Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7670216 | Automatic closure pressure equilizer An automatically operated opening access closure and venting mechanism includes a vent with one or more baffles inserted in and opening. The baffles are coupled to an actuator mechanism which operates the baffles as the door moves from a closed to an open position o... | 03/02/2010 |
| 7390250 | Temporarily mountable strip door system, especially for temporary climate control of an area A temporarily mountable strip door system includes a strip mounting frame. The frame has mounting features to enable releasable coupling to an exterior of an opening in a building. A plurality of flexible door strips are affixed to the mounting frame. The system inc... | 06/24/2008 |
| 7340916 | Pressure equalizing device for refrigerators A pressure equalizing device for refrigerators, having a chamber, a door on the front wall of the chamber, an evaporator, and an evaporator defrost heater, is provided. The pressure equalizing device includes a pressure relief valve, an installation hole, and a deic... | 03/11/2008 |
| 7272949 | Refrigerator and airflow passage for ice making compartment of the same A refrigerator is provided with an airflow passage for an ice making compartment of the refrigerator. In the refrigerator, a main body has an opened side, and a door selectively closes the opened side of the main body. An ice making compartment is formed in the door... | 09/25/2007 |
| 7270691 | Integrated air processing devices and isolation containment systems using such devices In accordance with an embodiment of the invention, an integrated air processing device includes a housing defining an air inlet, an air outlet, and a pathway from the inlet to the outlet. An air decontamination section, an air conditioning section, and a heating sec... | 09/18/2007 |
| 7258520 | Methods and apparatus for using substrate carrier movement to actuate substrate carrier door opening/closing A system for opening a substrate carrier includes a substrate carrier having an openable portion. The substrate carrier also has an opening mechanism coupled to the openable portion. A substrate transfer location has a support adapted to support a substrate carrier.... | 08/21/2007 |
| 7247089 | Automatic recirculation airflow damper An automatic recirculation airflow damper for use in electronic enclosures utilizing multiple air moving devices to cool electronic components within the enclosure. When an air moving device is removed, the damper automatically closes an orifice associated with the ... | 07/24/2007 |
| 7238106 | Air delivery system The present invention relates to a system for delivering temperature and flow rate controlled warmed air to outlets for use in various apparatus. The system is typically in residential structures, such as homes, but could easily be adapted for apartment buildings as... | 07/03/2007 |
| 7232369 | System and method for providing heating, ventilation and air conditioning An under-floor, perimeter-based heating ventilation and air conditioning pressurized air delivery system for use in a space includes a ventilation module, to be located in the floor, a multi-deflection linear bar grille covering the ventilation module, for diffusing... | 06/19/2007 |
| 7169038 | Louvered screen apparatus for overhead and roll-up doors A screen device is disclosed for attaching to, or making an overhead or roll-up door, one example being a garage door. The device is disclosed as an apparatus that is installed as a single or multiple units within or attached to a door, the apparatus comprising (1) ... | 01/30/2007 |
| 7160185 | Air transfer apparatus An air transfer apparatus which includes a door frame having a top, a bottom and opposed sides. The top, bottom and opposed sides define a door receiving cavity. A door is positioned within the door receiving cavity. The door is pivotally mounted to one of the oppos... | 01/09/2007 |
| 7107780 | Vacuum-breaking valve for a refrigerated compartment A vaccum-breaking valve comprising: a tubular body (10) mounted through one of the walls (P) of the cabinet (G) and having inner (11) and outer (12) ends, a valve seat (15) defining a fluid communication between the inside and the outside... | 09/19/2006 |
| 7094142 | Portable device with interchangeable air cleaning modules for cleaning the air outside of an existing enclosed space and delivering the cleaned air into the existing enclosed space A portable device that is placed between the ambient air outside an existing enclosed space and the existing enclosed space that pulls the ambient air through an interchangeable array of air cleaning modules and delivers the cleaned air from the air cleaning modules... | 08/22/2006 |
| 7052390 | Revolving door A revolving door for installation in a building, comprising a cylindrical shell wall, within the shell wall door leaves rotating about a central shaft and between a bottom plate and a top plate, and entrance and exit openings provided in the shell wall, at least one... | 05/30/2006 |
| 6979359 | Portable filter unit and methods for using same Portable, rapidly deployable filter unit for use in air filtering methods providing high efficiency filtration of airborne toxins. The filter unit includes a fan section and a filter section that are releasably attachable at their respective lateral ends permitting ... | 12/27/2005 |
| 6960129 | Conditioned vestibule for a cold storage doorway A conditioned vestibule for a cold storage doorway is disclosed. The vestibule includes a frame that supports inner and outer moveable door-forming members. The vestibule also includes a heater that circulates air between the inner and outer door-forming members and... | 11/01/2005 |
| 6862179 | Partition for varying the supply of cooling fluid In a data center, a plurality of racks are cooled by activating a cooling device and opening a controllable partition configured to vary a supply of cooling fluid within a zone of the data center. The zone includes at least one associated rack of the plurality of ra... | 03/01/2005 |
| 6857956 | Airlock system and method for protecting a toxic-free area There is provided an airlock system utilizable with a protected Toxic Free Area (TFA) defined by an enclosure including spaced-apart first and second door arrangements, each door arrangement having an entrance and an exit and being divided by partitions into a plura... | 02/22/2005 |
| 6715311 | Bi-folding doors for air distribution plenum An air distribution bi-folding door assembly of a refrigerated case opens and closes to allow for the loading of refrigerated items in the case. The doors are attached by a hinge. Each door is hollow and includes perforations which allow cool air which flows in the ... | 04/06/2004 |
| 6666910 | Air filtration system and method of use An air filtration system for filtering air drawn into a substantially enclosed environment, such as a room, having an access opening includes a box having sidewalls, a flexible sheet of substantially air-impermeable material sized to cover the access open... | 12/23/2003 |
| 6648750 | Ventilation assemblies A ventilation assembly (10) for a window or door assembly is provided with an anti-sound system (80). The anti-sound system may include a sound generator (82), a noise sensor (88) and an error correction noise sensor (100). A control box (86) is provided ... | 11/18/2003 |
| 6561894 | Clean box, clean transfer method and apparatus therefor Using a clean box 30 which includes a box body 31 having an annular groove 33 for suction surrounding a side aperture 32 and an intake/exhaust port 34 in communication therewith, a side lid 35 for closing the aperture 32 while being sucked by a pressure d... | 05/13/2003 |
| 6558247 | Ventilator A ventilator (10) has a housing (12) including an apertured wall portion (14) an exterior weather hood (16) and a cover portion (18). A rotatable flap (42) is pivotally mounted to the apertured wall portion (24). The cover portion (18) contains a reticula... | 05/06/2003 |
| 6554696 | Air duct outlets with closeable doors and vehicles incorporating same Air duct outlets having closeable doors are provided. An air duct outlet includes a housing having a front wall with an opening therein that allows air to pass therethrough. A door assembly is movably mounted to the housing and includes a unitary door hav... | 04/29/2003 |
| 6524181 | Garage venting device Apparatus for removing excessive heat which has built up in a garage, including vents, movable louvers connected to each vent, exhaust fans, and a fan motor. The fan motor may be controlled by a manually-operated switch or a thermostat.... | 02/25/2003 |
| 6454646 | Perforated and corrugated enclosure door for computer cabinet and method for making the same A door for a computer cabinet and method of constructing the same, with the door comprising a panel that is manufactured from a planar material, that has a corrugated cross-sectional profile, and that defines a plurality of perforations. The panel is adap... | 09/24/2002 |
| 6402613 | Portable environmental control system A portable environmental control system for evacuating particulate laden, toxic, and explosive gasses from an interior space includes a flexible partition for erection at the interior space, and a first section of flexible duct connected to the partition ... | 06/11/2002 |
| 6401482 | Door cooling apparatus for refrigerator with double-acting door A door cooling supply apparatus of a refrigerator with a double-acting door includes: a first cooling air separating duct and a second cooling air separating duct separated from a main cooling air duct; a door cooling air duct installed at the cooling com... | 06/11/2002 |
| 6386969 | Garage ventilation system A garage ventilation system for ventilating fumes from a garage. The garage ventilation system includes a garage door having a first side and a second side. A housing has a generally open front wall, a back wall and a peripheral wall extending between the... | 05/14/2002 |
| 6293861 | Automatic response building defense system and method A building protection system and method is provided which is responsive to the release of hazardous agents both outside and inside of a protected building. For an outside release, an array of sensors surrounding the perimeter of the building is triggered ... | 09/25/2001 |
| 6234892 | Device for producing hot air curtains for door openings in local transit vehicle A device for producing air currents at door openings provided for passing people in local transit vehicles has a unit for forming an air current which forms a barrier against penetration of cold air into a space disposed behind a door opening, the unit be... | 05/22/2001 |
| 6176776 | Pressure relief port A pressure relief port has a tubular housing 11 in which a hollow valve body 12 is mounted. An upper poppet valve 23 is operatively mounted to the top of the valve body and a lower poppet valve 25 is operatively mounted to the bottom of the valve body. Th... | 01/23/2001 |
| 6073458 | Apparatus and method for supplying cool air to the interior of a refrigerator A concentrated cool air supply device for refrigerators is disclosed. In the device, a branch duct is branched from the cool air passage to guide the cool air to the door. A door duct is formed on the door to receive the cool air from the branch duct. The... | 06/13/2000 |
| 6042455 | Polishing apparatus A polishing apparatus is used for polishing a workpiece such as a semiconductor wafer to a flat mirror finish. The polishing apparatus includes an enclosing structure having an outer wall and at least one door, a polishing section enclosed by the enclosin... | 03/28/2000 |
| 6036595 | Safety system for smoke and fumes A detector in a space to be sensed and controlled gives an electrical signal upon fumes in the space reaching a predetermined level. An electrical circuit is thereby energized to operate a fan to exhaust the space. Inlet and outlet openings in the structu... | 03/14/2000 |
| 6010399 | Use of a sensor to control the fan filter unit of a standard mechanical inter face A Standard Mechanical Inter Face is described where a sensor causes a fan in a fan filter unit, attached to a Standard Mechanical Inter Face, to be turned on or off depending on the position of the door in semiconductor wafer equipment. An apparatus for r... | 01/04/2000 |
| 5976009 | Vent with multi-apertured security grate A security grate is disposed intermediate a conventional multi-apertured vent on the front of a garage door panel to prevent intrusion through the juxtaposed aperture in the panel. Straps or washers serving as a backing plate may be located on the interio... | 11/02/1999 |
| 5947814 | Garage CO venting system A gas venting system with an electrically operated exhaust fan used in an enclosed garage to expel unwanted gases, especially carbon monoxide, to outside the garage and away from an attached residence. In a garage with a door opener with an automatically ... | 09/07/1999 |
| 5906423 | Refrigerator having easy open door A refrigerator having a door for loading/unloading goods to be stored into/from a chamber is comprised of a handle 20 provided at a front surface of the door 112 with a first end 24 of the handle 20 connected with the door 112 by a hinge 21, an air passag... | 05/25/1999 |
| 5846127 | Apparatus for venting Apparatus for venting, which is used with a door such as a sectional garage door, which permits the top door section to pivot inwardly a controlled distance, by a mechanical opener or an electrically controlled solenoid opener, which permits venting of a ... | 12/08/1998 |
