Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7467931 | Blower system for generating controlled columnar air flow A blower system including an air guide having at least one edge where the air guide defines a central opening. The blower system includes a power source connected to the air guide and a fan positioned in the opening and connected to the power source. The fan include... | 12/23/2008 |
| 7338262 | Downhole compressor A downhole dynamic compressor comprises an electric motor having a stator 6 with stationary windings and an armature with permanent magnets 7 supported on gas bearings 9, 10 for rotation relative to the stator. The gas bearings 9 and 1... | 03/04/2008 |
| 7318707 | Support bearing for a vertically arranged centrifugal pump A vertical centrifugal pump having a support bearing arranged above the pump and including an axial bearing (22) and a radial bearing (23). A housing (24) encasing the support bearing (22, 23) is directly connected to the flow-carrying ho... | 01/15/2008 |
| 7284963 | Zero maintenance pump A zero maintenance pump includes a motor having a motor housing and a motor drive shaft rotatably mounted in the motor housing. A shaft extension is coupled to the motor drive shaft distal from the motor housing. A coupling element has a body with a first end and a ... | 10/23/2007 |
| 7276169 | Method for filtering water in an aquarium, a water cultivation tank and similar water bonds, and corresponding filtering system A method for filtering the water of an aquarium, a water cultivation tank or similar water bonds, by means of a filtering system comprising a closed vessel and defining a chamber, a filtering body housed in the chamber, a circulation pump having a suction duct, comm... | 10/02/2007 |
| 7275387 | Integrated ice and beverage dispenser An ice cube-making machine that is characterized by noiseless operation at the location where ice cubes are dispensed and be lightweight packages for ease of installation. The ice cube-making machine has an evaporator package, a separate compressor package and a sep... | 10/02/2007 |
| 7276829 | Frame unit of compressor and manufacturing method thereof A frame unit provided in a compressor and a method of manufacturing the frame unit with improved productivity. The frame unit is secured between a cylinder block and a stator of the compressor and is adapted to rotatably support a rotary shaft press fitted in a roto... | 10/02/2007 |
| 7274566 | Cooling apparatus for an electronics subsystem employing a coolant flow drive apparatus between coolant flow paths A coolant flow drive apparatus is provided for facilitating removal of heat from a cooling structure coupled to a heat generating electronics component. The coolant flow drive apparatus includes a turbine in fluid communication with a primary coolant flowing within ... | 09/25/2007 |
| 7266344 | Remotely activated bridge device for use with a home network and methods for programming and using the same A bridge device linking transmitters to a home network includes a transmitter signal receiver adapted to receive transmitter signals in a transmitter format from at least one transmitter and a network signal transceiver adapted to transmit and receive network signal... | 09/04/2007 |
| 7249571 | Aquarium having improved filtration system An aquarium which includes a tank having a pump and an under gravel filter disposed in the tank below the pump. The under gravel filter includes a hollow bubble dispersing base plate having a perforated top surface and an overlying substrate. An air conduit is provi... | 07/31/2007 |
| 7229255 | Fan with driving gear A ceiling fan suspended from a mounting rod and comprising a transverse support. A pair of hanging fans are distally mounted on the transverse support. A motor fixed to the mounting rod and spaced radially therefrom drives a gyro gear about an axis parallel to and s... | 06/12/2007 |
| 7220355 | Evaporative cooler pump strainer A strainer for a water pump includes a bottom panel and an upwardly extending side panel forming a cavity. The base of the water pump is received within the cavity and is removably secured to the filter. ... | 05/22/2007 |
| 7199497 | Frameless switched reluctance motor and application as a top drive for a rotary pump A frameless switched reluctance motor (SRM) has a stator sandwiched between two housings. Axial load on the rotor shaft is directed through a first bearing, through the first housing to the stator and through the second housing to a motor support. Heat is dissipated... | 04/03/2007 |
| 7190266 | Pre-installed appliance with warning system and methods of operation A limited-use appliance, such as a garage door operator or a home network bridge device, is disclosed which has at least one input device for generating an input signal and a controller associated with the input device and receiving the input signal. The controller ... | 03/13/2007 |
| 7173353 | Integrated blower for cooling device An integrated blower for cooling device comprises an electric drive with at least one set of a flat stator and a magnetized rotor, a casing with an inlet and an outlet, and radial impeller. The flat stator integrated with the casing thus the flat stator serves as at... | 02/06/2007 |
| 7165953 | Device for conveying a liquid A device for conveying a liquid, in particular a cutting liquid from a machining operation containing production residues. The device includes a vertical pump having a pump housing (14), a pump impeller (13), a drive shaft (19) surrounded by a h... | 01/23/2007 |
| 7164364 | Swimming pool spotlight lighting system This system is characterized in that it comprises a radio remote control, with transmission protocol, and a modulator-receiver decoding the radio signal and modulating the network voltage to thus transmit the information to the light source being installed inside th... | 01/16/2007 |
| 7157872 | Ceiling fan with outer-rotor DC brushless motor A ceiling fan with an outer-rotor type DC brushless motor has a center base with multiple blades and a DC brushless motor as a driving source for the fan. The DC brushless motor includes a controller, magnetism sensors, a stator with stator windings and a rotor asse... | 01/02/2007 |
| 7121433 | Portable dispensing pump A lightweight portable battery powered pump for moving fluids from a reservoir to a variety of end applications is disclosed. A simple and easy to manufacture centrifugal pump impeller and housing are shown. ... | 10/17/2006 |
| 7121328 | Condenser A refrigerator condenser includes a spiraled tube and wire member construction to form a substantially longitudinal and rounded passage between a first end and a second end. The second end of the condenser is closed, thereby preventing longitudinal airflow through t... | 10/17/2006 |
| 7097433 | Fuel transfer pump The fuel transfer pump is a combination suction and pressure pump in a manifold above the fuel storage tank. The fuel transfer pump is contained within a manifold. The pump is liquid cooled (more specifically, fuel cooled) and is located in a manifold above the fuel... | 08/29/2006 |
| 7066721 | Ceiling fan motors An inside-out ceiling fan motor has a stator mounted to a downrod with an annular array of stator coils positioned about a rotor axis of rotation. A rotor is rotatably mounted about the stator. The rotor has a plurality of vanes spaced along the rotor periphery and ... | 06/27/2006 |
| 7040860 | Uni-directional impeller, and impeller and rotor assembly An impeller, and impeller and rotor assembly, for use with a permanent magnet motor that provide uni-directional rotation. The impeller and rotor assembly includes an interconnecting arrangement and a locking arrangement that permit continuous rotation in a first di... | 05/09/2006 |
| 7037462 | Overflow transfer furnace and control system for reduced oxide production in a casting furnace An apparatus for transferring molten metal from a melting furnace to a casting furnace is provided. A sensing and control system for the transfer of molten metal from a transfer furnace to a casting furnace is also described. The combination of the transfer apparatu... | 05/02/2006 |
| 7017353 | Integrated ice and beverage dispenser An ice cube-making machine that is characterized by noiseless operation at the location where ice cubes are dispensed and be lightweight packages for ease of installation. The ice cube-making machine has an evaporator package, a separate compressor package and a sep... | 03/28/2006 |
| 6960854 | Centrifugal turbine for breathing-aid devices The invention concerns an electric turbin (1) comprising a turbine rotor (4, 7), a turbine stator (2, 3), an electric motor member (5, 6) for driving the rotor (4, 7) in rotation relative to the stator (2, 3), and having the... | 11/01/2005 |
| 6939115 | Wet-type rotor pump A wet-type rotor pump which is particularly suitable for feeding coolant in motorcar engines comprises a pump wheel. By the pump wheel, a feed medium is fed through an intake channel into a discharge channel. Via a common shaft, a motor armature of an electric motor... | 09/06/2005 |
| 6916156 | Connecting assembly of a ceiling fan for fixing blades A connecting assembly of a ceiling fan for fixing blades includes a connecting device mounted to a motor of the ceiling fan and a seat having multiple grooves radially defined in a bottom of the seat. The grooves extend to an outer periphery of the seat. A channel i... | 07/12/2005 |
| 6902696 | Overflow transfer furnace and control system for reduced oxide production in a casting furnace An apparatus for transferring molten metal from a melting furnace to a casting furnace is provided. A sensing and control system for the transfer of molten metal from a transfer furnace to a casting furnace is also described. The combination of the transfer apparatu... | 06/07/2005 |
| 6854957 | Seal of a vertical pump A seal of a vertical pump with a front casing disposed on a main casing which has a motor disposed therein. A volute chamber is disposed inside the front casing to receive a centrifugal impeller. A suction inlet is disposed axially on the front casing opposite the m... | 02/15/2005 |
| 6746219 | Water pump motor A water pump motor is constructed to include a housing, the housing having a conical water guide chamber gradually expanding from the top side toward the bottom side, water inlets around the periphery for guiding water into the water guide chamber, and an air passag... | 06/08/2004 |
| 6709234 | Impeller shaft assembly system An impeller shaft assembly, coupler and molten metal pump are described, in which a coupling member is configured to be secured to a pump drive shaft and includes a socket part that is defined by a socket wall formed about and extending along an axis. The socket wal... | 03/23/2004 |
| 6702554 | Tank and a centrifugal pump for emptying the tank The invention relates to a liquid tank with centrifugal pump with a substantially vertical pump shaft for discharging of the liquid, wherein the pump is arranged with the intake side at the bottom of the tank and via a drive shaft connected to drive means... | 03/09/2004 |
| 6688845 | Electric pump for the recirculation of water "Electric pump for the re-circulation of water". It includes a suction chamber (1) connected by a communication conduit (3), as well as a filter vessel (5), into which the water drawn in enters by an open upper inlet (6) and exits by multiple small orific... | 02/10/2004 |
| 6685447 | Liquid cooled integrated rotordynamic motor/generator station with sealed power electronic controls A rotordynamic system includes a vertically arranged motor, rotordynamic device and controller. The rotordynamic device is a centrifugal pump or compressor operated by the motor to drive a fluid from the input to the output. A liquid cooling system operat... | 02/03/2004 |
| 6685448 | Water pump A pump for pumping water, other liquids, or slurry mixes is described and includes an electric motor or the like positioned above the water to be pumped which has a rotatable pump shaft extending downwardly therefrom which has a drive line shaft connected... | 02/03/2004 |
| 6666664 | Technique for protecting a submersible motor A motor protection system that utilizes a motor protector in combination with a submersible motor. The motor protector allows for the free flow of an internal lubricating liquid therethrough to the connected submersible motor. The internal liquid prevents... | 12/23/2003 |
| 6638019 | Ceiling fan A ceiling fan has a stator 38 rigidly mounted to a shaft 33 and a rotor 40 rotatably mounted to the same shaft about the stator. The shaft is rigidly mounted to a housing. The rotor is supported upon a thrust bearing.... | 10/28/2003 |
| 6619935 | Mixing valve with axially segmented stator windings for axially positioning a control element for controlling the fluid connection between inlets and outlets The invention relates to a mixing valve with at least two inlets and at least one outlet. A control element is configured as a pump wheel controls the fluid connection between the inlets and the outlets. The pump wheel is connected to a hollow shaft which... | 09/16/2003 |
| 6565335 | Vertical pump A vertical pump which has a rotating body having an impeller arranged with its axial center being vertical, and a cylindrical rotor fixed to an upper portion of the impeller with their axial center being, aligned with each other. A main portion of the cyl... | 05/20/2003 |
