Bizarre Patents
A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7383607 | Agitation apparatus An agitation apparatus which is suitable for use in a cleaning head of a vacuum cleaner includes first and second flow paths. Each of these flow paths has a resonant cavity and an inlet/outlet port which joins the cavity to a space within the cleaning head. A genera... | 06/10/2008 |
| 7171725 | Vacuum cleaner device with a screw conveyor A device for a vacuum cleaner comprising a particle separator, which is provided with an inlet (11) for dust laden air, an outlet (16) for the separated particles, and an outlet (14) for cleaned air that is connected to a vacuum source (14 | 02/06/2007 |
| 7112247 | Canned gas dust remover with air ionizer In a method and system for removing particles from a surface, a portable, compressed gas can is provided containing a particle removal gas. An air ionizer unit is connected to the gas can. A high voltage potential is selectively actuated at a time when a nozzle of t... | 09/26/2006 |
| 6868785 | De-Duster for a moving printing material web and cutting device, folder and printing press having the de-duster A de-duster for a moving printing material web includes at least one blower nozzle assigned to a first side of the printing material web, and at least one blower nozzle assigned to a second side of the printing material web. The blower nozzles are set counter to web... | 03/22/2005 |
| 6789554 | Removing toner from printed material Toner xerographically adhered to a material, such as a sheet of paper, may be removed using a solvent-based or solventless approach. The application of ultrasonic tamping, scraping and brushing may aid in removing toner particles. In a solvent-based approach, a solv... | 09/14/2004 |
| 6662394 | Automatic cleaners for cleaning swimming pools An automatic pool cleaner of the type having an elongated body (11) with an inlet, a flexible seal (32) mounted on an end of the elongated body to bear against the surface of the wall or floor of the pool, a flip-flop valve (25) positioned adjacent the in... | 12/16/2003 |
| 6630032 | Method and apparatus for dislodging accrued deposits from a vessel Apparatus for dislodging an accretion of a substance from the vicinity of a vessel, includes apparatus for generating gas-borne shock waves in the vicinity of a vessel, thereby to expose a substance accrued on a surface thereof to separation forces causin... | 10/07/2003 |
| 6581232 | Pool cleaning apparatus Apparatus for use with automatic pool cleaners includes a tube which defines a flow channel for water drawn pump from the pool through a house by a remote pump. The tube includes tubular sections (10A, 10B) joined by a joint (11) which operates to move on... | 06/24/2003 |
| 6395102 | Method and apparatus for in-situ reticle cleaning at photolithography tool A method and system for cleaning a reticle. There is provided a clean chamber and a reticle having a pair of opposing edges and a pair of opposing surfaces which is to be cleaned disposed in the clean chamber. A gas inert to the reticle is directed in a d... | 05/28/2002 |
| 6195827 | Electrostatic air blower The present invention relates to an electrostatic air blower which is preferably intended for use in cleaning optofibers without risking the contamination of said fibers with, e.g., metal particles that may have been loosened from electrodes used in a cle... | 03/06/2001 |
| 6189176 | High pressure gas cleaning purge of a dry process vacuum pump A high pressure gas cleaning purge cleaning silicon oxide dust deposits from inside a dry vacuum pump while installed on a crystal grower. The high pressure gas cleaning purge is performed before or after each crystal is grown. The high pressure gas flow ... | 02/20/2001 |
| 5860187 | Cleaning system for removing dust deposits from ductwork The present invention discloses a portable cleaning system for ductwork and a method utilizing the cleaning system. The system includes a sound or air pulse generator for producing infrasound air pulses for short duration and introducing the air pulses in... | 01/19/1999 |
| 5778485 | Probe card cleaning apparatus, probe apparatus with the cleaning apparatus, and probe card cleaning method A cleaning apparatus for cleaning a probe card having a contact element to be brought into electrical contact with a pad of a circuit to be inspected, comprises a conductive brush to be brought into contact at least with the contact element to clean the p... | 07/14/1998 |
| 5737791 | Cleaner for a submerged surface A swimming pool cleaner has a body which defines a liquid inlet and an outlet which is connected via a hose to a source of suction. A throat between the inlet and the outlet defines a region of reduced cross-sectional area, causing a zone of low pressure ... | 04/14/1998 |
| 5649338 | Automatic interior cleaning system for a powdered material processing device An automatic interior cleaning system for a powdered material processing device cleans interior surfaces of powdered material processing devices such as silos, mixers, and dust collectors. A compressor and an accumulator tank supply a cleaning gas, prefer... | 07/22/1997 |
| 5634229 | Swiming pool cleaner A swimming pool cleaner comprising an operating head providing two inlet openings and passages therethrough connecting to a single outlet is disclosed. The cleaner includes a valve to close intermittently in one passage and, optionally, a restriction valv... | 06/03/1997 |
| 5593252 | Method of and device for suction transporting A material is transported by suction through a transporting line (1,2) connected with a suction source (4) and communicating with atmosphere through a passage (8), and the area and shape of the passage is periodically changed by a power-drive operated ele... | 01/14/1997 |
| 5504972 | Method and apparatus for removing deposits adhering on materials The present invention discloses a method and an apparatus for removing deposits from materials. By feeding unidirectional pulsating air pulsating while flowing in one direction, porous member (4), to materials (m) supplied from above the porous member (4)... | 04/09/1996 |
| 5433985 | Pool cleaner disc A disc for use with an automatic swimming pool cleaner which operates on a substantial intermittent reduction in water flow through the swimming pool cleaner is disclosed. The disc is made of flexible material and has grooves formed symmetrically across a... | 07/18/1995 |
| 5400466 | Vacuum cleaner with air vibration suction nozzle A vacuum cleaner with an air vibration suction nozzle for application to a workpiece, whereby air vibrations produced by a transducer supported and sealed in the nozzle housing vibrate the workpiece, or debris with respect to the workpiece, and any loose ... | 03/28/1995 |
| 5388304 | Dust removing system for panellike bodies A bottom wall of an air discharging chamber in a cleaner head is formed with an air jetting slit. The air jetting slit is arranged in the substantially perpendicular direction to the advancing direction of a panellike body. A bottom wall of an air sucking... | 02/14/1995 |
| 5337433 | Pool cleaner A pool sweep having a continuously-cycling, flow-interrupting valve at the upstream entrance to an inertial flow chamber. The valve has an entrance mouth with one or more closure lips pivoting been open and closed positions to open and close the mouth. Th... | 08/16/1994 |
| 5329665 | High velocity air and stationary disturber cleaner A high velocity air and stationary disturber cleaner for cleaning surfaces by drawing air under flexible film seals. A vacuum enclosed in a housing provides the suction force to draw the air under the seal, tangent to the surface to be cleaned, thus remov... | 07/19/1994 |
| 5317781 | High velocity air and stationary disturber cleaner A high velocity air and stationary disturber cleaner for cleaning surfaces by drawing air under flexible film seals. A vacuum enclosed in a housing provides the suction force to draw the air under the seal, tangent to the surface to be cleaned, thus remov... | 06/07/1994 |
| 5301380 | Cleaning apparatus for submerged surfaces A pool cleaner (1) has a suction head (2) with a flow interrupter having a ball (12) movable to interrupt a primary liquid flow through the suction head and a release means (16) is located downstream of the ball (12) and has a flow passage allowing an aux... | 04/12/1994 |
| 5291628 | High velocity air cleaner A high velocity air and stationary disturber cleaner for cleaning surfaces by drawing air under flexible film seals. A vacuum enclosed in a housing provides the suction force to draw the air under the seal, tangent to the surface to be cleaned, thus remov... | 03/08/1994 |
| 5201877 | Suction transporting device A suction transporting device for transporting a material has a suction unit, a transporting line connected with the suction unit and having an inlet for receiving a material to be transported and an outlet for discharging the material to be transported a... | 04/13/1993 |
| 5155885 | Vacuum cleaner and method for operating the same An output of a electric driven blower in a cleaner main body is controlled in response to a detection value of a pressure sensor which detects an operation condition in the cleaner main body. A change-over level setting value is provided as a control valu... | 10/20/1992 |
| 5033148 | Apparatus for cleaning a surface submerged in a liquid A submersible automatic swimming pool cleaner (10) comprises a body (13) defining a flow passage (14) extending between an inlet (15) thereto and an outlet (16) therefrom. An auxiliary inlet (15) to the passage is also defined in body (13). A flap (19) is... | 07/23/1991 |
| 4923374 | Method for producing pressure pulses in a mass of gas and a device for performing the method A method for producing selectively controlled pressure pulses in a mass of gas, particularly contained in a space of large dimensions. To achieve a sufficiently high power in the pulses, the pulses are generated by a valveless displacement machine in whic... | 05/08/1990 |
| 4817225 | Swimming pool cleaning device The invention relates to a cleaning device particularly a swimming pool cleaner for automatically cleaning submerged surfaces in which an induced flow through the cleaner is intermittently interrupted to cause random movement of the cleaner over the surfa... | 04/04/1989 |
| 4807318 | Suction operated cleaner This invention relates to an automatic pool cleaner, particularly suitable for domestic swimming pools which operate on the interruption of an induced flow of water through the cleaner and wherein the control of the interruption is effected through a tubu... | 02/28/1989 |
| 4677704 | Cleaning system for static charged semiconductor wafer surface A system for removing extremely fine specks of contaminants from a surface by means of applying air-borne vibrations to the speck coincident with creation of a neutral static charge acting on the speck.... | 07/07/1987 |
| 4527515 | Steam generator cleaning apparatus control system A control system for controlling a cleaning apparatus used for cleaning a steam generator includes a valve manifold which is controlled by a control console to direct a pressurized fluid to either a jetting outlet or a flushing outlet of the cleaning appa... | 07/09/1985 |
| 4468835 | Air vibrated dust brush A ribbon of flexible fabric (e.g., nylon) is folded and riveted near the fold to form an attachment loop. The loop is then coupled on a centrally located support rod inside an air duct, the ribbon ends extending beyond the exit of the duct. When air is fo... | 09/04/1984 |
| 4461651 | Sonic cleaning device and method A sonic cleaning device and method for removing accumulated fine particles from surfaces such as in heat exchangers using sonic energy vibrations. In the invention, a gas is passed through a tube having internally corrugated walls and having the tube outl... | 07/24/1984 |
| 4364147 | Apparatus for removing particles of dust from the surfaces of flat objects Apparatus for removing dust from the flat surfaces of stationary or moving sheets, webs, plates or similar objects has a unit which converts a low-pressure laminar air stream into a pulsating air stream. The pulsating stream contacts the surface of an obj... | 12/21/1982 |
| 4315344 | Vacuum cleaner with improved compressed air means A vacuum cleaning machine comprising a hood forming a traveling vacuum chamber with an optimum combination of suction nozzle means and jet stream means for projecting a plurality of individual jet streams at a flat angle with the surface that is to be cle... | 02/16/1982 |
| 4268929 | Method and apparatus for cleaning rugs and mats A method and a washing machine for cleaning of rugs or mats having a nap or pile side, whereby the rugs or mats are successively conveyed along a conveying path and are exposed to cleaning operations, at least one of which is a pulsating operation, during... | 05/26/1981 |
| 4208752 | Cleaning apparatus for submerged surfaces An apparatus for cleaning swimming pools in a stepwise movement over the pool walls comprises a balanced operating head having an inlet and an outlet, the outlet adapted to be swivelably connected to a longitudinally resilient and flexible suction hose. T... | 06/24/1980 |
