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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7806837 | Guide wire for catheter A guide wire (10) for a catheter carrying an implant includes alternating radio-opaque zones (16) and radio-transparent zones (18) formed from a granular material at a portion of the guide wire (10) just proximal to a flexible tip (12 | 10/05/2010 |
| 6971809 | Directing pages to a selected output destination of a printing system A printing system comprises at least two input sources for storing a printable medium prior to printing. The printing system also includes at least two output destinations for holding or processing the printable medium after the printing. A user interface supports a... | 12/06/2005 |
| 6967747 | Method and system for matching marking device outputs A method is provided for substantially matching a first output produced by a first marking device with a second output produced by a second marking device. A first set of sample tone levels is produced using the first marking device. A second set of sample tone leve... | 11/22/2005 |
| 6959162 | Electrographic image developing apparatus and process Apparatus and methods for electrographic image development, wherein the image development process is optimized by subjecting the developer to magnetic field maxima, thereby imparting to the developer a velocity component in a direction perpendicular to the process d... | 10/25/2005 |
| 6959164 | Apparatus for cleaning a pressure roll in a fusing station The invention generally relates to the field of fusing powder toner images on receiver sheets. According to various aspects of the invention, methods and apparatus are provided of cleaning, only during standby, a pressure roller that cooperates with a fuser roller i... | 10/25/2005 |
| 6918582 | Sheet feeder for a sheet handling machine A sheet feeder comprising a platform for stacking sheets and feed head assembly at the front of the platform for acquiring individual sheets from the stack and feeding separate sheets into a sheet handling machine. The feed head assembly is comprised of a vacuum ple... | 07/19/2005 |
| 6912325 | Real time electronic registration of scanned documents The registration and skew information of a document about to be scanned are detected prior to capturing the entire image of the document. Two sensors, a fixed distance apart, are used to detect the document skew. A third sensor is used to detect the edge position of... | 06/28/2005 |
| 6908082 | Method and system for providing sheet stack level control A system and method for providing the ability to more effectively control a paper stack in a reproduction apparatus. The level control behavior of the paper stack is characterized, and accordingly, additional lift commands are signaled when the behavior indicates th... | 06/21/2005 |
| 6901238 | Fuser entry guide with variable vacuum for a marking engine A method and apparatus for increasing the efficiency of a vacuum-assisted, fuser entrance guide in a marking engine by varying the vacuum on the guide as a sheet of marking medium moves thereacross wherein a low vacuum is applied on the guide while the sheet of mark... | 05/31/2005 |
| 6900436 | Corona wire tensioning mechanism A wire tensioning mechanism for tensioning a wire having an end one and an end two in a machine in which the wire has a means for attachment on end two and is fixed to the machine at end one, comprises a slide block, and a spring. The slide block is slidably ... | 05/31/2005 |
| 6892047 | Air baffle for paper travel path within an electrophotographic machine A means and a method for increasing the efficiency of a vacuum-assisted, fuser entrance guide in an electrophotographic apparatus by blocking and deflecting air currents away the sheet of copy medium as the sheet moves from a vacuum transport towards the entrance gu... | 05/10/2005 |
| 6868242 | Mechanism and method for cleaning corona wires The present invention relates in general to a corona charger for use in an electrostatographic reproduction apparatus or the like, and more particularly to a cleaning mechanism for the corona wires of a corona charger. According to one aspect, a corona wire assembly... | 03/15/2005 |
| 6862415 | Device for treating the surface of an article in connection with printing The invention relates to a device and method for treating the surface of an article in connection with printing. More particularly, the invention relates to a method and device, which is capable of checking the motion of a roller in a device for fixing toner on prin... | 03/01/2005 |
| 6826384 | Apparatus for a pre-registration speed and timing adjust system An image-production system includes a marking engine. The image-forming production system may also include an inserter. The marking engine includes a marking engine controller, a speed adjust system and a registration system. The registration system aligns sheets go... | 11/30/2004 |
| 6775505 | Electrostatic image developing process with optimized setpoints The invention relates generally to processes for electrostatic image development, and setpoints that provide uniform image development. In particular, an apparatus and process having a magnetic brush that implements a rotating magnetic core within a shell is disclos... | 08/10/2004 |
| 6726198 | Device for aligning sheets of printed materials The invention is in the field of aligning sheets of printed materials, of the type that aligns sheets of printed materials for a desired output, for example, from a finishing device. According one aspect of the invention, an alignment device is provided configured a... | 04/27/2004 |
| 6726079 | Wire feed device The present invention provides a wire feed device for guiding and straightening a wire which is comprised of a wire infeed unit and a self-cleaning deflection head which are connected together by a flexible guide hose. The wire infeed unit has a guide passage theret... | 04/27/2004 |
| 6702280 | Apparatus and process for transporting sheet-shaped print materials According to one aspect of the invention, an apparatus and process are provided for transporting sheet-shaped print material. A first transport element and a first contact element are actuated to transport a sheet-shaped print material with alignment agai... | 03/09/2004 |
| 6644655 | Equipment for distributing flexible sheet-shaped objects The invention relates to a device for distributing flexible sheet-shaped objects into multiple selectable target stations of a sheet material processing device, wherein the distributing device is mounted between a supply station and sheet conveyor units o... | 11/11/2003 |
| 6588744 | Apparatus and method for handling stacks of sheets A device is provided for holding one or more stacks of sheets, especially stacks of sheets that are stored offset to each other, for example by offset collating, that are output to an output station by a sheet processing device. According to an aspect of ... | 07/08/2003 |
| 6585406 | Electrostatographic blender assembly and method The invention relates generally to development apparatus for mixing and applying developer material to a latent image on an image-bearing member in an electrostatographic reproduction machine, such as a copier or printer. More particularly, this invention... | 07/01/2003 |
| 6571077 | Electrostatic image developing method and apparatus using a drum photoconductor and hard magnetic carriers The invention relates generally to apparatus for electrostatic image development and, in particular, apparatus that implement a magnetic brush with a drum photoconductor. According to an aspect of the invention, a method and apparatus for developing an el... | 05/27/2003 |
| 6453148 | Apparatus and process for detecting leaks in an electrographic cleaning system The invention relates to cleaning systems for electrographic processes and, in particular, to detecting leaks in such processes. A process and apparatus for sensing leaks is provided in an electrographic process cleaning system of the type configured to h... | 09/17/2002 |
| 6278860 | Castered and gimballed cleaning web with self-tensioning A mechanism for cleaning the surface of an operative element of a reproduction apparatus. The cleaning mechanism includes an elongated web of cleaning cloth material. A first support provides a supply of the elongated web of cleaning cloth material, and a... | 08/21/2001 |
| 6272311 | Air cooling station for electrophotographic copier The fusing assembly in an electrophotographic copier has a paper travel path passing between a pair of opposed air cooling plenums. Each plenum has an air supply plate confronting the travel path with slots for directing cooling air onto the moving paper.... | 08/07/2001 |
| 6062851 | Combination CVI/CVD and heat treat susceptor lid The invention relates to a susceptor lid for use in a CVI/CVD furnace. More specifically, the invention is directed to a lid configured to consecutively run CVI/CVD and heat treatment processes without opening the furnace. The susceptor lid according to t... | 05/16/2000 |
| 6057022 | Pressure gradient CVI/CVD apparatus, process and product The invention relates to the field of high temperature composites made by the chemical vapor infiltration and deposition of a binding matrix within a porous structure. More particularly, the invention relates to pressure gradient processes for forcing inf... | 05/02/2000 |
| 5996979 | Aircraft shock strut having an improved piston head The invention is in the field of aircraft shock struts, of the type having a piston cylinder and a piston head, for slowing movement of an aircraft structure toward the ground, particularly during landing or take-off. The invention provides a more constan... | 12/07/1999 |
| 5945598 | Dynamometer test apparatus for aircraft brakes The invention is in the field of dynamometer testing of aircraft wheel and brake assemblies and, more particularly, relates to the simulation of brake and landing gear vibration dynamics on a dynamometer. The test apparatus and method according to the inv... | 08/31/1999 |
| 5915503 | Brake rod having a bending mode coulomb damper The invention relates to the field of braking systems, particularly those braking systems that utilize linkages to transmit brake-generated loads from a wheel and brake assembly to a braked vehicle. According to an aspect of the invention, a damped brake ... | 06/29/1999 |
| 5910266 | Helical electrical heater The invention is in the field of electrical resistance heaters, especially heaters for tubes, pipes, or flexible hose. More particularly, the invention is directed to an electrical heater formed as a strip that is permanently set in the shape of a helix. ... | 06/08/1999 |
| 5908792 | Brake disk having a functional gradient Z-fiber distribution The invention relates to the field of composite brake disks formed from fibrous structures. A brake disk according to the invention comprises an annular fibrous structure having two opposing generally planar faces and a binding matrix permeating the annul... | 06/01/1999 |
| 5900297 | Pressure gradient CVI/CVD apparatus, process and product The invention relates to the field of high temperature composites made by the chemical vapor infiltration and deposition of a binding matrix within a porous structure. More particularly, the invention relates to pressure gradient processes for forcing inf... | 05/04/1999 |
| 5858890 | Laminar fibrous structure having Z-fibers that penetrate a constant number of layers The invention relates to the field of forming fibrous structures. A fibrous structure according to the invention has an upper group of fibrous layers and lower group of fibrous layers subjacent the upper group of fibrous layers. A multitude of Z-fiber bun... | 01/12/1999 |
| 5853485 | Pressure gradient CVI/CVD apparatus process and product The invention relates to the field of high temperature composites made by the chemical vapor infiltration and deposition of a binding matrix within a porous structure. More particularly, the invention relates to pressure gradient processes for forcing inf... | 12/29/1998 |
| 5851056 | Aircraft brake heat shield having easily removed heat shield sections The invention is in the field of heat shields for aircraft wheel and brake assemblies. More particularly, the invention relates to such heat shields having removable sections. According to an aspect of the invention, a heat shield is provided for attachme... | 12/22/1998 |
| 5825634 | Circuit board having an EMI shielded area The invention relates to Electromagnetic Interference ("EMI") shielding of electrical components mounted on circuit boards. An EMI shielded assembly is provided, comprising a circuit board having at least one electrical contact distributed around the peri... | 10/20/1998 |
| 5758394 | Rotary needling process and support for making needled fibrous structures A rotary needling process including a multitude of felting needles repeatedly driven into a fibrous structure disposed on a surface of a needle penetrable support as the support is rotated about an axis of rotation. The process according to the invention ... | 06/02/1998 |
| 5740593 | Process for forming fibrous preform structures The invention relates to the field of needling processes for forming fibrous preform structures. The invention is particularly useful in forming fibrous preform structures suitable for subsequent processing into high temperature resistant composite struct... | 04/21/1998 |
| 5709532 | Propeller ice protection system and method providing reduced sliding contact maintenance The invention relates to a propeller ice protection system having more evenly distributed sliding contact wear resulting in reduced maintenance, and a method of operating the system. According to the invention, polarity of a DC potential applied to the sl... | 01/20/1998 |
