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 |
| 7694614 | Case cutter assembly A case cutter apparatus for cutting a container has a conveyor for moving the container in a single direction, a measuring device measuring a length, a width, and a height of the container, a controller for controlling the apparatus and for receiving information fro... | 04/13/2010 |
| 7251537 | Processing of work piece based on desired end physical criteria Processing a work piece by first scanning the work piece. The work piece is modeled to determine its outer perimeter and/or how the work piece could be divided into portions of specific areas and perimeters based on desired portion sizes of desired areas and perimet... | 07/31/2007 |
| 7240497 | Cryostat having a heating plate A cryostat (1) having a sealable housing (2) is described, the housing (2) enclosing a coolable cryostat chamber (3). For cooling the cryostat chamber (3), a refrigeration device (4), a control system (5) and a power ... | 07/10/2007 |
| 7185574 | Method and device for separating disc-shaped bodies from an original body A device for separating disc-shaped bodies from an original body includes a separating device, a feeding device, an optical recognition device for determining the front face contour of the original body and lamps for illuminating the surroundings of the cutting surf... | 03/06/2007 |
| 7137625 | Sheet finisher including means for setting cutting position image forming system including the sheet finisher A sheet finisher includes means for cutting a non-folded edge of at least one folded sheet. Means are used for setting a cutting position in accordance with a preselected length of the at least one folded sheet in a direction of sheet conveyance and a sensed length ... | 11/21/2006 |
| 7134465 | Process and apparatus for identifying, tracking and handling lumber to be cut-in-two An apparatus for identifying, tracking and handling lumber to be cut-in-two includes a scanner and optimizer to scan the length of a board and to compare the scanned board to predetermined criteria so as to identify a board which, optimally, would be cut into two pi... | 11/14/2006 |
| 7124671 | Method and device for reducing web breakage in a web cutter In a web cutter where a blade is used to cut a continuous paper web into sheets, a tractor is used to move the web past the blade for cutting. The tractor operates in a start-and-stop cycle so that the web is temporarily stopped to allow the blade to lower and shear... | 10/24/2006 |
| 7100484 | Apparatus for automatically trimming and cutting images on sheets of paper and other graphic and photographic supports Apparatus for automatically trimming and cutting images on support sheets, which comprises two cutting devices (1, 2) arranged upstream and downstream, respectively, a conveying device (3) which is suitable for conveying to the second cutting device ( | 09/05/2006 |
| 7080583 | Method and apparatus for presetting specimens in a cutting device In microtomes or ultramicrotomes, it is necessary to preset the specimen (14) onto the knife (16). In order to facilitate and automate this presetting operation, which is intended to guarantee the fastest and most accurate possible positioning of the k... | 07/25/2006 |
| 7073419 | Positioning method and device A method and apparatus for slicing a food product. The food product is moved in a conveying direction toward a rotary cutter driven in a cutting plane. A sensor detects the width of the food product and provides an output to an adjustment circuit which moves the foo... | 07/11/2006 |
| 7047852 | Feedforward control system for an elastic material A process for providing feedforward control to control the feed rate of an elastic material. The process involves measuring the distance between registration marks on the elastic material prior to cut-off. These measurements are compared to a target cut length. The ... | 05/23/2006 |
| 7036411 | Active measurement and control system for a material cutting apparatus An active measurement and control system for a material cutting apparatus. The apparatus comprises a cutting tool which may be pivoted for cutting a workpiece in a cutting area at a selectable angle. The cutting area defines a datum plane, and a feed table with a sh... | 05/02/2006 |
| 7011006 | Automated board processing apparatus In preferred embodiments the invention includes a transverse board conveyor, a board extrusion portion, a marking station, a sawing portion, and a plurality of board feeding portions, all of which are controlled by a process controller. In such preferred embodiments... | 03/14/2006 |
| 7007729 | Log charging apparatus for sawmills An improved log charging system for a sawmill having a sharp chain infeed conveyor includes a log turning station for scanning and rotating a horizontally supported log about its longitudinal axis to a desired orientation that will produce maximum lumber yield, and ... | 03/07/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6931973 | Slicing-machine drive A slicing machine has a blade having an edge, and a carriage adapted to carry a foodstuff to be sliced and displaceable past the blade edge in forward and reverse directions. A reversible drive on the support is connected to the carriage for displacing it in both di... | 08/23/2005 |
| 6923101 | Continuous log bucking saw system and method A high-throughput, high-end-product-recovery, lineal log bucking device featuring continuous stem travel during the cutting process by using a simple and efficient machinery design for economy of equipment and monies. The apparatus includes: (1) a saw for cutting st... | 08/02/2005 |
| 6880438 | Method and system for cutting puzzle cut petals in belts A method for cutting belt material to accurate dimensions and for forming the mating edges of a puzzle cut joint for joining the ends of the belt material to form a continuous belt for use in a document processing application. The belt material is maintained in accu... | 04/19/2005 |
| 6874395 | Punching device and workpiece processing method A punching device of the present invention is proposed which can perform positional alignment with high accuracy without generating positional deviation or vibration by shifting a workpiece, and which does not deteriorate the accuracy of determining the position of ... | 04/05/2005 |
| 6871571 | Web or sheet-fed apparatus having high-speed mechanism for simultaneous X,Y and theta registration Web processing apparatus (30, 300) is provided for high speed, extremely accurate die cutting or lamination operations. Processing station (32, 300) includes a Vacuum hold down plate (32, 308) which receives and holds an image bearing incrementa... | 03/29/2005 |
| 6865973 | Method and apparatus for feeding workpiece A workpiece conveying and feeding unit for conveying a long workpiece in the lengthwise direction to feed the workpiece to a cutting machine is disposed in the rear of the cutting machine. A workpiece conveying unit conveys the workpiece in the lengthwise direction ... | 03/15/2005 |
| 6845695 | In-process tape bur monitoring The protective tape applied to the front surface of a semiconductor wafer to protect the wafer during backgrinding must be trimmed so that excess tape, known as tape bur, does not extend beyond the perimeter of the wafer. Tape bur may interfere with backgrinding by ... | 01/25/2005 |
| 6817393 | End-dogging head saw and method An end-dogging head saw is disclosed comprising a log cradle for supporting a log, a log-turning device for rotating the log into proper alignment with a pair of band saws, the log-turning device depending from overhead log carriages which move the log into contact ... | 11/16/2004 |
| 6778680 | Apparatus for detecting markings on opposite end faces of a wood block A peeler block is formed previously on its opposite end faces with markings the centers of which define an optimum axis about which the block should be rotated for achieving maximum yield in peeling veneer from the block in a rotary veneer lathe. An apparatus is dis... | 08/17/2004 |
| 6766720 | Method and apparatus for forming cuts in catheters, guidewires and the like A system configured for forming precision cuts in an elongate object comprising a base member and a movable member carried by the base member and movable toward and away from the elongate member, and a cutting blade carried by the movable member; and a clamping devi... | 07/27/2004 |
| 6739228 | Process for minimizing waste during processing of a length of stock A process is provided for minimizing waste during processing of a length of stock into one or more shorter usable segments, where in connection with the processing station upon which the length of stock is processed, the length of stock has a minimum handling length... | 05/25/2004 |
| 6705363 | Log processor and method A log processor and log processing method scans a log (L) at a first station (18) so that the longitudinal centerline (32) and a sawing scheme for the log can be automatically determined by a controller (4). The log is oriented at a second stati... | 03/16/2004 |
| 6701817 | Automatic iron core air gap cutting apparatus An automatic iron core air gap cutting apparatus includes an electronic control box and a transmission system to receive signals and control from the electronic control box for receiving finished iron cores to perform air gaps cutting operations. The comp... | 03/09/2004 |
| 6681672 | Optimized band saw feed speed system The optimized band saw feed speed system of this invention is associated with a saw mill carriage reciprocable past a band saw by a power drive motor. The feed speed control system utilizes a first laser line arranged to allow video scanning of the diamet... | 01/27/2004 |
| 6681671 | Method and system for cutting puzzle cut petals in belts An apparatus and method for cutting belt material to accurate dimensions and for forming the mating edges of a puzzle cut joint for joining the ends of the belt material to form a continuous belt for use in a document processing application. The workpiece... | 01/27/2004 |
| 6644164 | Rotatable saw unit for optimized log breakdown A rotatable saw unit for optimized log breakdown includes a saw unit immediately downstream of an infeed conveyor and cooperating with the infeed conveyor for sawing a workpiece as the workpiece is translated by the infeed conveyor into the saw unit. The ... | 11/11/2003 |
| 6612920 | Optimized loin saw An automated cutting apparatus and method having a coordinated three axes of motion wherein one axis is designated as a master and provides a master time source and the other two axes are designated as slaves and more proportionately to the master axis. A... | 09/02/2003 |
| 6568307 | Microtome having a motorized feed drive system A microtome (1) having a motorized feed drive system (2) for generating a relative movement between an object (7) that is to be cut and a cutting knife (4). A control circuit (8) and a pressure-sensitive sensor (9) are provided for detecting a position be... | 05/27/2003 |
| 6553880 | Micromachining system A micro-machining system configured for cutting an elongate object, including a clamp configured to enable repeatedly releasing and then holding the elongate object in a position suitable for cutting the elongate object transversely relative to its length... | 04/29/2003 |
| 6539830 | Automated board processing apparatus In preferred embodiments the invention includes a transverse board conveyor, a board extrusion portion, a marking station a sawing portion, and one or more board feeding portions, all of which are controlled by a process controller. In such, preferred emb... | 04/01/2003 |
| 6520228 | Position-based integrated motion controlled curve sawing A method of position-based integrated motion controlled curve sawing includes the steps of: transporting a curved workpiece in a downstream direction on a transfer, and monitoring position of the workpiece on the transfer, scanning the workpiece through a... | 02/18/2003 |
| 6520057 | Continuous system and method for cutting sheet material A system and method for performing operations such as cutting on sheet material such as cloth wherein the sheet material is scanned at an inspection station to determine the existence and location of flaws in the material, the material is transferred to a... | 02/18/2003 |
| 6494240 | Apparatus for controlled curved sawing or cutting of two-faced cants In combination with a cant sawing or cutting unit, a system for guiding two-faced cants through the cut along the line of their natural curvature which includes at the infeed and outfeed ends of the unit, laterally moveable rollers for clamping upon paral... | 12/17/2002 |
| 6382067 | Lumber positioning apparatus for end trimming An apparatus for positioning lumber pieces for end trimming, by means of a succession of gates mounted on traveling chains set at a converging angle with the even end line of uniformly spaced lumber pieces carried transversely on parallel chains towards a... | 05/07/2002 |
| 6357330 | Method and apparatus for cutting a wafer A wafer cutting apparatus which includes a wafer saw, a detector, and a control unit. The detector detects a variable of a wafer being sawed. The control unit utilizes the variable to control the saw.... | 03/19/2002 |
