...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8167400 | Droplet ejecting device capable of recovering ejection performance efficiently A droplet ejecting head is formed with at least one nozzle and is configured to eject a liquid droplet through the at least one nozzle in a nozzle axis direction. A carriage supports the droplet ejecting head. A guide member extends in a predetermined direction and ... | 05/01/2012 |
| 7775623 | Image forming apparatus An image forming apparatus includes: a recording head including a plurality of nozzles which eject ink drops onto a recording medium to form an image; and a vibrator which is disposed to face the plurality of nozzles and vibrates in a non-printing state. ... | 08/17/2010 |
| 7735954 | Printing system particle removal device and method A printing system includes a source of liquid including a liquid outlet. The source of liquid includes a liquid with particles. A liquid vibrating mechanism is operably associated with the source of liquid. A controller is operably associated with the liquid vibrati... | 06/15/2010 |
| 7735953 | Liquid jetting apparatus The liquid jetting apparatus includes a head member having a nozzle, a supporting member that that can support a medium, a scanning mechanism that can cause the head member to relatively move with respect to the medium, and a liquid jetting unit that can jet liquid ... | 06/15/2010 |
| 7677690 | Liquid ejection apparatus and liquid agitation method A liquid ejection apparatus which ejects liquid toward a prescribed medium is provided. The apparatus includes a liquid ejection head which has an ejection port ejecting liquid, and an energy application element applying energy to the liquid to be ejected from the e... | 03/16/2010 |
| 7341697 | Reaction cell and operation method thereof A reaction cell is provided with a vessel-like cell main body and a circular piezoelectric/electrostrictive oscillator fixed to an outside of a bottom surface of the cell main body. The cell main body includes a circular bottom plate portion and a circumferential wa... | 03/11/2008 |
| 7328854 | Fluid control valve and droplet ejection device Exemplary embodiments can provide a fluid control valve, which reduces or prevents any bubble from being built up in the valve itself so as to protect other hydraulic equipment placed in a downstream side from having any malfunction due to such a bubble, and a dropl... | 02/12/2008 |
| 7311373 | Droplet ejection apparatus including recovery processing with a standby power supply A droplet ejection apparatus includes a main power supply, power cutoff detecting means, a standby power supply, residual vibration detecting means, storage means, and ejection failure detecting means. When cutoff of the main power supply is detected, an actuator is... | 12/25/2007 |
| 7304795 | Image projection with reduced speckle noise An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is modified and/or the bandwidth of a laser is increased, to reduce speckle ... | 12/04/2007 |
| 7300131 | Droplet ejection apparatus with ejection failure detection means A droplet ejection apparatus includes ejection failure detecting means for detecting an ejection failure, counting means for counting the number of ejection failures, and droplet receptor transporting means which carry out discharge and feed of the droplet receptor.... | 11/27/2007 |
| 7300134 | Image forming apparatus and method for humidifying in head cap An image forming apparatus, for ejecting liquid from openings to form an image on a printing medium, includes a head cap for covering the opening surface through which the openings open when a liquid ejection head in which the opening are formed is not in use and fo... | 11/27/2007 |
| 7279194 | Thin film formation apparatus and method of manufacturing self-light-emitting device using thin film formation apparatus A means of effectively applying an organic EL material application liquid with good application liquid cut-off is provided. A heater and an ultrasonic oscillator are formed in a thin film formation apparatus when applying the application liquid, and heat and ultraso... | 10/09/2007 |
| 7247972 | Diaphragm structure There is disclosed a diaphragm structure that includes: a ceramic substrate 3 in which at least one opening 2 is formed, and a thin diaphragm portion 4 having a shape protruding on a side opposite to the opening 2 and constituted of a cer... | 07/24/2007 |
| 7210866 | Printer having adjustable media support A printer is provided comprising an elongate printhead for printing across the pagewidth of print media, a rotatable, elongate platen arranged to support the print media being printed on by the printhead, a sensor for sensing a thickness of the print media, and a co... | 05/01/2007 |
| 7204576 | Liquid ejection head and liquid ejection apparatus using the same A head cover of a recording head includes an opening portion for exposing a nozzle face of the liquid ejection nozzle of a flow path unit, a frame portion provided at a surrounding of the opening portion to cover a peripheral edge portion of the flow path unit to be... | 04/17/2007 |
| 7178897 | Method for removing liquid in the gap of a printhead A method for removing liquid in a gap of an ink jet printhead comprising a drop generator, with an outlet valve, orifice plate and charge plate, wherein a cross flush valve is additionally used to form a cross flush pressure in the drop generator, then actuators are... | 02/20/2007 |
| 7168633 | Spraying device A spraying device comprises a spraying plate, having a plurality of tiny holes, a vibrating element, set on a periphery of the spraying plate, and driving a vibrating movement thereof, a wrapping layer, made of soft material and tightly surrounding the vibrating ele... | 01/30/2007 |
| 7160389 | System and method for cleaning and priming an extrusion head The present invention relates to a system and method suitable for automatic cleaning of a coating or extrusion head of a coating apparatus. The invention includes a scrubbing station wherein a combination of physical contact and strong solvent solution combine to re... | 01/09/2007 |
| 7150512 | Cleaning system for a continuous ink jet printer A cleaning system for a continuous ink jet printer includes a first solvent supply conduit connected to a solvent source for conveying solvent through a supply opening and onto the front face of the print head. A second solvent supply conduit is connected to the sol... | 12/19/2006 |
| 7147298 | System and methods for providing an organic electroluminescent device The present invention provides a liquid drop discharge apparatus capable of flushing in which the adverse effect on film deposition and patterning and the contamination of the apparatus are prevented without impairing productivity and a driving method of the same, a... | 12/12/2006 |
| 7125456 | Method for cleaning a washing device of an offset printing machine The invention relates to a method for cleaning a washing device (5) of an offset printing machine, according to which at least one washing device of said offset machine, which comprises a spray bar (11), is removed prior to the cleaning process and pla... | 10/24/2006 |
| 7122791 | Capillaries for mass spectrometry A capillary for a mass spectrometry system is described. The capillary comprises a channel and a tip, and at least one of the channel and the tip comprises a carbon nanotube material that provides a hydrophobic surface. ... | 10/17/2006 |
| 7118189 | Autopurge printing system A system, including an ink supply system configured to supply ink to a printhead; and an autopurge unit configured to automatically clean the printhead. The autopurge unit includes a solvent supply in fluid communication with a solvent line, a solenoid housing, and ... | 10/10/2006 |
| 7115434 | Method for precisely forming light emitting layers in a semiconductor device There is provided a method for precisely forming light emitting layers in a semiconductor device without a positional deviation and at a high throughput. A pixel portion is divided into a plurality of signal lines by banks, and a coating liquid (R), a coating liquid... | 10/03/2006 |
| 7097810 | Delivery of metered amounts of liquid materials Techniques for the delivery of metered amounts of liquid material include the use of a pin, such as an optical fiber. A sample of the liquid material may be placed on the tip of the pin for delivery to a target area, such as a specific location on a microarray, in a... | 08/29/2006 |
| 7083260 | Printer head using a radio frequency micro-electromechanical system (RF MEMS) sprayer A printer head using a radio frequency micro-electromechanical system (RF MEMS) sprayer includes an inner pressure chamber having a liquid inlet and a liquid outlet; a cavity resonator surrounding the inner pressure chamber, wherein the cavity resonator inputs a pre... | 08/01/2006 |
| 7073885 | Liquid jetting apparatus The liquid jetting apparatus includes a head member having a nozzle, a supporting member that that can support a medium, a scanning mechanism that can cause the head member to relatively move with respect to the medium, and a liquid jetting unit that can jet liquid ... | 07/11/2006 |
| 7044578 | Liquid ejection head and liquid ejection apparatus using the same A head cover of a recording head includes an opening portion for exposing a nozzle face of the liquid ejection nozzle of a flow path unit, a frame portion provided at a surrounding of the opening portion to cover a peripheral edge portion of the flow path unit to be... | 05/16/2006 |
| 7029085 | Ink jet head and ink jet printer There is provided an ink jet head including a first drive element which is provided in correspondence with each ink jet nozzle and which has a thin film resistor for ejecting ink droplets from each ink jet nozzle and a thin film conductive electrode for feeding elec... | 04/18/2006 |
| 7025431 | Recording apparatus A recording apparatus for effecting recording on a recording medium by a recording head includes a carriage for reciprocally scanning with the recording head carried thereon, a guide member for guiding the reciprocal scanning of the carriage, a drive source for driv... | 04/11/2006 |
| 7021733 | Ink jet apparatus A drop emitting device that includes a drop generator and a drive signal waveform that includes in sequence a pulse of a first polarity, a first pulse of a second polarity, a delay interval, and a second pulse of the second polarity. ... | 04/04/2006 |
| 7004560 | Cleaning device for cleaning inkjet head A charge/deflecting electrode is provided on an orifice surface of an inkjet head near nozzle orifices formed in the orifice surface. A suction tube is pressed against the orifice surface and the electrode to retain a space therebetween. When a negative pressure is ... | 02/28/2006 |
| 6971733 | Ink jet recording apparatus A pressure generator is driven to eject ink droplets from a nozzle orifice such that a plurality of flushing operations are intermittently repeated with a first time interval, when a recording operation of a recording head is not performed. Each flushing operation i... | 12/06/2005 |
| 6945627 | Ink jet recording apparatus and ink jet recording method An ink jet recording apparatus, equipped with an ink jet head, comprises a device for vibrating a meniscus more than once in response to each print signal when the ink is not discharged. Further, in the apparatus, the meniscus is vibrated more than once at a repetit... | 09/20/2005 |
| 6938972 | Method and apparatus for increasing inkjet printing speed In an inkjet printer there is a trade off between speed and quality. Higher speed can be achieved at the expense of quality as inkjet droplets deposited are distorted in shape and or placement position if the relative velocity between the inkjet nozzles and the prin... | 09/06/2005 |
| 6908174 | Ink jet recording apparatus A pressure generator is driven to eject ink droplets from a nozzle orifice such that a plurality of flushing operations are intermittently repeated with a first time interval, when a recording operation of a recording head is not performed. Each flushing operation i... | 06/21/2005 |
| 6905184 | Liquid jetting apparatus The invention is a liquid jetting apparatus including: a head member having a plurality of nozzles, the nozzles being classified into n classes, n being not less than two; a micro-vibrating unit that causes liquid in a nozzle or nozzles of the respective classes to ... | 06/14/2005 |
| 6905189 | Wet capping tray for ink jet printheads A printing system that includes a printhead head containing ink, and a tray cooperatively associated with the printhead and containing a waste solution in which the printhead is immersed to seal the printhead to prevent the ink from clogging the printhead when the p... | 06/14/2005 |
| 6905552 | Contactless cleaning of vertical ink jet printheads A cleaning station for a vertical nozzle plate of an ink jet printer includes a cylindrical cleaning roller that has an outer surface, and has a substantially vertical central axis and a substantially vertical rotational axis. The roller is spaced from the nozzle pl... | 06/14/2005 |
| 6819448 | Printer with print mode masking periodic carriage vibration A shuttle-type printer has a movable carriage to carry and position at least one pen over a printing surface. The printer also has a carriage positioning system coupled to move the carriage at a slew rate in swaths over the printing surface. The carriage positioning... | 11/16/2004 |