Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7416580 | Filter assemblies and systems for intake air for fuel cells A filter assembly for removing particulate contaminants and chemical contaminants from an incoming dirty air stream for a fuel cell. The filter assembly also includes a noise suppression element that reduces sound waves or noise emanating from any equipment, such as... | 08/26/2008 |
| 7377954 | Performance air filtration cartridge An air filtration cartridge has annular filter media having a hollow interior and extending axially between first and second distally opposite end caps. The first end cap is an outlet end cap having flow straightening structure integrally formed therewith and spanni... | 05/27/2008 |
| 7320721 | Chemical filter and fan filter unit having the same In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for re... | 01/22/2008 |
| 7312991 | Electronic apparatus having a vibration absorber An optical access apparatus is provided. The optical access apparatus includes a mounting plate, characterized in that the mounting plate has a bent portion acting as a balance plate of the optical access apparatus. ... | 12/25/2007 |
| 7300484 | Blower having a carrying frame A blower has a carrying frame provided with a base plate. A fan with a fan housing is mounted on the carrying frame. The fan housing has an intake opening that faces the base plate and is spaced from the base plate. An intake gap is formed between the base plate and... | 11/27/2007 |
| 7288130 | Cassette filter A cassette filter comprising a frame and a pleated filter material that is inserted therein, in addition to a protective grid having passage holes. The protective grid is fastened at a distance from the filter material in the frame and has a flow resistance that is ... | 10/30/2007 |
| 7258715 | Air cleaner An improved filter element for use in an electrostatic precipitation air cleaning device, the filter element including rod electrodes arranged through a stack of alternating fluted plastic sheets and plate electrodes. Successive plate electrodes are arranged to make... | 08/21/2007 |
| 7247185 | Device for treatment of a gas flow Device for treatment of a gas flow having at least one body (3) that is adapted to cause a conversion in the composition of the gas. The device is characterized in that the body (3) has a modular construction comprising a plurality of sections (26, ... | 07/24/2007 |
| 7244290 | Electrostatic room air cleaner An electrostatic room air cleaner includes a housing having a given profile and a plurality of electrostatic precipitation collector units arrayed in the housing with a common fan to circulate room air through the plurality of electrostatic precipitation collector u... | 07/17/2007 |
| 7228935 | Attachment pin for an exhaust-gas muffler The invention relates to an attachment pin (1) for fixing an exhaust-gas muffler (2) in an apparatus part (4) of a portable handheld work apparatus (5) driven by an internal combustion engine. The exhaust-gas muffler (2) includes e... | 06/12/2007 |
| 7201787 | Air cleaner and method of controlling operation thereof An air cleaner and method of controlling an operation of the same is disclosed. The air cleaner includes a cabinet having an inlet and an outlet; a filter assembly removing dust and smell particles from a room air; a fan; a sensor assembly sensing the composition of... | 04/10/2007 |
| 7185678 | Orifice plate diffuser A noise reducing device for a pressurized fluid stream, i.e., a gas, includes a housing. An inlet end and an outlet end of the housing each have at least one orifice for passing a fluid therethrough. The inlet end orifice includes an inlet face and an outlet face an... | 03/06/2007 |
| 7179326 | Oxygen concentration apparatus An oxygen concentrating apparatus 10 for generating oxygen enriched gas by adsorbing and separating nitrogen gas from air, comprises; an oxygen concentrator 40 having an adsorption cylinder filled with adsorbent for adsorbing nitrogen gas, also having ... | 02/20/2007 |
| 7156903 | Sound enclosure for portable oxygen concentrators A portable pressure swing adsorption apparatus and conservation device for medical use, and a sound enclosure for the apparatus having two isolating sections to enclose the apparatus, the enclosure having an inlet in one of the sections for allowing ambient air into... | 01/02/2007 |
| 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 |
| 6936085 | Vacuum loader A specially arranged vacuum loader and industrial dust collector with a perforated plate tangential cyclone separator is provided to efficiently remove, readily collect, effectively separate and safely dispose of wet, dry and fibrous materials, including liquids and... | 08/30/2005 |
| 6911060 | Floor standing treatment device The present invention relates to a floor standing treatment device that has a front panel and a mainframe assembly adapted to be removably attachable to the front panel. The mainframe assembly has an integrally molded latching mechanism having a latch and one or mor... | 06/28/2005 |
| 6902597 | Floor standing treatment device The present invention relates to a floor standing treatment device that has a mainframe assembly and a back housing removably attachable to the mainframe assembly. The mainframe assembly comprises a fan and a fan scroll through which air is directed. The back housin... | 06/07/2005 |
| 6881237 | Air filter for an internal combustion engine An air filter housing for an internal combustion engine, which includes an unfiltered air capsule and a filtered air capsule, contains an orifice with perforations which are covered by air-permeable fabric or a sound element. Airborne sound emission occurs through t... | 04/19/2005 |
| 6824591 | Air filter for an internal combustion engine An air filter for an internal combustion engine includes an air filter housing, the walls of which encompass a filter compartment in which a filter element is positioned, having an intake and an exhaust. Openings that can be sealed off or opened up based upon the op... | 11/30/2004 |
| 6783579 | Combined air cleaner resonator An air cleaner assembly 10 includes a filter located within a housing 12 between an air inlet 20 and outlet 22 for filtering airflow therebetween. The air inlet 20 extends from the housing 12 to communicate with an air intak... | 08/31/2004 |
| 6740149 | Air cleaner To enlarge an opening area in an element retainer supporting a clean side of an element, to reduce resistance to air passage and thereby to enlarge intake air quantity. The interior of an air cleaner is surrounded by a case and a lid is partitioned by an element int... | 05/25/2004 |
| 6726742 | Air cleaner with a secondary intake An air cleaner intake door is provided. An air cleaner with at least one sidewall and an opening defined in the sidewall has a door mounted over the opening. The door is rotationally movable between an open and a closed position and a cam extends from the door. A sp... | 04/27/2004 |
| 6680028 | Portable air purifier apparatus and system A portable air purifier system and apparatus which includes a multi-element filter pack that is replaceable as a single unit, thus facilitating health safety of maintenance personnel. By serially disposing filter elements in order of descending sizes of p... | 01/20/2004 |
| 6626984 | High volume dust and fume collector An apparatus for removing dust and fumes from a flow of air, particularly a flow of air exhausted from an industrial work area. There is a large, cylindrical filter element mounted within a cylindrical collector barrel so as to define an annular flow spac... | 09/30/2003 |
| 6616722 | Room air cleaner A portable air cleaner designed to remove particles and unwanted gases from a room to provide for a healthier and cleaner environment. The portable air cleaner includes a high air volume circulating design and operates quietly and efficiently. The air exh... | 09/09/2003 |
| 6576028 | Noise abatement device and separation aid for use in fluid flow systems A device to be interposed within the conduit of a fluid flow system to reduce or eliminate the noise associated with such systems. The device is made up of at least two cylindrical chambers, one within the other. The inner chamber is closed at the top, ha... | 06/10/2003 |
| 6569217 | Industrial dust collector with multiple filter compartments A specially arranged industrial dust collector with multiple filtering compartments is provided which is efficient, effective, and economical. The special industrial dust collector has a solids-gas separation compartment which is positioned generally alon... | 05/27/2003 |
| 6551385 | Two stroke engine exhaust emissions separator A separator for substantially resolving at least one component of a process stream, such as from the exhaust of an internal combustion engine. The separator includes a body defining a chamber therein. A nozzle housing is located proximate the chamber. An ... | 04/22/2003 |
| 6517614 | Plastic hollow structure A multi-component hollow structure including at least two synthetic resin housing parts (1, 3) with corresponding sealing surfaces (2, 4), and at least one half wall per housing part, in which the half walls of one housing part meet corresponding half wal... | 02/11/2003 |
| 6478838 | Airflow system An air treatment appliance for treating surrounding air including a body. A spider-mount mounted to the body has a motor mounted thereto in cantilever fashion. A fan attached to the motor may be a radial fan, and is operable to draw in surrounding air and... | 11/12/2002 |
| 6451097 | Air treatment plant provided with noise attenuation means An air treatment plant includes a waste gas vent connected to structure (50) for attenuating the noise conducted by this waste gas. The noise attenuation structure (50) is a substantially closed and at least partially buried enclosure (52). The invention ... | 09/17/2002 |
| 6361590 | Low noise air cleaner A portable air cleaner including a housing defining an air inlet, an air outlet, and an air flow path therebetween, a centrifugal blower retained within the air flow path and operable to draw air through the inlet and a filter retained within the housing ... | 03/26/2002 |
| 6325844 | Filter and muffler device for vacuum mechanism A filter and muffler device for use with a vacuum mechanism having an outlet port is particularly designed to muffle sound exiting from the outlet port as well as to filter the outlet exhaust. The device includes a filter element which is generally rectan... | 12/04/2001 |
| 6228154 | Discrete venturi gas scrubber system A discrete pod gas scrubber system for removing contaminants from the air of a work area, such as a paint spray booth. Each scrubber pod includes an inlet section having opposed converging planar walls and side walls, an intermediate section having oppose... | 05/08/2001 |
| 6171380 | Microprocessor cooler with integral acoustic attenuator The air drawn into a diesel engine serially passes through a filter and a cavity, which acts as an acoustic attenuator, before being supplied to the cylinders of the diesel engine. In the cavity the air is in a heat transfer relationship with a heat sink ... | 01/09/2001 |
| 6136077 | Steam absorption apparatus An apparatus which absorbs gas that has been discharged from a pipe at a high velocity and which releases the gas to the atmosphere at a reduced velocity and with relatively low noise. The apparatus includes a container which has a container interior, a c... | 10/24/2000 |
| 6048386 | Integrated resonator and filter apparatus An integral filter and resonator apparatus includes filter elements positioned upstream of a Helmholtz resonator. The first embodiment includes filter elements positioned side by side within the housing. Other embodiments include a filter element with a t... | 04/11/2000 |
| 5917065 | Cyclone A cyclone for treating a gas flow (F) containing dust comprises a cyclone chamber (1) of circular cross section and having a vertical axis, and a central tube (7) of circular cross section, which is coaxially arranged in the upper portion of the cyclone c... | 06/29/1999 |
| 5840102 | Mobile pneumatic material transfer machine A material transfer apparatus and method, the apparatus having a material separating container, a filter unit, a vacuum unit and an exhaust unit, all mounted on a mobile conveyance. Air, carrying the materials to be transferred, is drawn through pneumatic... | 11/24/1998 |
