The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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 |
| 7374593 | Particle separator for a gas turbine engine A particle separator for separating particles and/or materials entrained in a flow of air is disclosed. The particle separator includes an annular inlet defined by an outer shroud and an inner shroud. An upper forward flow divider and a lower forward flow divider is... | 05/20/2008 |
| 7183104 | Separator and particle detection system The present invention is embodied in a system for collecting biological samples from air including a collection assembly to store at least one biological sample and a separator to remove selected particles from the air prior to entry into the collection assembly. In... | 02/27/2007 |
| 7160348 | Mist elimination hood A mist elimination device in the form of a hood for the removal of moisture from a gas stream treated by a WESP includes a series of gutters on the outer surface of the hood to trap liquid droplets and direct the moisture to channels to drain to the lower region of ... | 01/09/2007 |
| RE39313 | Procedure and filter device for removal and/or destruction of organic substances in contaminated air A procedure and a filter device (1) serving the purpose of removing and/or destruction organic substances in contaminated air. The filter device comprises at least one ventilator (12) for sending an air stream through a first chamber (14) with a... | 10/03/2006 |
| 6994738 | Snow filter A snow filter for an airplane cabin air supply system is provided with a coned inlet screen which allows some air to pass through and some snow to be retained. The coned configuration diverts much of the air and snow toward a downstream conical retaining and collect... | 02/07/2006 |
| 6968922 | Exhaust apparatus for vehicle An exhaust apparatus for a vehicle includes a spark arrester having a tubular spark arrester body assembled on a rear portion of a muffler connected to an exhaust pipe. A tail pipe is inserted in the spark arrester body and is mounted on the spark arrester such that... | 11/29/2005 |
| 6923911 | Method of filtering air through an air passageway The filter system for filtering particulate material from a generally unidirectional fluid stream comprising a first filter removably positioned in the fluid stream and a second filter removably positioned in the fluid stream downstream of the first filter. The firs... | 08/02/2005 |
| 6905528 | Conveying air filtration system An arrangement used for filtering out conveying air when supplying fiber material to a processing machine is provided. The arrangement has an essentially vertical filling chute for the fiber material, the chute having an upper intake opening and a lower exit opening... | 06/14/2005 |
| 6827025 | Hatch cover for a railroad hopper car A hatch cover adapted to be positioned over and close a hatch opening on a railroad hopper car. The hatch cover includes a rigid panel sized to cover the hopper car hatch opening. The panel for the hatch cover includes an inner skin, an outer skin, and a core materi... | 12/07/2004 |
| 6712884 | Particle trap and process for separating particles out of an exhaust gas flow and honeycomb body and exhaust system having a particle trap A particle trap, such as in a honeycomb body, for separating particles out of an exhaust gas flow, includes a flow channel. An exhaust gas flow which includes particles flows through the flow channel. Internals, such as projections, humps, protuberances or the like ... | 03/30/2004 |
| 6507282 | Filter monitoring system using a thermistor A system for monitoring a percentage of filter life remaining of a filter assembly of filter-fan devices. The system uses a single thermistor that is operated in two separate modes for monitoring the filter assembly. The thermistor is positioned in the ai... | 01/14/2003 |
| 6365119 | Method of operating a catalytic converter Constantly high efficiency of a catalytic converter can only be ensured when the configuration is maintained relatively free of particulate matter. A screen is disposed on the inflow side of the catalytic converter, which continuously or discontinuously t... | 04/02/2002 |
| 6251296 | Apparatus and method for separating particles from a cyclonic fluid flow A particle separation member is provided for use with a cyclone separator. The particle separation member divides the separator into a cyclone chamber and a particle receiving chamber. The cyclone chamber and the particle receiving chamber communicate via... | 06/26/2001 |
| 6228260 | Apparatus for separating particles from a cyclonic fluid flow A particle separation member is provided for use with a cyclone separator. The particle separation member divides the separator into a cyclone chamber and a particle receiving chamber. The cyclone chamber and the particle receiving chamber communicate via... | 05/08/2001 |
| 6179969 | Procedure and filter device for removal and/or destruction of organic substances in contaminated air A procedure and a filter device (1) serving the purpose of removing and/or destruction organic substances in contaminated air. The filter device comprises at least one ventilator (12) for sending an air stream through a first chamber (14) with an opening,... | 01/30/2001 |
| 5961675 | High efficiency compact Cybagfilter A high efficiency compact gas-particulate separator is provided comprising: a bag filter disposed above and a cyclone disposed below, the bag filter including: a casing, a compressed air header into the casing; a diaphragm valve on the header; a blow tube conn... | 10/05/1999 |
| 5665130 | Riser terminator for internally circulating fluid bed reactor A fenestrated centrifugal terminator is described for use in an internally circulating fluid bed reactor or conventional riser reactor. It includes a tubular member having a straight vertical tubular portion the lower end of which is adapted for attachmen... | 09/09/1997 |
| 5525133 | Gas pipeline drip Known drips for gas transmission pipelines do not work effectively for two phase liquid-gas flows. Disclosed is a drip having two parts; a flow separator and a receptacle. The flow separator comprises a pipe having circumferential apertures in the wall. S... | 06/11/1996 |
| 5407456 | Exhaust gas purifying device for vehicles An exhaust fume purifying device includes a separator for receiving exhaust fumes and cooling water from the engine of a vehicle to mix the exhaust fumes and water so as to dissolve the toxic component of the exhaust fumes and allow cleaned gas separated ... | 04/18/1995 |
| 5401914 | Vent for shielded enclosures A shielding vent for an electromagnetic interference shielded enclosure having an electrically conducting wall shield includes a mounting plate or flange through which extends a vent pipe with an internal septum plate or divider extending axially along at... | 03/28/1995 |
| 4778491 | Continuously operated and cleaned filter apparatus Dirty air contaminated with cotton dust or the like is alternately directed against the left-hand section of a filter screen, then the right-hand section by a pair of movable baffle plates or vanes. While the dirty air impinges upon one section of the fil... | 10/18/1988 |
| 4581048 | High-speed water separator A high-speed water separator comprising a multiplicity of spaced, hollow deflection vanes located in the change of direction plane of a pipe elbow. The suction openings present on the concave vane side are holes located in rows along the vane, these holes... | 04/08/1986 |
| 4523934 | Filter-degasser An all-TEFLON filter-degasser for removing solids and gases from a solvent. The filter-degasser has a filtering portion, a vacuum application portion downstream of the filtering portion, and a solvent bottle connecting portion. The vacuum application port... | 06/18/1985 |
| 4454849 | Canister for internal combustion engine A canister to be used in the fuel supplying system of an internal combustion engine of a vehicle, is disclosed. The canister is provided with a fuel vapors guiding pipe for guiding the fuel vapors from a fuel vapors inlet port into a bed of adsorbent mate... | 06/19/1984 |
| 4341540 | Vacuum cleaner accessory The present accessory is connected between the pickup head and the intake of a dry vacuum cleaner to catch water drawn in through the pickup head when the vacuum cleaner is in operation. The accessory has a housing with a water collection chamber and a ba... | 07/27/1982 |
| 4326865 | Air intake unit for an internal combustion engine An air intake unit for an internal combustion engine, especially for installation in a zone of a roof of a driver's cab of a utility vehicle. The air intake unit includes an approximately square intake box having an inlet port located along a longitudinal... | 04/27/1982 |
| 4279629 | Fire prevention filter for chimneys and the like This invention is concerned with a removable filter to prevent the buildup of Creosote in chimneys which become vulnerable to fires. A hollow enclosure means that is adapted to connect between the chimney and the fire source has within it a support for mountin... | 07/21/1981 |
| 4165680 | Fume extraction canopy with baffle deflector A fume extraction assembly comprises an elevated canopy adapted to collect fume; and elongated outlet means offset from an apex of the canopy and having gas flow characteristics compensating for a tendency to uncontrolled extraction rates along said outle... | 08/28/1979 |
| 3996015 | Catalytic reactor with dirt trap An apparatus for contacting a fluid stream with a bed of catalyst wherein solid particulate matter is removed from the fluid stream before contact with the catalyst bed. The fluid stream is tangentially discharged into a circular trough located in an uppe... | 12/07/1976 |
| 3972678 | Apparatus for controlling odors A method of treating air containing odoriferous substances of both large and small molecular weights includes the step of establishing a flow of the air containing the odoriferous substances. The stream of flowing air is exposed to a bath in the form of a... | 08/03/1976 |
| 3954428 | Precision aerosol divider A precision aerosol divider used primarily as a calibration device for a mass monitor instrument. The divider is made up of a filter holder with an isokinetic probe in the center that is connected to the inlet of the monitoring instrument. This type of ar... | 05/04/1976 |