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 |
| 8182245 | Inverter driven compressor operation method and compressor drive device A boot capacitor that functions as an operating power supply for a high-arm-side transistor provided in an inverter has to be charged prior to normal operation of a motor. This operation of charging the boot capacitor is performed at a carrier frequency that is lowe... | 05/22/2012 |
| 8092197 | Hydraulic system A hydraulic system that can implement effective practical use of energy is provided. A hydraulic system according to the present invention has a hydraulic pump driven by a hydraulic pump motor, a loading cylinder and a power steering cylinder which are driven by pre... | 01/10/2012 |
| RE42559 | Inflatable product provided with built-in battery case and socket An inflatable product includes an inflatable body, a socket, an electric pump and a battery case. The socket is built in the inflatable body. The electric pump is detachably connected to the socket to pump the inflatable body. The battery case is also built in the i... | 07/19/2011 |
| 7972123 | Electric compressor An inverter assembly includes a substrate, a capacitor assembly and a coil, a varistor and a base. The base fixes and supports thereto the substrate, the capacitor assembly, the coil, and the varistor, and is detachably fixed together to a first housing with screws.... | 07/05/2011 |
| 7922461 | Inflatable product having an electrical inflator An inflatable product includes an inflatable body, a socket built in the inflatable body, and an electric pump. The electric pump includes a pump body and an air outlet, connected to the socket to pump the inflatable body, wherein the pump body is wholly or partiall... | 04/12/2011 |
| 7717683 | Self contained pump electrical equipment power supply An electrical power supply for powering electrical pump instrumentation and process control equipment associated with a pump having a rotating member. The power supply includes an electrical current generator driven by the rotating member of the pump, and a voltage ... | 05/18/2010 |
| 7371052 | Embedded fluid mixing device using a homopolar motor A fluid displacement device (100) having a homopolar motor (110). The homopolar motor includes a rotatable disk (115) with at least one fluid displacement structure (120) disposed thereon. The fluid displacement structure can be a blade. ... | 05/13/2008 |
| 7372221 | Device for adjusting the armature stroke in a reversible linear drive unit A device for adjusting the armature stroke in a reversible linear drive unit comprising an excitation coil and an armature displaceable in the magnetic field of the excitation coil according to a linear oscillating motion at a predefined armature stroke. The device ... | 05/13/2008 |
| 7337989 | Automated sprayer with manually-adjustable nozzle An automated sprayer for spraying walls of a shower or bathing enclosure with a liquid cleanser. A spray head rotates on an essentially vertical axis. Its outlet nozzle pivots on an essentially horizontal axis (but not otherwise) to adjust the vertical angle of the ... | 03/04/2008 |
| 7318394 | Mount for connecting automotive fan motor to housing The motor of an automotive cooling fan system is attached to a housing by either bayonet mount, screw mount, or axial-snap features on both motor and housing, as well as a cradle structure on the housing. ... | 01/15/2008 |
| 7313837 | Inflatable product provided with electric air pump An inflatable product that includes a chamber and an electric air pump for inflating the chamber. The air pump has an air intake and an air outlet. The air intake is connected to the outside of the chamber and the air outlet is connected to the inside of the chamber... | 01/01/2008 |
| 7314350 | Energy store circuit for controlling rotor rotation A fan controller for controlling the rotation of a rotor (with a fan blade) has a current limiting element to control current flow to a capacitive storage apparatus. More specifically, the fan controller has an input for receiving an input voltage, the noted capacit... | 01/01/2008 |
| 7284361 | Vacuum machine for zipper bag A vacuum machine for zipper a bag comprising a casing, a motor, vanes, a suction mouth, a suction opening, a vent, a power supply, a switch and so on, wherein the suction opening is disposed corresponding to the vanes; the suction mouth is of tubular shape and is ex... | 10/23/2007 |
| 7255294 | Battery operated spray head having an improved housing A three part housing for a battery powered spray head includes a left half shell, a right half shell and a hinged top. The batteries are located in the upper portion of the housing below the hinged top (battery cover). The inner front of the top is provided with a d... | 08/14/2007 |
| 7250690 | Distributed power generation system using a fuel cell and a method of controlling the same Provided is a distributed-power-generation system capable of maintaining an operation point and a method of controlling the same. The distributed-power-generation system comprises: a fuel cell producing current and high-temperature gas through an electric chemical r... | 07/31/2007 |
| 7246394 | Inflatable product with built-in housing and switching pipe An inflatable product includes an inflatable body, a fan and motor assembly for pumping air, a housing built into the inflatable body, and an air conduit disposed at least in part in the housing. The housing has an interior region. The air conduit is movable between... | 07/24/2007 |
| 7246555 | Portable vacuum food storage system Portable Vacuum Food Storage System with a housing that contains a vacuum pump, an on off power switch, a vacuum pressure switch and a plurality of rechargeable DC batteries. The top of the housing has a gripping member help the user to twist and fasten the housing ... | 07/24/2007 |
| 7228941 | Metering device for lubricant The invention relates to a metering device for lubricant having a lubricant reservoir (1), a piston (3), which is arranged on a threaded spindle (2), within the lubricant reservoir and a drive head 4, which has a drive shaft (7) co... | 06/12/2007 |
| 7228994 | Delayed flow water reservoir for a clothes drying cabinet and method of use A delay flow water reservoir for a clothes dryer cabinet and method of use is provided. The delay flow reservoir has a container having an opening and a cap engaging the opening. The cap has a delay chamber with a drain opening, a seal covering the opening with firs... | 06/12/2007 |
| 7195457 | Motor-operated fan for air cushion table A motor-operated fan includes a housing, a motor secured in the housing, and an impeller rotatably mounted on the housing and rotated by the motor. Thus, the impeller has a plurality of blades and a plurality of auxiliary blades to produce a larger air flow when the... | 03/27/2007 |
| 7168925 | Automatic optimizing pump and sensor system A reciprocating electromagnetic pump comprising a coil wound about a bipolar or tripolar core, a diaphragm structure mechanically coupled to at least one arm with a magnet attached to one end of the arm and a controller electronically connected to the coil. The cont... | 01/30/2007 |
| 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 |
| 7152712 | Control moment gyro spin bearing lubricant delivery system and method A lubrication medium supply system and method for delivering lubricant to, for example, the spin bearings of a control moment gyro (CMG), includes a reservoir, a motor, and a valve. A lubrication medium is placed within the reservoir, and the motor, which is coupled... | 12/26/2006 |
| 7152264 | Air mattress with pillow top An air mattress includes a first inflatable compartment having a length and width, when inflated, sufficient to support a human body. The first compartment is composed of at least two layers of vinyl, one layer of vinyl forming the top of the compartment and the sec... | 12/26/2006 |
| 7150431 | Electrical generator fluid-flow-coolant filtration A ventilating and particle-filtering airflow system, and related methodology, for managing the flow of air to the brush region of an on-board aircraft (vehicle) electrical generator. Conduit structure collects intaken air during aircraft (vehicle) engine operation, ... | 12/19/2006 |
| 7127762 | Inflatable product with stowable pump An inflatable product has a socket disposed in a wall of an inflatable body and extending into an interior of the inflatable body. A pump is slidably disposed in the socket, and is slidable from a retracted position to an extended position. The retracted position de... | 10/31/2006 |
| 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 |
| 7120955 | Inflatable product provided with electric air pump An inflatable product that includes a chamber and an electric air pump for inflating the chamber. The air pump has an air intake and an air outlet. The air intake is connected to the outside of the chamber and the air outlet is connected to the inside of the chamber... | 10/17/2006 |
| 7121808 | High frequency air pulse generator An improved air pulse generator produces high frequency chest wall oscillations (HFCWO) and includes means for internal heat dissipation. Internal heat generated by an internal diaphragm motor is dissipated by having a portion of the air chamber associated with the ... | 10/17/2006 |
| 7112036 | Rotor and bearing system for a turbomachine A rotor and bearing system for a turbomachine. The turbomachine includes a drive shaft, an impeller positioned on the drive shaft, and a turbine positioned on the drive shaft proximate to the impeller. The bearing system comprises one gas journal bearing supporting ... | 09/26/2006 |
| 7083393 | Combination sight glass, strainer and orifice A sight glass block for inspecting oil flow through a scavenge line for an oil separation system in a compressor comprises a combination of a sight glass for inspecting the oil flow, a strainer for cleaning the oil flow and an orifice for metering the oil flow in a ... | 08/01/2006 |
| 7070400 | Diaphragm pump with eliminated pump chamber dead space, and circular recesses on the reverse side of the diaphragm for improved diaphragm chamber wall adherence The diaphragm suction pump has a pump chamber (7) located in a base plate (6), the wall of said chamber extending in a conical manner from a central flat base section (7′) to the lateral edge (8). The elastic pump diaphragm (5), ... | 07/04/2006 |
| 7059450 | Automatic lubrication system An automatic lubrication system for a vehicle, comprising a pump assembly having a plurality of outlet ports, a motor operable to drive the pump assembly, and a cartridge that is attachable to the pump assembly to provide a source of lubricant to the pump. The cartr... | 06/13/2006 |
| 7039972 | Inflatable device with recessed fluid controller and modified adjustment device The application is related to inflatable devices, and, more specifically, to an inflatable device with a recessed fluid controller and improved adjustment device. In one embodiment, the application is directed to an inflatable device comprising a substantially fluid... | 05/09/2006 |
| 7025576 | Pump with axial conduit An air pump including an outer housing and an inner housing positioned within the outer housing, the inner housing and outer housing defining an air conduit therebetween, a motor positioned within the inner housing, a vane occupying a majority of the fluid conduit, ... | 04/11/2006 |
| 7021910 | Solar energy operated air pump A solar energy operated air pump includes a rectangular box having a lower lid connected to the bottom, an upper lid openably covering the top thereof and a solar cell inlaid into the upper lid protected by a layer of transparent painting. Inside the box there are a... | 04/04/2006 |
| 6971820 | Microblower assisted barometric valve A gas exchange apparatus is provided which provides for both passive fluid flow and blower associated fluid flow through a barometric valve. A battery powered blower is provided which allows for operation of the barometric valve during times when the barometric valv... | 12/06/2005 |
| 6966760 | Reciprocating fluid pump employing reversing polarity motor A reciprocating pump includes a drive section and a pump section. The drive section has a reciprocating coil assembly to which alternating polarity control signals are applied during operation. A permanent magnet structure of the drive section creates a magnetic flu... | 11/22/2005 |
| 6955527 | Two-way mounting air pump with an inflation mode and a deflation mode A two-way mounting mode air pump is constructed to include a housing affixed to an inflatable object, a battery case mounted in the housing, the battery case having a female coupling device and power output contacts in the female coupling device, and a motor pump se... | 10/18/2005 |
| 6953329 | Hurricane and power outage fan A hurricane and power outage fan that includes a battery powered fan that is operable for a period of time on the power stored in a number of batteries provided with the fan. The battery-powered fan includes an AC to DC converter that supplies power to a trickle cha... | 10/11/2005 |
