"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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 |
| 7267133 | Large scale tubular line kiting system A large scale cleaning plug (L) adaptable to be placed within an interior passageway (10) of a tubular system (14) includes a generally conically shaped element (C) having a first end (18) and an opposite second end (20). The width of the... | 09/11/2007 |
| 7043188 | Cleaning device for cleaning a moving surface An apparatus for cleaning a moving surface having toner particles thereon, including: a housing defining an open ended chamber; means, disposed in the chamber of the housing with a portion thereof extending outwardly from the open end of the chamber of the housing i... | 05/09/2006 |
| 7037811 | Method for fabricating a semiconductor device Concentration of metal element which promotes crystallization of silicon and which exists within a crystalline silicon film obtained by utilizing the metal element is reduced. A first heat treatment for crystallization is performed after introducing nickel to an amo... | 05/02/2006 |
| 7017227 | Vacuum cleaner dusting attachment A vacuum cleaner dusting attachment. An attachment member is connected to a vacuum cleaner hose at a first end of the attachment member. The second end of the attachment member is attached to a dusting member. The first end of the attachment member is aligned with t... | 03/28/2006 |
| 7001773 | Artificial testing soil and method of testing An artificial test soil is composed of particulate, hair, and fiber components, wherein the particulate component consists of mineral, food, and plant materials, so chosen and proportioned as to correlate to a typical soil found in the home. The test soil may be use... | 02/21/2006 |
| 6928686 | Washing apparatus for endoscope A washing apparatus for an endoscope includes a wire brush, a region for housing the wire brush and a driver adapted to advance and retract the wire brush. The wire brush is received in a pipe section of the wire housing region so that the wire brush may be selectiv... | 08/16/2005 |
| 6641676 | Fluid powered-scouring whip for cleaning remote areas The fluid-powered scouring whip is a length of flexible tubing composed of rubber or plastic. One or more scouring members, such as bristles or tines, extend outward from the tubing. These scouring members are molded or tooled as integral parts of the tub... | 11/04/2003 |
| 6519803 | Chimney vacuum system A chimney vacuum system having an adapter head for fluidly removing accumulated soot under vacuum pressure from a flue or chimney. The chimney vacuum system includes a hose adapted to the head via a frictional fit. The adapter head of the chimney system h... | 02/18/2003 |
| 6519809 | Gutter cleaner A gutter cleaner having a head and a handle. The head is tubular and has a bend and a nozzle. The bend curves in two orthogonal planes, through an angle of 135° to 195° in one plane and through an angle of 15° to 60° in the other plane. The nozzle has... | 02/18/2003 |
| 6374454 | Device for cleaning air conduits Device to clean air ducts which, as it includes a header connected to a compressed air generator by means of a supply hose, is characterised because the header has a front part (5) which can be connected in an adjustable fashion, to a back part (4) provid... | 04/23/2002 |
| 6345409 | Vacuum nozzle for cleaning ceiling fan blades A vacuum nozzle attachment having a housing with a venturi-shaped internal air chamber, an angled head and brush-lined aperture, blade guides and an offset tapered tubular neck for attachment to a vacuum hose or wand. The constricted air chamber provides ... | 02/12/2002 |
| 6279197 | Ductwork cleaning system An accessory system for a ductwork cleaning machine that utilizes a vacuum hose having a rotating cleaning brush the vacuum and the power for the rotating brush being supplied from a remote power unit with a rotating drive cable being located within the v... | 08/28/2001 |
| 6269519 | Duct cleaning device A duct cleaning device including a flexible conduit having a first end and a second end with inlets at first end and outlets at second end to allow air to circulate within the conduit. A whipper located at first end is rotated by a drive shaft, housed wit... | 08/07/2001 |
| 6039490 | Drinking straw cleaning system A cleaning system for cleaning drinking straws and the like that includes a flexible, tubular brush structure having a tubular cavity formed therein between a closed insertion end and an open ended, threaded squeeze bulb reservoir connecting end, a number... | 03/21/2000 |
| 6032325 | Portable drive unit for rotational cleaning tools This invention is a portable device for cleaning air ducts, other parts of ventilation systems, and similar spaces. The device prevents motor burn-out by providing an adjustable slipping means in the transmission connecting the motor's shaft to a cleaning... | 03/07/2000 |
| 5868858 | Method and apparatus for cleaning heating air conditioning and ventilating ducts Method and apparatus for cleaning a heating, ventilating and air conditioning duct comprising a high pressure air emitting nozzle which is disposable inside the duct and an expansible and contractible draught member, which is responsive to differential pr... | 02/09/1999 |
| 5813089 | Duct cleaning apparatus An improved power-driven brush assembly is disclosed, useful for cleaning the interior surfaces of ducts, pipes, and other similar structures. The apparatus comprises a cable having a brush at one end, and a motor at the other end for spinning the cable a... | 09/29/1998 |
| 5802667 | Duct cleaning device A duct cleaning device, including a flexible conduit with a first, inlet end and a second, outlet end. An end cap with a central hole is attached to the first end; a connector adapted for coupling the device to a vacuum hose (or the inlet of a vacuum clea... | 09/08/1998 |
| 5768741 | Flexible pipe cleaning device and system This invention relates to a device and system for cleaning the interior of conduits, gun barrels, or pipes, including drain pipes. The pipe cleaning device of the present invention is capable of (a) penetrating and removing restrictions that block flow, (... | 06/23/1998 |
| 5735016 | Duct cleaning apparatus An apparatus for cleaning the interior surfaces of an air duct includes a housing. Brushes are mounted to the housing for sweeping engagement with the interior surfaces of the air duct. A video camera is mounted within the housing for generating an image ... | 04/07/1998 |
| 5715569 | Vacuum cleaner accessory for water heaters An accessory for a vacuum cleaner for cleaning sediment from the floor of the inside of an electrical hot water tank is received within the electrical heating element mounting port of the tank and is configured such that it may be manipulated in a 360 deg... | 02/10/1998 |
| 5706548 | Pressure washer A pressure washer sprays a pressurized liquid into a groove of a pavement, floor or similar surface to remove dirt and debris from the groove. The dirt and debris dissolves and/or becomes suspended in the liquid and is then removed from the pressure washe... | 01/13/1998 |
| 5655256 | Duct cleaning apparatus The present invention relates to an efficient duct cleaning apparatus that is readily adaptable for use in both rectangular and round ducts. In one embodiment, the invention provides a brush member with a hollow channel along the lower surface of the brus... | 08/12/1997 |
| 5608941 | Rotary brush for duct-work cleaning A rotary brush is especially useful in vacuum cleaning of duct interiors. The brush has a hub with a center hole for receiving a drive shaft of a power tool, an annular collar positioned over the hub, and a low density strand set of polymeric flexible str... | 03/11/1997 |
| 5584093 | Duct cleaning apparatus An apparatus for cleaning the interior surfaces of an air duct includes a housing. A conduit having an intake opening at one end thereof and an exhaust opening at the opposite end thereof is coupled to the housing. Brushes are mounted to the housing for s... | 12/17/1996 |
| 5535477 | Vacuum cleaner attachment A unique vacuum cleaner attachment specifically configured for dust removal from the interior of any 31/2 inch (88.9 mm) disk drive unit, commonly found in conjunction with electronic computer and word processor equipment. The attachment comprises a vacuu... | 07/16/1996 |
| 5535478 | Cleaning tool for removing lint from clothes dryers The present invention features a suction wand for use in cleaning lint from the lint-screen cavity of clothes dryers. This lint-catching tool is uniquely designed to provide a lint-loosening action in combination with a vacuum action. This dual action eli... | 07/16/1996 |
| 5535471 | Tool for cleaning LPCVD furnace tube A tool for cleaning the interior of a tube, such as a neck portion of a processing tube of an lpcvd apparatus, or the like, has a pipe that may have at least one hole, and preferably a plurality of holes, spaced from an insulating handle along the length ... | 07/16/1996 |
| 5533230 | Vacuum cleaner attachment fitting The invention is vacuum cleaner attachment for cleaning a surface within a confined space. In detail, the vacuum cleaner attachment fitting includes a first thin hollow rectangular member having a closed off first end and an open second end. A hollow tubu... | 07/09/1996 |
| 5528789 | Robotic duct cleaning apparatus The cleaning apparatus has a body with two wheels on opposite sides of the body which are driven by two electric motors for moving the body forward or rearward or for turning the body. A cleaning device which uses pressurized air is supported by the body ... | 06/25/1996 |
| 5488754 | Ceiling fan vacuum nozzle A new and improved ceiling fan vacuum nozzle with a T-shaped two piece housing having a first side and a second side, each having an upper portion and a lower portion. The upper portion has open end portions. The lower portion is integral with the downwar... | 02/06/1996 |
| 5472514 | Duct cleaning method A method and apparatus for cleaning ducts such as used in HVAC systems includes as part of the apparatus a propeller having pitched, flexible blades for rotatably engaging the interior duct surface for dislodging soot and propelling a cloud of soot along ... | 12/05/1995 |
| 5438729 | Apparatus for cleaning air ducts A cleaner for air distributing duct systems of buildings has a motor driven fan for developing a vacuum for the suction of contaminants and air from the interior of the ducts and for forcing the obtained contaminated air stream under positive pressure, re... | 08/08/1995 |
| 5347677 | Apparatus for cleaning isolated surfaces A cleaning apparatus as for inside surfaces in residential air ducts, employing a baffle that locally increases air velocity at the surface of the duct to the entrainment velocity that will remove dust and detritus with the help of reaction driven scourin... | 09/20/1994 |
| 5305494 | Airbrush vacuum system An airbrush vacuum system for removing paint particulate from the air that results from an airbrush painting operation. The airbrush paint vacuum system includes a vacuum chamber designed to fit interiorally of the garment being painted. A vacuum source i... | 04/26/1994 |
| 5286301 | Chemical vapor deposition system cleaner An apparatus for cleaning the interior surfaces of a vessel which includes a cleaning head supported and guided into the vessel by a rigid air shaft. The cleaning head is supplied with a process fluid and directs and removes the process fluid from a clean... | 02/15/1994 |
| 5197159 | Cleaning apparatus for product sorter viewing window Apparatus for cleaning a viewing surface of a product sorter viewer, the apparatus, in one embodiment, having a movable body for supplying air under pressure to the surface to remove debris or dust; and, in another embodiment, a viewer cleaning aparatus h... | 03/30/1993 |
| 5114444 | Filter arrangement including at least one drum-type filter A filter arrangement includes at least one drum-type filter. A suction device is provided for suctioning of the inside of the drum-type filter along a helical line. The suction device includes at least one suction hose and a suction nozzle provided at the... | 05/19/1992 |
| 5109567 | Duct air sweeper A main hose has one end which supports a hub and outward extending tubular members for rotation. Said one end of the main hose has inlet openings and the other end is coupled to a vacuum blower. A second smaller diameter hose extends into the main hose an... | 05/05/1992 |
| 5107568 | Duct sweeper The cleaning apparatus in one embodiment is formed by a housing member having a first flexible hose coupled to a first end and a smaller diameter second flexible hose coupled to a second opposite end. A turbine is supported for rotation within the housing... | 04/28/1992 |