Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7980927 | Fume hood with floor access opening A fume hood is described for use in removing material from, or inserting material into, the opening of a container. The fume hood enclosure has a floor with an opening for insertion of the upper end of the container into the enclosure. The floor includes a circumfer... | 07/19/2011 |
| 7963830 | System for directing and controlling two separate streams of air to a kitchen A system for directing two separate streams of air to a commercial or industrial kitchen environment. The system includes a dual airflow plenum that is normally disposed adjacent a kitchen exhaust hood. Typically one stream of air is a tempered, that is heated or co... | 06/21/2011 |
| 7601054 | Zone control of space conditioning system with varied uses A space conditioning system for a building including production and occupied spaces provides precise control of exhaust and space conditioning equipment by taking into account multiple conditions and by using predictive control. The control method and system are ill... | 10/13/2009 |
| 7381127 | Apparatus for transferring hazardous material An apparatus is described for transferring hazardous material between the interior of a container and the chamber of a fume hood having a port that includes a flexible enclosure with an upper surface, a lower surface and a side surface; a first conduit extending fro... | 06/03/2008 |
| 7347773 | Silencer for fume extracting hoods The silencer for fume extracting hoods is comprised of a panel (1) consisting of a lower tray (4), an insulating intermediary sheet (5), and an upper or porous filling foamed material (6) acting as a sound absorbing and limiting or dampin... | 03/25/2008 |
| 7285042 | Electronic apparatus case having ventilation system A case having a ventilation system for ventilating a heat generation source disposed in the case, includes: a first sub-case and a second sub-case which is joined to the first sub-case; a first gap provided in a surface of a joining section between the first sub-cas... | 10/23/2007 |
| 7252100 | Systems and methods for processing a set of circuit boards A circuit board processing system includes a wash tank configured to contain cleaning fluid, and a positioning subsystem configured to immerse a set of circuit boards into the wash tank. The system further includes a flow control subsystem having (i) a first set of ... | 08/07/2007 |
| 7198567 | Desktop-type ventilation system A desktop-type ventilation system generally includes a ventilation hub having at least one vent and at least one fume hood connected thereto. The fume hood(s) generally include a pair of side walls, wherein each is disposed at an angle for directing and causing air ... | 04/03/2007 |
| 7193501 | Enclosure system allowing for hot work within the vicinity of flammable and combustible material An enclosure constructed around an area at which hot work is to be performed at a facility containing flammable or combustible material. Hot work includes such things as welding, torch cutting, grinding and the like. Facilities include petroleum drilling and product... | 03/20/2007 |
| 7147553 | Portable smoking room A portable smoking room having a flexible enclosure defining a room detachably mounted on a frame is provided. A duct is detachably mounted to the frame for transporting smoke laden air within the flexible enclosure outside of the flexible enclosure. A fan detachabl... | 12/12/2006 |
| 7114447 | Flexographic printer with enclosures at a regulated temperature and vapor extraction The invention relates to a flexographic printer comprising: inner dividing means which, together with a surround casing, define first, second and third enclosures; and fluid circulation means which are used for the circulation of at least one fluid at a regulated te... | 10/03/2006 |
| 7091848 | Enclosure system for hot work within the vicinity of flammable or combustible material One or more enclosures constructed about one or more objects at which hot work is to be performed at a facility containing flammable and/or combustible material. Hot work includes such things as welding, torch cutting, grinding and the like that produces heat, spark... | 08/15/2006 |
| 7073442 | Apparatus, systems and methods for use in three-dimensional printing Apparatus, systems and methods for use in three-dimensional printing are shown and described. Various embodiments of the invention allow for more precise and controlled delivery of heat to achieve interlayer drying; isolation of the working region from the outside f... | 07/11/2006 |
| 7073464 | Veterinary height adjustable wet table A height adjustable veterinary wet table can be lowered in elevation to assist in locating animals to the wet table surface and can be raised to an elevation desirable for veterinary treatment of the animal with material received by the wet sink transferred to a dra... | 07/11/2006 |
| 7040239 | Downdraft table A downdraft table includes an enclosure connected to a downdraft mat member that provides a work surface, a support apparatus, and a conduit member capable of providing dust collection to the work surface. The downdraft mat includes a plurality of through points and... | 05/09/2006 |
| 7036798 | Mobile barrier to control litter and wind A mobile barrier for use in wind control, reduction of blowing litter and suspension and transport of airborne contaminants with applications in areas of landfill maintenance, agriculture, erosion control, and snow control is described. The mobile barrier is a large... | 05/02/2006 |
| 7037359 | Grease containment system A device, system, and method for collecting grease on rooftop exhaust fans, comprising a gasket formed of sorbent material. The gasket is dimensioned for placement between an exhaust fan and a base for the exhaust fan. When placed between the exhaust fan and the bas... | 05/02/2006 |
| 7014672 | Carrying vehicle, manufacturing apparatus, and carrying system According to the present invention, in a carrying system comprising a carrying vehicle and a manufacturing apparatus the interior of which is kept cleaner than a surrounding environment, manufactured articles to be transferred are prevented from being contaminated b... | 03/21/2006 |
| 7011791 | Microfluidic devices for rotational manipulation of the fluidic interface between multiple flow streams Microfluidic devices and methods are provided for enhancing detection of a diffusion pattern formed by particles diffusing between at least two fluid streams in parallel laminar flow such that an interface is formed between them by increasing the dimension of the st... | 03/14/2006 |
| 7001263 | Air flow monitoring and control system with reduced false alarms An air flow monitoring and control system with reduced false alarms includes an alarm sensor for monitoring air flow in a fume hood or the like, set to provide a warning if air flow drops below a predetermined amount. A local controller monitors the alarm, and disab... | 02/21/2006 |
| 6923715 | Device for regulating the air volume flow for a vent in a laboratory A device for regulating the air volume flow for a laboratory exhaust, has a rectangular housing (6) which can be arranged on the laboratory exhaust. The device is equipped with inflow devices that can be connected to the interior of the laboratory exhaust and... | 08/02/2005 |
| 6887146 | Dust extraction shroud for a power tool A dust extraction shroud for a drill, which surrounds a drill bit and which lies adjacent the work surface, comprises a body portion defining a first inlet adapted to engage the work surface and to surround the location at which said bit penetrates the surface. The ... | 05/03/2005 |
| 6858053 | Exhaust system, in particular, for housing-type enclosures of machine tools An exhaust system for housing-type enclosures of machine tools is provided for removing air by suction from the interior of the enclosure. The cuttings which are produced during machining of the workpieces are distributed within the working chamber and are thrown to... | 02/22/2005 |
| 6802767 | Local exhausting and ventilating methods, and local exhausting device and local ventilating system The object of the present invention is to provide exhaust air discharging and ventilating technologies capable of completing local ventilation without affecting the habitability and workability. The invention is a method for locally discharging the air around... | 10/12/2004 |
| 6797029 | Process facility having at least two physical units each having a reduced density of contaminating particles with respect to the surroundings In a process facility for producing semiconductor wafers, a third physical unit is configured between two physical units that produce mini environments. The third physical unit has a laminar flow at right angles to the laminar flows of the two physical units and is ... | 09/28/2004 |
| 6769461 | Apparatus for discharging waste gas in semiconductor manufacturing process An apparatus is developed for discharging a waste gas in a semiconductor (or TFT-LCD) manufacturing process. The present invention has its purpose to constantly set the amount of purge of nitrogen for inducing the waste gas to discharge while increasing a temperatur... | 08/03/2004 |
| 6758875 | Air cleaning system for a robotic welding chamber A robotic welding station cleaning assembly (10) for removing particulates from an air-filled chamber surrounding a welding robot (12). A frame (14) is positioned about the robot (12) and includes a top (20) defining an opening ( | 07/06/2004 |
| 6755879 | Bag filter device The invention relates to a bag filter device (12), which device enables collection and draining of particles of liquid from a gas, normally air, flowing through the bag filter (12). Such a bag filter (12) is normally used to trap solid particles... | 06/29/2004 |
| 6752710 | Closed capture emission system An apparatus and method for capturing the emissions from a controlled atmosphere treatment apparatus of the type having at least one, and usually several, controlled atmosphere zones therein and exhaust stacks that deliver environmentally unfriendly emissions theref... | 06/22/2004 |
| 6752711 | Motor housing for range hood A range hood with a motor housing having upper and lower sections joined together along their respective side edges. Cooperating projections with a gap therebetween extend from the side edge of one section of the motor housing. The side edge of the other section of ... | 06/22/2004 |
| 6705937 | Airflow capture booth with single-plate windbreak The present invention discloses an airflow capture booth with single-plate windbreak comprising an extracting means for extracting polluted air having an opening for air contamination extracting through and a crosswind device for simulating crosswind, the improvemen... | 03/16/2004 |
| 6676723 | Grease containment assembly A grease containment assembly to collect grease discharged from a grease exhaust system that has an exhaust duct extending upwardly from a roof top and interconnected to a fan base that connects to an exhaust fan. The grease containment includes a plurali... | 01/13/2004 |
| 6672956 | Apparatus for venting chemical vessels A venting apparatus for chemical containers comprises a vent duct having a plurality of vent ports, a flow control mechanism, and a damper. A closure of a chemical container is coupled to one of the vent ports using suitable tubing, and a second coupling ... | 01/06/2004 |
| 6632260 | Adjustable clean-air flow environment Enclosures having adjustable clean gas flow environments and methods of enclosed pressure differential distribution technology. Specifically, clean gas flow enclosures, which provide for the isolation of materials from airborne micro-particulate contamina... | 10/14/2003 |
| 6475080 | Fume ventilation apparatus An apparatus for reducing the amount of fumes escaping into the surrounding atmosphere from an open container and from a chemical dispenser, and a method of use thereof comprising a bung slot ventilation apparatus and a chemical dispenser holder apparatus... | 11/05/2002 |
| 6468323 | Grease containment assembly A grease containment assembly to collect grease discharged from a grease exhaust system that has an exhaust duct extending upwardly from a roof top and interconnected to a fan base that connects to an exhaust fan. The grease containment includes a plurali... | 10/22/2002 |
| 6431975 | Fume hood for large containers A fume hood is described for use in removing material from, or inserting material into, the opening of a container. The fume hood enclosure has a floor with an opening for insertion of the upper end of the container into the enclosure, with a flexible mem... | 08/13/2002 |
| 6391074 | Grease stopper A grease stopper assembly is provided which captures and contains the effluent discharged from the roof vents of commercial cooking facilities. The assembly includes a plurality of two or four hanger assemblies attached to the vent duct curbing lip. A fil... | 05/21/2002 |
| 6366832 | Computer integrated personal environment system The environment of a work space is regulated by a controller connected to a computer network. A personal computer within the work space also is connected to the computer network and displays a control panel with symbols that a worker is able to alter to c... | 04/02/2002 |
| 6332837 | Device for the removal of gas and particles formed during welding and cutting jobs An arrangement for removing gas, smoke, solid particles and the like in connection with welding and/or cutting consisting of two parts which can be easily latched together, namely an outer housing and an inner part. The outer housing comprises a unit for ... | 12/25/2001 |
