Patents by Inventor Joseph Knott
Joseph Knott has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9795386Abstract: A multiple band endoscopic ligation device comprises a single pull string and a plurality of beads positioned on said pull string and between each successive band. The device is configured to be coupled to the distal end of an endoscope and is used to deploy multiple elastic bands around target tissues to be ligated. The device includes a tapered cylindrical body about which a plurality of elastic bands are stretched and positioned. The pull string includes multiple sets of two beads fixed to the string wherein one bead is placed directly behind and in contact with the other. The string is wrapped around the device's body and under each band such that at least one pair of beads is positioned between the elastic bands and one pair of beads is positioned proximally to the most proximal band. As the string is pulled, the beads push the bands sequentially off the distal end of the device and around a tissue to be ligated.Type: GrantFiled: June 27, 2016Date of Patent: October 24, 2017Assignee: Endochoice, Inc.Inventor: David Joseph Knotts
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Publication number: 20160374688Abstract: A multiple band endoscopic ligation device comprises a single pull string and a plurality of beads positioned on said pull string and between each successive band. The device is configured to be coupled to the distal end of an endoscope and is used to deploy multiple elastic bands around target tissues to be ligated. The device includes a tapered cylindrical body about which a plurality of elastic bands are stretched and positioned. The pull string includes multiple sets of two beads fixed to the string wherein one bead is placed directly behind and in contact with the other. The string is wrapped around the device's body and under each band such that at least one pair of beads is positioned between the elastic bands and one pair of beads is positioned proximally to the most proximal band. As the string is pulled, the beads push the bands sequentially off the distal end of the device and around a tissue to be ligated.Type: ApplicationFiled: June 27, 2016Publication date: December 29, 2016Inventor: David Joseph Knotts
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Patent number: 9402631Abstract: A multiple band endoscopic ligation device comprises a single pull string and a plurality of beads positioned on said pull string and between each successive band. The device is configured to be coupled to the distal end of an endoscope and is used to deploy multiple elastic bands around target tissues to be ligated. The device includes a tapered cylindrical body about which a plurality of elastic bands are stretched and positioned. The pull string includes multiple sets of two beads fixed to the string wherein one bead is placed directly behind and in contact with the other. The string is wrapped around the device's body and under each band such that at least one pair of beads is positioned between the elastic bands and one pair of beads is positioned proximally to the most proximal band. As the string is pulled, the beads push the bands sequentially off the distal end of the device and around a tissue to be ligated.Type: GrantFiled: November 19, 2012Date of Patent: August 2, 2016Assignee: EndoChoice, Inc.Inventor: David Joseph Knotts
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Publication number: 20140142596Abstract: A multiple band endoscopic ligation device comprises a single pull string and a plurality of beads positioned on said pull string and between each successive band. The device is configured to be coupled to the distal end of an endoscope and is used to deploy multiple elastic bands around target tissues to be ligated. The device includes a tapered cylindrical body about which a plurality of elastic bands are stretched and positioned. The pull string includes multiple sets of two beads fixed to the string wherein one bead is placed directly behind and in contact with the other. The string is wrapped around the device's body and under each band such that at least one pair of beads is positioned between the elastic bands and one pair of beads is positioned proximally to the most proximal band. As the string is pulled, the beads push the bands sequentially off the distal end of the device and around a tissue to be ligated.Type: ApplicationFiled: November 19, 2012Publication date: May 22, 2014Inventor: David Joseph Knotts
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Patent number: 8469481Abstract: In a method to determine a character width of characters from printed dots in a printing or copying device the printed dots are generated at a location of individual printed elements of a print raster made up of printed elements. In a first raster cell of the print raster a first test pattern is generated that does not cover an entire area from multiple printed dots, and the first raster cell is measured for areal coverage. In a second raster cell of the print raster a second test pattern is generated that does not cover an entire area in which the printed dots are arranged at least in part at different printed element locations in comparison to the first test pattern, and the second test pattern is measured for areal coverage. A ratio of the areal coverages is calculated and the printed dot size is calculated with aid of the ratio. Alternatively instead of measuring areal coverage with respect to the first and second test patterns, toner quantity is measured.Type: GrantFiled: June 30, 2009Date of Patent: June 25, 2013Assignee: Océ Printing Systems GmbHInventors: Felix Tendler, Joseph Knott, Markus Diezi
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Publication number: 20110157273Abstract: In a method to determine a character width of characters from printed dots in a printing or copying device the printed dots are generated at a location of individual printed elements of a print raster made up of printed elements. In a first raster cell of the print raster a first test pattern is generated that does not cover an entire area from multiple printed dots, and the first raster cell is measured for areal coverage. In a second raster cell of the print raster a second test pattern is generated that does not cover an entire area in which the printed dots are arranged at least in part at different printed element locations in comparison to the first test pattern, and the second test pattern is measured for areal coverage. A ratio of the areal coverages is calculated and the printed dot size is calculated with aid of the ratio. Alternatively instead of measuring areal coverage with respect to the first and second test patterns, toner quantity is measured.Type: ApplicationFiled: June 30, 2009Publication date: June 30, 2011Inventors: Felix Tendler, Joseph Knott, Markus Diezi
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Patent number: 7840166Abstract: In a method or device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor. Also a toner reservoir is provided having a toner removal opening shaped to accommodate at least a portion of a paddlewheel.Type: GrantFiled: June 8, 2009Date of Patent: November 23, 2010Assignee: Oce Printing Systems GmbHInventors: Bernhard Schlageter, Klaus Ströl, Reinhold Schmidl, Josef Ranner, Bernd Schoch, Joseph Knott
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Publication number: 20090245881Abstract: In a method or device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor. Also a toner reservoir is provided having a toner removal opening shaped to accommodate at least a portion of a paddlewheel.Type: ApplicationFiled: June 8, 2009Publication date: October 1, 2009Inventors: Bernhard Schlageter, Klaus Strol, Reinhold Schmidl, Josef Ranner, Bernd Schoch, Joseph Knott
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Patent number: 7561832Abstract: In a method and device to separate toner material and air from a toner material-air mixture, and first operating phase at toner material-air mixture is supplied to a filter so that air flows through the filter in a first direction. In a second operating phase, the flow of air through the filter in a first direction is interrupted such that toner material deposited on the filter is loosened. In a second operating phase, air flows through the filter in a direction approximately opposite to the first direction. Also in a method device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor.Type: GrantFiled: May 21, 2003Date of Patent: July 14, 2009Assignee: Oce Printing Systems GmbHInventors: Bernhard Schlageter, Klaus Ströl, Reinhold Schmidl, Josef Ranner, Bernd Schoch, Joseph Knott
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Patent number: 7539425Abstract: In a method to adjust the toner supply to a minimum value in a developer station of an electrographic printing or copying device in which charge images are generated on an intermediate carrier, the charge images being inked with toner at the developer station, a toner concentration is measured in the developer station via a toner marking applied on the intermediate carrier and inked with toner at the developer station. A measurement signal is generated. Dependent on the measurement signal, a supply of the toner to the developer station is regulated. The supply of the toner to the developer station is increased independent of the measured toner concentration upon an under-run of a minimum value of the toner supply per unit time into the developer station so that the transfer of the toner from the developer station to the intermediate carrier is increased.Type: GrantFiled: October 7, 2003Date of Patent: May 26, 2009Assignee: Oce Printing Systems GmbHInventors: Joseph Knott, André Gerd Schwarzkopf
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Patent number: 7496322Abstract: A device and a method are provided for recharging a belt conveyor which is used for transporting a printing medium in the transfer area of an electrophotographic printer or a copying machine. The device includes a blade-like contacting element which is adjacent to the belt conveyor and arranged transversally with respect to the forward motion thereof. The contacting element makes it possible to transfer an electric charge to the belt conveyor and is mounted on a bearing element which can be inserted into a printer or a copying machine and withdrawn therefrom. A method is provided for controlling a printer or copier device by which errors, such as paper jams, can be cleared automatically. A controller commands a module having the error to clear the error automatically. The commands are sent to modules beginning at the output of the printer or copier device and moving in a reverse direction to the paper flow direction of the printer or copier so as to automatically clear errors such as paper jams.Type: GrantFiled: October 16, 2003Date of Patent: February 24, 2009Assignee: Oce Printing Systems GmbHInventors: Markus Stahuber, Albert Eben, Joseph Knott
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Publication number: 20070041755Abstract: A device and a method are provided for recharging a belt conveyor which is used for transporting a printing medium in the transfer area of an electrophotographic printer or a copying machine. The device includes a blade-like contacting element which is adjacent to the belt conveyor and arranged transversally with respect to the forward motion thereof. The contacting element makes it possible to transfer an electric charge to the belt conveyor and is mounted on a bearing element which can be inserted into a printer or a copying machine and withdrawn therefrom. A method is provided for controlling a printer or copier device by which errors, such as paper jams, can be cleared automatically. A controller commands a module having the error to clear the error automatically. The commands are sent to modules beginning at the output of the printer or copier device and moving in a reverse direction to the paper flow direction of the printer or copier so as to automatically clear errors such as paper jams.Type: ApplicationFiled: October 16, 2003Publication date: February 22, 2007Inventors: Markus Stahuber, Albert Eben, Joseph Knott
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Publication number: 20070036563Abstract: In a method to adjust the toner supply to a minimum value in a developer station of an electrographic printing or copying device in which charge images are generated on an intermediate carrier, the charge images being inked with toner at the developer station, a toner concentration is measured in the developer station via a toner marking applied on the intermediate carrier and inked with toner at the developer station. A measurement signal is generated. Dependent on the measurement signal, a supply of the toner to the developer station is regulated. The supply of the toner to the developer station is increased independent of the measured toner concentration upon an under-run of a minimum value of the toner supply per unit time into the developer station so that the transfer of the toner from the developer station to the intermediate carrier is increased.Type: ApplicationFiled: October 7, 2003Publication date: February 15, 2007Inventors: Joseph Knott, Andre Schwarzkopf
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Patent number: 7054591Abstract: A device for the electrophotographic production of image patterns has at least one printing unit to which toner is supplied and has an arrangement for transferring used toner from a cleaning station of the printing unit to a used toner container. The arrangement for transferring can be interrupted to enable changing the used toner container without interrupting the printing operation of the device.Type: GrantFiled: October 15, 1997Date of Patent: May 30, 2006Assignee: Oce Printing Systems GmbHInventors: Blasius Wilhelm, Georg Boehmer, Karl-Heinz Jenak, Joseph Knott, Peter Bremmer
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Publication number: 20050254861Abstract: In a method and device to separate toner material and air from a toner material-air mixture, and first operating phase at toner material-air mixture is supplied to a filter so that air flows through the filter in a first direction. In a second operating phase, the flow of air through the filter in a first direction is interrupted such that toner material deposited on the filter is loosened. In a second operating phase, air flows through the filter in a direction approximately opposite to the first direction. Also in a method device for dosing toner material in an electrophotographic printer or copier, toner material is introduced into at least one bucket chamber rotatably arranged in an opening at a bottom of a toner reservoir. The bucket chamber has a paddle wheel which seals the opening of the toner reservoir. As the paddlewheel rotates, toner material in the bucket chamber is conveyed into a region. The toner material conveyed from the paddlewheel is further conveyed with a screw conveyor.Type: ApplicationFiled: May 21, 2003Publication date: November 17, 2005Applicant: Oce' Printing Systems GmbHInventors: Bernhard Schlageter, Klaus Strol, Reinhold Schmidl, Josef Ranner, Bernd Schoch, Joseph Knott
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Patent number: 6501928Abstract: The invention is directed to a method and to an apparatus for setting a metering gap in a developer station (1). The developer station (1) includes a magnetic drum (5) that comprises a preceding metering device for the acceptance of a developer mix (6) and for forming a uniformly distributed developer mix (6), whereby the metering gap (2) is formed between the magnetic drum (5) and the metering device and the metering device is formed by a metering profile (3). The metering profile (3) is adjustably held such at both axial ends by a respective eccentric (4) that a setting of the width of the metering gap (2) ensues by turning the respective eccentric (4). The eccentrics (4) are adjustable independently of one another.Type: GrantFiled: April 2, 2001Date of Patent: December 31, 2002Assignee: Océ Printing Systems GmbHInventors: Heinrich Schwarz, Joseph Knott
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Patent number: 6434346Abstract: The invention relates to an electrographic printing or photocopying device and method. A toner mark (10) is provided on a photoconductive drum and printed with toner using a developing station. The toner mark (10) is scanned by a sensor at two points of measurement (a1,a2). The amount of toner in a developing mixture consisting of two components depends upon the difference (&Dgr;U) or the quotient of the amount of the signals of the sensor at both points of measurement. A device which is also disclosed enables the exact length of the toner mark (10) to be determined.Type: GrantFiled: February 14, 2001Date of Patent: August 13, 2002Assignee: Océ Printing Systems GmbHInventors: Joseph Knott, André Schwarkopf, Peter Bremmer
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Publication number: 20020037183Abstract: The invention is directed to a method and to an apparatus for setting a metering gap in a developer station (1). The developer station (1) includes a magnetic drum (5) that comprises a preceding metering device for the acceptance of a developer mix (6) and for forming a uniformly distributed developer mix (6), whereby the metering gap (2) is formed between the magnetic drum (5) and the metering device and the metering device is formed by a metering profile (3). The metering profile (3) is adjustably held such at both axial ends by a respective eccentric (4) that a setting of the width of the metering gap (2) ensues by turning the respective eccentric (4). The eccentrics (4) are adjustable independently of one another.Type: ApplicationFiled: April 2, 2001Publication date: March 28, 2002Inventors: Heinrich Schwarz, Joseph Knott
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Patent number: 6229975Abstract: An apparatus for electrophotographic production of images on a printing medium, such as a printer or copier, has a printing unit fed with toner from a toner storage tank. Toner can be refilled into the tank through a closable opening without interrupting the printing operation.Type: GrantFiled: July 16, 1999Date of Patent: May 8, 2001Assignee: Øcé Printing Systems GmbHInventors: Blasius Wilhelm, Georg Boehmer, Karl-Heinz Jenak, Joseph Knott, Peter Bremmer
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Patent number: 6208823Abstract: A printer or copier has a developer station with a toner dispenser in which the toner is fed from a toner box to a transverse transport above a dosing apparatus. The transverse transport includes a helix driven by a drive mechanism. The helix has a pitch H that varies along its length or a thickness D that varies along its length so that the speed of conveyance in the transverse direction decreases over the conveyance path. The rotational speed of the helix is variable by adjustment of the effective length of a drive arm or an extent of an eccentric.Type: GrantFiled: August 10, 1999Date of Patent: March 27, 2001Assignee: Oce' Printing Systems GmbHInventor: Joseph Knott