Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 7758680 | Tractor The present invention provides a tractor in which necessity of maintenance of a precleaner can be checked without opening a bonnet every time. In a tractor in which the outside air which is purified through a precleaner is further purified through an air cleaner bef... | 07/20/2010 |
| 7744683 | Transparent filterable dust bag with support container for vacuum cleaner The removable apparatus of a transparent filterable dust bag with a support container is designed as an attachment for a vacuum cleaner and like. A transparent filterable dust bag having an outer transparent wall and an inner filter cone coincides within a transpare... | 06/29/2010 |
| 7722709 | Vacuum cleaner with an illuminated interior A surface cleaning apparatus having an outer surface and comprises a dirt inlet, a handle, a cyclone separator having a cyclone separator interior and an outer wall having an inner surface, the cyclone separator comprising a cyclone chamber and a dirt collection cha... | 05/25/2010 |
| 7537648 | Filter service life estimator A mechanical device is used to estimate a service life of an air filter exposed to a certain chemical at various concentrations, flow rates, and relative humidity conditions. The device includes two members, one of which has at least one window, connected so that th... | 05/26/2009 |
| 7442237 | Multi-agent end-of-service-life indicator for respirator filters An end-of-service-life-indicator for a multi-agent respirator filter that is safe, reliable, and easy to read and may be configured to cover a broad range of threats, including chemical warfare agents and toxic industrial chemicals, is achieved by positioning an arr... | 10/28/2008 |
| 7399346 | Quick-change filter system and a base and a quick-change filter intended for such a system A quick-change filter system including at least one base, and at least one quick-change filter having an inlet, an outlet, and a filter housing. The base includes a filter coupling part having a gas inlet stub for connection to the inlet, and a gas outlet stub for c... | 07/15/2008 |
| 7335243 | Modular biosafety containment apparatus and system The present invention relates to apparatus and systems for isolating hazardous agents and organisms from their handlers and the public. In particular, the present invention relates to modular negative pressure biological containment chambers. ... | 02/26/2008 |
| 7332054 | Etch apparatus In a process using a hot phosphoric acid etchant (12) to etch silicon nitride on a semiconductor wafer (15) submerged in a tank (11) of the etchant (12), a recirculating path is established for the etchant (12). A porous filter ( | 02/19/2008 |
| 7332004 | Effluent filtering and containment apparatus An apparatus for filtering and containing grease or other effluent discharged from a drain spout of an exhaust fan includes a hollow housing and top and bottom portions covering each end thereof. A filter element disposed within the housing for filtering the effluen... | 02/19/2008 |
| 7329292 | Process byproduct trap and system including same A trap device including at least one substance delivery element for introducing a substance therein is disclosed. The delivered substance may influence the nature of deposits that have formed within the trap device, may influence the formation of deposits within the... | 02/12/2008 |
| 7316720 | Securing device for a filter element A securing device for a filter element, which can be detachably mounted on an extractor hood, has a connecting implement for detachably connecting the filter element to the associated extractor hood. The connecting implement catches the filter element when detaching... | 01/08/2008 |
| 7303605 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 12/04/2007 |
| 7254850 | Radial arm system for patient care equipment A system for supporting patient care equipment alongside a patient support is provided. In one embodiment, the system includes a plurality of arms supported by a support structure. The arms may be pivoted to either side of the patient support. The arms may be stored... | 08/14/2007 |
| 7198656 | Vacuum cleaner There is disclosed a vacuum cleaner including a dust separation section which separates air and dust flowing toward an intake port of a motor blower through a connection port of a cleaner main body. The dust separation section includes an air path forming member whi... | 04/03/2007 |
| 7146681 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communication with an... | 12/12/2006 |
| 7144438 | Dust collecting container for vacuum cleaner A dust collecting container for a vacuum cleaner is removably mounted in a suction chamber of a cleaner body to filter a dust from a dust-laden air being drawn into the suction chamber through an air suction hole that is connected with the outside. The dust collecti... | 12/05/2006 |
| 7143469 | Dirt collecting system The invention is floor care appliance such as vacuum cleaner having two embodiments of a dirt particle separating and collecting system removably inserted into a recess in the floor care appliance's housing. One embodiment of the dirt particle separating and collect... | 12/05/2006 |
| 7141101 | Filter assembly with noise attenuation A filter assembly configured for acoustic dampening for use with compressor assemblies such as oxygen concentrators including a compartmented housing member having an inlet opening, an outlet opening, a filter member, and a plurality of noise attenuating members pos... | 11/28/2006 |
| 7115149 | Cast separator tank A separator tank assembly comprising a cast hollow tank and a cast lid. The cast hollow tank has a closed end and an open end having a first opening and a second opening. The cast lid has a first passage configured for fluid communication with the tank first opening... | 10/03/2006 |
| 7097680 | Cyclone separating apparatus and vacuum cleaner equipped with the same Disclosed is a cyclone separating apparatus, and a vacuum cleaner having the same. The cyclone separating apparatus includes a first cyclone separating dust from dust-ladened air. A plurality of second cyclones centrifugally separate fine dust particles from air whi... | 08/29/2006 |
| 7094266 | Multipurpose, self-contained, portable and odor-free workstation A novel sanitary and odor free workstation having two spaced apart, transparent plate members that are operatively interconnected to a vacuum source and in combination define a vacuumed air evacuation area that functions as a workstation between the plate members. T... | 08/22/2006 |
| 7094268 | System and method for removing pollutants from a roadway Systems and methods for removing hydrocarbons and other pollutants from roadway surfaces are provided. The systems can include a pollution trap attached to a vehicle, where the pollution trap comprises an absorbent pad, filter, or membrane. The pollution trap is aff... | 08/22/2006 |
| 7065811 | Radial arm system for patient care equipment A system for supporting patient care equipment alongside a patient support is provided. In one embodiment, the system includes a plurality of arms supported by a support structure. The arms may be pivoted to either side of the patient support. The arms may be stored... | 06/27/2006 |
| 7044991 | Dust-collecting structure of a dust-collecting device A dust-collection structure of a dust-collection device includes a body, a dust-collection module, a moving seat and a dust-filtering module. The cart body is provided with a blower having a driving member and the top face of the blower is provided with a connection... | 05/16/2006 |
| 6997975 | Universal pan lid absorbing and filtering steam and smell A universal pan or pot lid is disclosed, absorbing and filtering steam and smell with the optional aid of a sucking fan. This lid preferably of transparent material is provided with a filter changing color when it is saturated and arranged in a burn proof ergonomic ... | 02/14/2006 |
| 6979361 | End of service life indicator for fluid filter An end of service life indicator (ESLI) device for a fluid filter is included on the filter and visually indicates when the life of the filter has expired. The ESLI indicates the depletion of the filter by changing the color density on a surface of the device to a c... | 12/27/2005 |
| 6976911 | Method and apparatus for filtering airborne contaminants A method and apparatus for removing airborne contaminants in residential or commercial buildings injects filtered air into these enclosures. Prior to be injected in these enclosures, the air is filtered for chemical, biological or radioactive hazards. The filtering ... | 12/20/2005 |
| 6974560 | Electro-kinetic air transporter and conditioner device with enhanced anti-microorganism capability An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The airflow is subjected to UV radiation from a germicidal lamp within the device. The conditioner includes an ion generator that has an electrode ass... | 12/13/2005 |
| 6966936 | Processing system, evacuating system for processing system, low-pressure CVD system, and evacuating system and trapping device for low-pressure CVD system An object of the present invention is to ensure the stable operation of a vacuum pump for discharging an unused source gas and reaction byproduct gases from a low-pressure processing chamber, to recover the reaction byproducts efficiently for the effective utilizati... | 11/22/2005 |
| 6958134 | Electro-kinetic air transporter-conditioner devices with an upstream focus electrode An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The conditioner includes an ion generator that has an electrode assembly including a first array of emitter electrodes, a second array of collector el... | 10/25/2005 |
| 6955700 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 10/18/2005 |
| 6953556 | Air conditioner devices An air conditioner includes an ion generator that provides ions and safe amounts of ozone. The ion generator includes a high voltage generator that provides a voltage potential difference between first and second electrode arrays. At least one of the first and secon... | 10/11/2005 |
| 6923848 | Collecting apparatus of floating dusts in atmosphere A collecting device for collecting particles floating in the atmosphere includes a collecting container; a pump for sucking the atmosphere into the collecting container; a discharge electrode disposed in the collecting container for generating single polarity ions t... | 08/02/2005 |
| 6918952 | Quick-change filter system and a base and a quick-change filter intended for such a system A quick-change filter system provided with at least one base and at least one quick-change filter, which base is provided with a filter coupling provided with a gas inlet stub for connection to an inlet of the filter and with a gas outlet stub for connection to an o... | 07/19/2005 |
| 6912968 | Schedule indicator A schedule indicator (14) is provided having a wall with a first selection arrow (13) and a base (16). The base has an annular bottom wall (18) with an annular array of upwardly projecting protrusions (20). The schedule indicator a... | 07/05/2005 |
| 6913689 | Methods and apparatus for removing sediment from a liquid using pulses of pressurized air Methods and apparatus for removing sediment from a liquid are provided. Pulses of pressurized air are directed into a conduit having an inlet disposed within a first liquid-containing vessel adjacent to (or within) the sediment to cause a slurry of liquid and sedime... | 07/05/2005 |
| 6911186 | Electro-kinetic air transporter and conditioner device with enhanced housing configuration and enhanced anti-microorganism capability An electro-kinetic air conditioner for removing particulates from the air creates an airflow using no moving parts. The airflow is subjected to UV radiation from a germicidal lamp within the device. The conditioner includes an ion generator that has an electrode ass... | 06/28/2005 |
| 6908501 | Electrode self-cleaning mechanism for air conditioner devices An air conditioner with a cleaning member having an opening, through which a wire-like electrode passes. The member is moved along the wire to frictionally clean the wire-like electrode when a collector electrode array is moved. A lifting arm is mounted to the colle... | 06/21/2005 |
| 6908502 | Deodorizer mounting A deodorizer mounting for engagement into a wall-mounted electrical outlet box including an adsorber unit for removing gases and odors from the ambient atmosphere, a generally L-shaped bracket including a horizontal leg and a vertical leg, a cover plate having a fro... | 06/21/2005 |
| 6881246 | Collecting device for suspended particles A collecting device for collecting suspended particles includes a mobility analysis device; a collecting container connected to an outlet of the mobility analysis device; a discharge electrode disposed inside the collecting container for charging the particles insid... | 04/19/2005 |