Celebrity Inventors
Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
PatentStorm News
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 |
| 7438735 | Filter apparatus with automatic cleaning A filter apparatus includes a gas-impermeable outer conduit having an open end and a closed end. The interior of the outer conduit is axially divided into first and second sides. A first clean and first dirty flow path are defined within the first side. A first gas-... | 10/21/2008 |
| 7326265 | Method for cleaning the upstream surface of a particulate filter The invention concerns a method for cleaning the upstream surface (14) of a particulate filter (10) of a heat engine exhaust line, the filter (20) being arranged in a casing (12) having an outlet (22) for exhaust gases. The method ... | 02/05/2008 |
| 7309365 | Vacuum cleaner A vacuum cleaner including an electric blower for generating suction air, a collecting unit for collecting dust contained in the suction air, a dust removing unit for removing dust adhered to the collecting unit, and a dust removing stop unit for stopping an operati... | 12/18/2007 |
| 7296402 | Diesel particulate filter service method A diesel particulate filter of a motor vehicle is cleaned of ash, typically using equipment already available in a service shop. The filter apparatus is disconnected from the exhaust system of a motor vehicle. The filter apparatus is reversed and reconnected to the ... | 11/20/2007 |
| 7199711 | Mobile floor cleaner data communication In a method of communicating data from a mobile floor cleaner to a remote receiver a data communication is initiated from a communicator of the mobile floor cleaner to the remote receiver and data is communicated to the remote receiver with the communicator. ... | 04/03/2007 |
| 7191592 | Diesel engine exhaust system Apparatus and a method for controlling gas flow into a combustion engine exhaust gas filter e.g., to control filter temperatures during filter regeneration, comprising providing a fluidic exhaust stream diverter proximate to and centrally of the inlet face of the fi... | 03/20/2007 |
| 7163663 | Reactor for plasma assisted treatment of gaseous A plasma reactor (11) of the silent discharge or dielectric barrier type for treatment of a gaseous medium is provided with a layer of material (34) positioned to present a surface extending along at least part of the length of the gas flow path. Parti... | 01/16/2007 |
| 7147683 | Back-flow valve and trigger for a cleaning machine A valve and trigger cyclically connect a vacuum and a blower to a filter. The valve box has three openings, the first connectable to the vacuum, the second connectable to the blower and the third connectable to the filter. A gate inside the box, biased by the blower... | 12/12/2006 |
| 7124463 | Conveyor lip for motorized street sweeper A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the b... | 10/24/2006 |
| 7108739 | Efficiently regenerated particle trap for an internal combustion engine and method of operating same Particle traps are often used to reduce particulate emissions from internal combustion engines to acceptable levels. In order to maintain the particulate traps, they must be periodically regenerated in order to burn off the trapped particles. Strategies for efficien... | 09/19/2006 |
| 7082640 | Ambient air backflushed filter vacuum A vacuum cleaning machine has a cannister with an inlet port and at least two outlet ports. At least two filters are disposed inside of the cannister, one in pneumatic communication through each of the outlet ports. At least two valves are disposed outside of the ca... | 08/01/2006 |
| 7067092 | Treatment of gaseous emissions A reactor chamber forms part of an exhaust system of an internal combustion engine. Within the chamber are electrodes between which there is disposed a bed of active material through which, in use, the exhaust gases pass. In the presence of an electrical discharge, ... | 06/27/2006 |
| 7051399 | Cleaner cartridge A cleaner cartridge includes a container having an interior cavity, in which cleaning agent can be stored. A first end of conduit is fluidically coupled to the interior cavity. A second end of the conduit is connectable to a chemical dispenser. ... | 05/30/2006 |
| 7024719 | Sweeper drag shoe A sweeper drag shoe used with a rotary broom in sweeping, whereby escaping debris from under a contact skid is recaptured. The sweeper drag shoe contains a deflection plate that redirects bristle tip movement inwardly to allow the broom to recapture debris which esc... | 04/11/2006 |
| 6959466 | Power management system for street sweeper A power management system for a surface maintenance machine, such as a street sweeper is disclosed. The system includes a variable speed engine for transporting the surface maintenance machine, a hydraulic pump powered by the engine, a vacuum fan motor powered by th... | 11/01/2005 |
| 6924040 | Thermal barrier coating systems and materials A ceramic material has particular utility as a thermal insulating or thermal barrier coating on metallic substrates. The ceramic material includes gadolinia and hafnia, preferably forming gadolinia-hafnia. This material exhibits chemical stability, thermal stability... | 08/02/2005 |
| 6887290 | Debris separation and filtration systems The invention provides a debris separation-filtration unit comprising a housing; an inlet that receives debris-laden air delivers the air in a tangential, centrifugal airflow-forming manner to the interior of housing; an inner shell that includes a number of airflow... | 05/03/2005 |
| 6830599 | Back-flow valve and trigger for cleaning machine A valve and trigger cyclically connect a vacuum and a blower to a filter. The valve box has three openings, the first connectable to the vacuum, the second connectable to the blower and the third connectable to the filter. A gate inside the box, biased by the blower... | 12/14/2004 |
| 6749405 | Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator A reversible pivoting vane rotary compressor includes a housing having a generally cylindrical chamber defined by an inner wall. A rotor is mounted eccentrically within the chamber to define about the rotor a generally crescent shaped compression chamber, which narr... | 06/15/2004 |
| 6645275 | Apparatus and methods for removing fines from a gas stream A bag house is mounted on a portable trailer and has a tube sheet with depending filter bags in part defining a first plenum for receiving a gas stream with fines and a second plenum for receiving clean gas from the filter bags. The fines are collected in... | 11/11/2003 |
| 6572682 | Self-cleaning filter system using direct electrically heated sintered metal fiber filter media A Diesel particulate filter cartridge system for filtering particulate matter and nitrogen oxide from a flow of air containing particular matter includes a filter support plate with a plurality of cylindrical electrically regenerable filter media members ... | 06/03/2003 |
| 6458178 | Filter dedusting arrangement in a vacuum cleaner The invention relates to a filter dedusting arrangement in a vacuum cleaner, wherein dedusting of the filter or filter-parts is effected by supplying a secondary airflow, in a known manner. The distinctive feature of the invention is that the secondary ai... | 10/01/2002 |
| 6375695 | Method and apparatus for processing exhaust gas Filter has a filter main body, a container, a first counter room, and a second counter room. A counter air is introduced into the first counter room through the counter air discharge valve, and fine particles trapped in the filter main body are removed an... | 04/23/2002 |
| 6365108 | Siloxane filter for O2 sensor for bio-gas engine A siloxane filter system for protecting an oxygen probe utilized in an internal combustion engine fueled by bio-gases, the filter system having a stainless fiber filter removably disposed in a housing having and inlet port and an outlet port disposed in f... | 04/02/2002 |
| 6120572 | Ring-shaped air distribution disc and an air distribution device having such an air distribution disc A ring-shaped air distribution disc (11) for an air distribution device for providing rinsing air to an air cleaner provided with filter bags is provided. The ring-shaped air distribution disc (11) has a width that slightly exceeds the diameter (d) of at ... | 09/19/2000 |
| 6120583 | Exhaust gas purifier and operating method thereof An exhaust gas purifier, having three or more filter units parallel, wherein if at least one filter unit fails during its generation, it is compensated by the cyclic operation of the maining filter units so that the total function of the exhaust gas purif... | 09/19/2000 |
| 6117200 | Electromagnetic filter cleaning system A mobile surface maintenance machine has a cleaning brush and a dust collection system mounted on the machine. The dust collection system includes a vacuum fan, a filter housing having an air inlet and a pleated filter element positioned within the housin... | 09/12/2000 |
| 6090172 | Exhaust gas filtering process and unit with modulable heating The present invention is a filtering unit providing after-treatment of the gases emited in the exhaust of Diesel engines, comprising a filtering set which includes at least one filtering element (11, 12, 13); at least one resistive element (3) which heats... | 07/18/2000 |
| 6090187 | Apparatus and method for removing particulates in exhaust gas of an internal combustion engine collected by exhaust particulate remover apparatus Two filters provided in an exhaust path of an internal combustion engine are used to simultaneously collect particulate in an exhaust gas and are alternately refreshed. When a refresh timing of the filters comes, a determination is made as to which of the... | 07/18/2000 |
| 6010547 | Counterflow type particulate matter filter trap system having metal fiber filter Disclosed is a counterflow type filter trap system for filtering particulate matters from engine exhaust gases. A controller for receiving and sending information signals, is included. A metal fiber filter for capturing particulate matters included in the... | 01/04/2000 |
| 5853438 | Filter regenerating mechanism for exhaust black smoke removing system A filter regenerating mechanism for a reverse-cleaning regenerative exhaust black smoke removing system, wherein the air injection quantity is reduced, and the filter regenerating effect is improved to reduce a pressure loss due to the filter. Each time e... | 12/29/1998 |
| 5591240 | Powder paint booth backflow filter apparatus A novel filtering apparatus particularly adapted for a transportable, modular powder spray painting booth with backflow cleaning capability by having two sets of filters each associated with a separate output chamber such that in normal use, a vacuum draw... | 01/07/1997 |
| 5584913 | Dust collector with two stage self-cleaning of filter elements A dust collector for removing foreign matter entrained in a flow of transport air, which includes individual pulse jet cleaners for each of a plurality of filter elements, and a second pulse jet cleaning arrangement that is located centrally of the filter... | 12/17/1996 |
| 5549734 | Baghouse cleaning method A bag cleaning apparatus removes caked dust from the bags of a baghouse and prevents the removed dust from being recaptured. The outlets of each bag subject to cleaning and all adjacent bags are closed during the cleaning process and for a sufficient time... | 08/27/1996 |
| 5514194 | Self-cleaning gas filtering apparatus An improvement to self-cleaning gas filters, gas filter-separators or gas filter-coalescer devices is disclosed. The improvement reduces the waste of gas during a self-cleaning cycle, by utilizing a single cage window rather then the usual plurality of ca... | 05/07/1996 |
| 5439494 | Self-cleaning gas filtering apparatus An improvement to self-cleaning gas filters, gas filter-separators or gas filter-coalescer devices. The improvement reduces the waste of gas during a self-cleaning cycle by a series of mechanical refinements to the internal seals, by improving the manufac... | 08/08/1995 |
| 5247547 | Improvements in gloveboxes and like containments A containment, such as a glovebox (3), includes an extract system comprising an extract suction means, a filter housing (4), and a vortex amplifier (1) controlling the extent of suction by the suction means from the containment, wherein the vortex amplifi... | 09/21/1993 |
| 4737172 | Textile machine air filter A textile machine filter has its filter surface divided into zones which can be independently wiped by a stripper movable into juxtaposition with the zones or by respective strippers assigned to each one. A common collection space is provided beneath the ... | 04/12/1988 |
| 4681604 | Multistage fluid filter and method A fluid filter (10) comprises a plurality of separate filtration chamber (14-18) with a fluid inlet (12) and a fluid outlet (13). All of the filtration chambers (14-18) are identical and each contain two vertically-spaced doors (28, 29) on one end and two... | 07/21/1987 |
| 4655799 | Pulse cleaning system for dust filters A cleaning system for dislodging dust from the filter bags of a dust filter having dirty and clean air plenums separated by a tube sheet. The tube sheet is divided into segments each having filter bag openings arranged in the same pattern. An air accumula... | 04/07/1987 |
