Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7416386 | Heat dissipation apparatus A heat dissipation apparatus. A fan frame includes an air inlet, an air outlet, a passage, and a curved expansion portion. The air inlet is opposite the air outlet. The passage is between the air inlet and the air outlet, guiding airflow from the air inlet to the ai... | 08/26/2008 |
| 7351032 | Heat dissipating fan with an airflow guiding structure A heat dissipating fan includes a cover plate having an air inlet and a base, an impeller mounted to the base and having a plurality of blades, and an air guiding member having an air passageway and an air outlet. A portion of an axial height of the respective blade... | 04/01/2008 |
| 7314113 | Acoustic absorbers for use with computer cabinet fans and other cooling systems Systems and methods for absorbing acoustic noise generated by computer cabinet cooling fans are described herein. In one embodiment, an acoustic absorber for use with a fan carried by a computer cabinet in a room includes a first acoustic panel spaced apart from a s... | 01/01/2008 |
| 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 |
| 7275910 | Outlet airflow direction control unit An outlet airflow direction control unit mainly includes a frame and a fan mounted in the frame. The frame has an inlet and an outlet via which an amount of fluid flows into and out of the frame, and is internally provided at predetermined positions with a plurality... | 10/02/2007 |
| 7249931 | High efficiency air conditioner condenser fan with performance enhancements Twisted blades for outdoor air conditioner condensers and heat pumps that improve airflow efficiency to minimize operating power requirements. The blades can run at approximately 850 rpm to produce approximately 1930 cfm of air flow using approximately 110 Watts of ... | 07/31/2007 |
| 7245056 | Axial fan motor and cooling unit Disclosed is an axial fan motor for air-cooling a heat sink of a heating element and thermally connected to the heat sink. The casing of the axial fan motor is formed of a plurality of laminated metal plates. The plurality of metal plates include a single first meta... | 07/17/2007 |
| 7223068 | Housing for axial flow heat-dissipating fan A housing for an axial flow heat-dissipating fan includes an annular wall including an air inlet in a first end thereof and an air outlet in a second end thereof. A motor of an axial flow heat-dissipating fan is received in the annular wall. A plurality of axially e... | 05/29/2007 |
| 7157819 | Axial fan motor with a laminated casing Disclosed is an axial fan motor for air-cooling a heat sink of a heating element and thermally connected to the heat sink. The casing of the axial fan motor is formed of a plurality of laminated metal plates. The plurality of metal plates include a single first meta... | 01/02/2007 |
| 7140265 | Miniature particle and vapor collector An apparatus for collecting particles or vapor from air or surfaces comprising: a housing comprising an inlet open to the air to be sampled and an outlet; and a fan having one or more open areas within the housing capable of being driven at a speed effective to caus... | 11/28/2006 |
| 7083387 | Axial flow fan An axial flow fan. The axial flow fan includes an impeller, an annular structure, and a plurality of connecting elements. The impeller has a plurality of blades, arranged radially. Each blade has an outer periphery. The outer periphery has a top portion. The annular... | 08/01/2006 |
| 7083381 | Hydrokinetic torque converter stator blade construction A stator blade for a hydrokinetic torque converter, the blade profile having geometric characteristics that improve torque flow efficiency in the converter torque flow circuit, whereby the torque converter efficiency at high speed ratios is improved without signific... | 08/01/2006 |
| 7063504 | Cooling fan A cooling fan with high heat-dissipating performance includes a plurality of blades; and a frame for receiving the blades therein, wherein the frame has a reduced height for exposing the blades to outside of the frame so as to allow air to enter into the frame via a... | 06/20/2006 |
| 7034418 | Axial fan motor including a casing of laminated metal plates Disclosed is an axial fan motor for air-cooling a heat sink of a heating element and thermally connected to the heat sink. The casing of the axial fan motor is formed of a plurality of laminated metal plates. The plurality of metal plates include a single first meta... | 04/25/2006 |
| 7031157 | Heat-dissipating module A heat-dissipating module includes a first fan unit and a second fan unit, which are serially connected together to provide an air inlet and an air outlet. Each of the first fan unit and the second fan unit includes a casing and an impeller. At least one side air in... | 04/18/2006 |
| 6995979 | Heat-dissipating fan module of electronic apparatus A heat-dissipating fan module of an electronic apparatus is disclosed. The heat-dissipating fan module includes a casing having an opening, the opening having a guiding device along an edge thereof, and a heat-dissipating fan fixed to one side of the casing and corr... | 02/07/2006 |
| 6877955 | Mixed flow turbine and mixed flow turbine rotor blade A mixed flow turbine includes a hub attached to a rotation axis and a plurality of rotor blades. Each of the plurality of rotor blades is attached to the hub in a radial direction, and the hub is rotated based on fluid supplied to a rotation region of the plurality ... | 04/12/2005 |
| 6814661 | Air extraction fan A ventilator comprising a cylindrical housing the intake of which is connected to a coaxial cylindrical conduit of smaller diameter, an electric motor axially mounted in the housing, of small diameter relative to that of the housing, and on the shaft of which is fix... | 11/09/2004 |
| 6796768 | Blower and method for molding housing thereof A blower with improved P-Q characteristic provides a reduction in noise by sucking air inside through slits provided in an annular wall, wherein the blade thickness near a blade end s is progressively reduced toward the front end, and the location F of the maximum t... | 09/28/2004 |
| 6524067 | Airflow-guiding fan guard A fan guard for guiding airflow to dissipate heat generated from a heat-generating device has an airflow inlet disposed on an upper portion of the fan guard for introducing the airflow into an interior of the fan guard, an airflow outlet disposed on a low... | 02/25/2003 |
| 6406258 | Fan frame structure A fan frame for encircling an impeller of a fan that includes a base and a plurality of teeth. A hole is formed on the base to form an inner periphery. The plurality of teeth is substantially perpendicular to, and mounted around the inner periphery for en... | 06/18/2002 |
| 6332755 | Blower and method for molding housing thereof The present invention provides a blower that improves the P-Q characteristic and reduces noise. The apparatus is a blower that sucks air inside through slits (6) provided in an annular wall (2), wherein the blade thickness near a blade end s is progressiv... | 12/25/2001 |
| 6254342 | Air supplying device Improvement is made to the shape of blades of a fan assembly for sucking air into an annular wall through slits in the wall, in order to increase the aerodynamic performance and energy efficiency. In the fan assembly for sucking air in through slits provi... | 07/03/2001 |
| 6183196 | Blower In a blower in which air is sucked to the inside through slits formed in an annular wall, the width w and the number of slits are so set that an air flow of 20 to 40% of the maximum air flow is sucked through the slits in a state in which the static press... | 02/06/2001 |
| 6179562 | Blower A blower comprising an annular wall (2) formed to be spaced from blade tips of a fan (1), the annular wall having slits (6) formed at a portion opposed to the blade tips to establish communication between inner and outer peripheral portions of the annular... | 01/30/2001 |
| 6132171 | Blower and method for molding housing thereof The present apparatus provides a blower that improves the P-Q characteristic and reduces noise. The apparatus is a blower that sucks air inside through slits (6) provided in an annular wall (2), wherein the blade thickness near a blade end s is progressiv... | 10/17/2000 |
| 6123505 | Stator produced by injection molding A stator for a hydrodynamic torque converter which is produced by injection molding with axially drawn dies. The stator hub has stator blades produced by use of a thermoplastic material to fill the dies in the injection molding process. The stator blades ... | 09/26/2000 |
| 6082966 | Stator vane assembly for a turbomachine A stator vane assembly for a gas turbine engine (10) compressor (16) comprises a plurality of circumferentially arranged stator vanes (44A) and a plurality of circumferentially arranged load bearing struts (46). The leading edges (45,47) of the stator van... | 07/04/2000 |
| 5772395 | Vacuum pumps A vacuum pump assembly which comprises at least two cylinders of different diameters and arranged coaxially relative to each other to define an annular space therebetween and a helical member positioned within the space to define a helical path between th... | 06/30/1998 |
| 5707205 | Fan device An air moving device for improving P-Q characteristics and noise by suppressing the production of vortices. An annular wall spaced from blade tips, is formed of a plurality of annular plates and spacers with a slit defined between adjacent annular plates.... | 01/13/1998 |
| 5616000 | Stator of torque converter for vehicles improved to suppress separation of working fluid To suppress a separation of working fluid from the vane surface during operation at and around a fluid coupling condition attained after a substantial completion of torque conversion, the aerofoil and the array of stator vanes of a torque converter for ve... | 04/01/1997 |
| 5407324 | Side-vented axial fan and associated fabrication methods An axial flow cooling fan includes a rectangular housing base portion and a plurality of rectangular plate members, all having corner portions and central circular air flow openings. The plate members have corner openings and integral hollow cylindrical s... | 04/18/1995 |
| 5374160 | High performance turbomolecular vacuum pumps Turbomolecular vacuum pumps having structures which provide increased pumping speed, increased discharge pressure and decreased operating power in comparison with prior art turbomolecular vacuum pumps. In a first embodiment, the stators of one or more axi... | 12/20/1994 |
| 4379236 | Windmill generator apparatus A duct possessing structure includes an annular first floor and an annular first roof disposed substantially horizontally, vertical stationary guiding partitions provided radially between the first floor and roof, and a centrally located hollow cylindrica... | 04/05/1983 |
| 4296602 | Apparatus for extracting energy from water waves Apparatus for extracting energy from water waves includes an elongate water wheel mounted rotatably so that at least a portion of the wheel is above the level of the water, and a ramp extending substantially the length of the wheel to shield the wave side... | 10/27/1981 |
| 4269563 | Wind turbine The invention is directed to a wind turbine normally located in a vertical position in operation to provide a propulsion energy force. In general, the wind turbine consists of a central rotor unit having a plurality of spaced, longitudinally extending sco... | 05/26/1981 |
| 4152094 | Axial fan The disclosure is concerned with an axial fan having a casing. Unacceptably high level of noise and low discharge pressure inherent in axial fans are attributable to a counter flow of fluid taking place through the gap between the radially outer ends of t... | 05/01/1979 |
| 4142822 | Panemone windmill A windmill with a vertical-axis rotor having thrust vanes which is surrounded by a stationary cage having guide vanes to channel the windstream to the rotor. In the preferred embodiment the rotor is a flow-through type with airfoil vanes.... | 03/06/1979 |
| 4115027 | Vertical windmill An omnidirectional windmill employing lift type airfoils mounted about a vertical axis. The windmill includes a support frame which defines the vertically oriented axis about which the elongate airfoils rotate. Five vertically oriented stators are positio... | 09/19/1978 |
| 4070824 | Integrated flow turbine engine A gas turbine having a rotor serving as both compressor and turbine, and utilizing a plurality of non-rotating arcuate members disposed in spaced relation about the periphery of the rotor. These arcuate members are involved in the directing of the flow of... | 01/31/1978 |