"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
Carl Sagan
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| D658455 | Knife blade | 05/01/2012 |
| 8099825 | Motor control for a vacuum cleaner A vacuum cleaner includes a nozzle, an air-filtering dirt receptacle, and a motor. A fan of the vacuum cleaner is configured to be driven by the motor to drive a flow of air that carries dirt from a surface through the nozzle and into the receptacle to clean the sur... | 01/24/2012 |
| 7854038 | Vacuum cleaner with removable handle A cleaning apparatus includes a base. A bracket is attached to the base. Wheels are rotatably attached to the base for wheeling the base across a floor. A cleaning attachment is configured to be attached to the base and moved against the floor to clean the floor as ... | 12/21/2010 |
| 7823249 | Motor control for a vacuum cleaner A vacuum cleaner includes a nozzle, an air-filtering dirt receptacle, and a motor. A fan is configured to be driven by the motor to drive a flow of air that carries dirt from a surface through the nozzle and into the receptacle to clean the surface. A controller is ... | 11/02/2010 |
| 7794516 | Filter bag mounting assembly A filter bag includes a bag structure of filter material. A panel is adhered to the bag structure and has a fill opening. A securing tab is attached by a hinge to the panel. The panel is configured to have a mounted position in which a fill tube projects through the... | 09/14/2010 |
| 7770255 | Vacuum cleaner with drive assist A base has wheels, including a drive wheel, for wheeling the base over a floor. A nozzle is fixed to the base for a fan in the base to draw air from the floor through the nozzle. A handle is connected to the base for propelling the base by manually applying a force ... | 08/10/2010 |
| 7694383 | Upright vacuum cleaner with removable power head A vacuum cleaning apparatus includes a vacuum cleaner base and a handle configured to be attached to the base. A nozzle is configured for the base to draw air through the nozzle to clean the floor as the nozzle is moved along the floor by a user pushing the base by ... | 04/13/2010 |
| 7690078 | Vacuum cleaner with removable cleaning attachment A vacuum cleaner includes a base having first and second inlet ports and a fan configured to draw air through the inlet ports into the base. A vacuuming head is removably attachable to the base to channel air from a surface into the first inlet port to clean the sur... | 04/06/2010 |
| D608546 | Sheet material with surface pattern | 01/26/2010 |
| 7631393 | Upright vacuum cleaner with removable power head A vacuum cleaning apparatus includes a vacuum cleaner base and a handle configured to be attached to the base. A nozzle is configured for the base to draw air through the nozzle to clean the floor as the nozzle is moved along the floor by a user pushing the base by ... | 12/15/2009 |
| D600868 | Mounting collar for a filter bag | 09/22/2009 |
| 7587786 | Vacuum cleaner with removable handle A vacuum cleaning apparatus includes a cleaning attachment. A base has an outlet port configured to be attached to the cleaning attachment and draw air from a household surface through the attachment and exhaust the air through the outlet port. A handle is configure... | 09/15/2009 |
| D600078 | Cutlery holder | 09/15/2009 |
| D599626 | Cutting tool handle | 09/08/2009 |
| 7540065 | Vacuum cleaner handgrip A handle stem extends along an axis and has an axially extending slot. A handgrip extends circumferentially about the stem and the slot. A prong extends from the handgrip diametrically through the slot for the slot to channel movement of the prong relative to the st... | 06/02/2009 |
| D588806 | Tool carrying case | 03/24/2009 |
| 7487569 | Vacuum cleaner with drive assist A base has wheels, including a drive wheel, for wheeling the base over a floor. A handle, including a handgrip, is connected to the base for propelling the base by manually applying a force to the handgrip. A motor has an output shaft coupled to the drive wheel. A c... | 02/10/2009 |
| D583196 | Electric knife handle | 12/23/2008 |
| 7455499 | Centrifugal fan A fan includes a fan housing located on an axis. The apparatus has axially front and rear sections that together define a chamber. Air can enter the chamber through an inlet in the front section. An impeller in the chamber is configured to rotate about the axis to d... | 11/25/2008 |
| 7409745 | Cleaning pad for vacuum cleaner The claimed invention provides an apparatus for use with a vacuum cleaner nozzle having an intake opening with a flow area that receives a flow of working air. The apparatus comprises a cleaning pad with a structure that permits the working air to pass through the p... | 08/12/2008 |
| 7390068 | Coupling assembly for wheel and axle A wheel, by which a base is configured to be wheeled across a floor, includes a tread and a hub. The hub has an inner surface that surrounds an axis and defines a bore. The hub further has an outer surface surrounding the inner surface and a slot extending radially ... | 06/24/2008 |
| D554428 | Multi-positional knife handle | 11/06/2007 |
| 7278693 | Coupling assembly A hub has an inner surface defining a bore centered on an axis, an outer surface surrounding the inner surface, and two slots extending in radially opposite directions from the bore to the outer surface. A shaft is configured to be received in the bore and has a cir... | 10/09/2007 |
| 7249683 | Space saving swivel block utensil holder A utensil holder for particular, but not exclusive, use in a kitchen environment in which a swivel block is formed with a series of utensil receiving slots. The utensil holder is readily mounted to both horizontally and vertically disposed surfaces by means of a swi... | 07/31/2007 |
| 7131162 | Floor and carpet push brush In a wheel supported floor and carpet push brush of the type having an array of aggressive bristles and another array of bristles which are of lesser diameter than the aggressive bristles carried on the dowel so that the brush can be turned over to bring a selected ... | 11/07/2006 |
| 7034254 | Heated delivery system A heated delivery system for pizza and the like including a thermally insulated receptacle, an electrical resistance heating unit having a heat storing shell molded from thermosetting resin, and an electrical resistance heating member within the shell, the member ha... | 04/25/2006 |
| 6886215 | Vacuum cleaner fill tube with valve An apparatus for use with a vacuum cleaner filter bag comprises a vacuum cleaner fill tube. The fill tube is configured for the bag to be mounted on the fill tube. The fill tube has an outlet through which a working flow of vacuum cleaner air can exit the fill tube ... | 05/03/2005 |
| 6779231 | V-belt driven vacuum cleaner brushroll A vacuum cleaner brushroll including a spindle rotated by a drive belt having grooves in its inner drive surface extending lengthwise around the belt, and a pulley formed in one-piece with the spindle, the pulley having a flat, smooth belt surface parallel to the sp... | 08/24/2004 |
| 6760952 | Vacuum cleaner brushroll A vacuum cleaner brushroll characterized by a bristle tufted arrangement that forms multiple dwell positions around the brushroll. In each dwell position, the majority of bristle tufts along the length of the spindle are out of sweeping contact with the carpet which... | 07/13/2004 |
| 6716262 | Mounting collar for a filter bag A mounting collar is for supporting a vacuum cleaner filter bag in a mounted condition over a vacuum cleaner fill tube. The fill tube has a cylindrical outer surface. A panel of the mounting collar is configured to be attached to the filter bag. The panel has a firs... | 04/06/2004 |
| 6715748 | Modular special purpose board A modular cutting board having especial utility in non kitchen environments in which at least two plates are hingeably connected, and being relatively movable between a working position in which the cutting board presents a broad coplaner working surface and a trans... | 04/06/2004 |
| 6626969 | Mounting collar for a vacuum cleaner filter bag An apparatus for mounting a vacuum cleaner filter bag on a vacuum cleaner fill tube includes a filter bag panel. The panel is configured to be grasped by a hand to mount the bag on the fill tube. The panel has an inner edge defining an opening for receivi... | 09/30/2003 |
| 6591441 | Brushroll having improved cleaning capability A vacuum cleaner brushroll including a spindle, bristle tufts carried by the spindle, and sleeves fitted on the ends of the spindle, the bristle tufts including angled end tufts that extend through the sleeve outwardly beyond the ends of the spindle to pr... | 07/15/2003 |
| 6591440 | Brushroll with rotatably mounted end assembly A vacuum cleaner brushroll having skirted, one piece plastic ferrules inserted into the ends of a tufted, wood spindle so that the ferrule skirts embrace the spindle end portions to prevent the ferrules from loosening upon expansion of the spindle due to ... | 07/15/2003 |
| 6574823 | Brushroll A vacuum cleaner brushroll having angled tuft patterns effective to increase cleanability performance of the vacuum. The brushroll comprises a spindle and at least two patterns of bristled tufts. The patterns may be helical shaped rows. The rows may defin... | 06/10/2003 |
| 6561591 | Wheel assembly An apparatus includes first and second wheel sections configured to mate in axially opposed relationship to define a rotatable wheel body. The wheel body has a peripheral outer surface extending circumferentially about an axis of rotation and a bearing ca... | 05/13/2003 |
| 6517596 | Wet pickup attachment for vacuum cleaners A wet pickup attachment for vacuum cleaners has a pair of independent float operated valves to close primary and secondary exhaust openings responsive to different water levels in a collection tank and thereby prevent aspiration of water into a vacuum cle... | 02/11/2003 |
| 6393657 | Brush roll rotation indicator A magnet is attached to a vacuum cleaner brush roll in a position to provide brush bristles on both sides of the magnet along the length of the brush roll. The magnet is attached to the brush roll in a recess that may be a circumferential groove or a bore... | 05/28/2002 |
| 6353964 | Cleaning attachment for vacuum cleaner A floor cleaning apparatus includes a cleaning element and a vibratory agitation device. The cleaning element is configured to adjoin a floor in scrubbing engagement with the floor. The vibratory agitation device has an output member, and is operative to ... | 03/12/2002 |
| 6324723 | Wet pickup attachment for vacuum cleaners A wet pickup attachment for vacuum cleaners has a pair of independent float operated valves to close primary and secondary exhaust openings responsive to different water levels in a collection tank and thereby prevent aspiration of water into a vacuum cle... | 12/04/2001 |