hold magnetic tape and supplied by manufacturers for use with magnetic tape. The apparatus comprises exterior and i... | 07/22/1980 |
| 4202071 | Apparatus for washing and drying phonograph records An apparatus for washing and drying phonograph records including a tank to contain a washing solution, and a phonograph record to be cleaned is mounted vertically for rotation within the tank. The washing solution is drawn in the bottom of the tank by a p... | 05/13/1980 |
| 4024599 | Shoe cleaner machine A machine for cleaning the bottom of a wearer's shoes. The machine is mounted in a free-standing housing fitted with a platform on which the user stands. An endless motorized belt, fitted with bristles, is mounted under the platform to project through cut... | 05/24/1977 |
