Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5552876 | Apparatus and method for forming superimposed images and copying machine equipped with apparatus Disclosed is an image processing apparatus by which a first image corresponding to first image information and a second image corresponding to second image information are superimposed one on the top of the other, the apparatus comprising a scanning devic... | 09/03/1996 |
| 5541719 | Fixing device having conductive fixing film in image forming apparatus An image fixing apparatus includes a conductive fixing film, a pair of electrodes contacting the conductive fixing film, a supporting element supporting the electrodes, a pressing roller located on a side of the conductive fixing film opposite to the supp... | 07/30/1996 |
| 5526108 | Electrostatographic printer with image-fixing station An electrostatographic printer includes an imaging station for forming a latent electrostatic image on the surface of a drum, a toner development station for developing the latent image to form a toner image, and a toner transfer station for transferring ... | 06/11/1996 |
| 5512982 | Image-forming apparatus with a photosensitive member and a charging device having an oscillatory voltage source An image-forming apparatus for forming an image, especially a halftone image, by using a photosensitive member, having a charging member for charging the photosensitive member, a mechanism for relatively moving the charging member and the photosensitive m... | 04/30/1996 |
| 5510883 | Electrophotographic single-component developing device An electrophotographic single-component developing device including a development roller; a toner storing portion provided in parallel relationship to an axis of the development roller, for storing a single-component toner; and a toner feeding unit provid... | 04/23/1996 |
| 5508794 | Developer recycling system and developer cartridge therefor A developer recycling system is provided for replenishing a fresh developer to a developing device of an image forming apparatus and collecting it after use. A developer cartridge applicable to the system is also provided. When the fresh developer is repl... | 04/16/1996 |
| 5506372 | Development station having a particle removing device A development station for toning electrostatic images includes a particle removing device positioned adjacent an applicator. A variable bias is applicable to the particle removing device for periodically removing carrier from the applicator for disposal. ... | 04/09/1996 |
| 5504558 | Electrophotographic photosensitive member, and electrophotographic apparatus and device unit employing the same The present invention provides an electrophotographic photosensitive member comprising a photosensitive layer formed on an electroconductive support, and a surface layer formed on the photosensitive layer, wherein said photosensitive layer contains a char... | 04/02/1996 |
| 5502554 | Image transferring unit of non-contact type roller method In a transfer unit of a non-contact roller transfer method, both ends of a transfer roller shaft are supported independently of each other so as to be movable upward and downward, and an upward pushing force is provided thereto. A gap maintaining roller p... | 03/26/1996 |
| 5495314 | Image forming apparatus controlled by microcomputer An image forming apparatus includes a microcomputer which controls components for executing an image forming operation, and sends a signal to a supervising portion when no abnormality occurs in itself. The supervising portion includes a watch-dog timer, a... | 02/27/1996 |
| 5495315 | Level sensing apparatus An improvement for a container disposed in a printing machine is disclosed. The container is adapted to dispense toner and capable of maintaining a quantity of toner therein. The improvement includes a sensor for sensing that the quantity of toner in the ... | 02/27/1996 |
| 5486910 | Image forming apparatus having paper feeding mechanism for feeding sheet from sheet a storage portion to an image forming portion In an electronic copying machine, a paper feeding mechanism includes a paper supply roller, a reversal roller, and an aligning roller. The aligning roller and the reversal roller are rotated by a motor through first and second transmission mechanisms, res... | 01/23/1996 |
| 5469242 | Corona generating device having a heated shield A corona generating device of the type having a conductive shield partially surrounding a corona discharge electrode is provided with heating element. The heating element raises the surface temperature of the conductive shield to reduce or eliminate the a... | 11/21/1995 |
| 5459552 | Image forming apparatus communicable with a centralized control apparatus An image forming apparatus communicable with a centralized control apparatus. When a trouble occurs in the image forming apparatus under predetermined transmission conditions where a communication terminal electrically connected to the centralized control... | 10/17/1995 |
| 5459558 | Charging device, image forming apparatus with same and a process unit detachably mountable to the image forming apparatus A charging apparatus having a charging member contactable to a member to be charged, a pressing device for pressing the charging member onto the member to be charged at a pressing position. In the apparatus, an outside size of the charging member is large... | 10/17/1995 |
| 5446527 | Method of forming fixed images A method of forming fixed images includes charging a photoconductor; exposing the photoconductor to light; developing an electrostatic latent image, such that a toner is applied to the electrostatic latent image formed on a transfer film moving in partial... | 08/29/1995 |
| 5428427 | Device for detecting toner used in an electrophotography machine A device for informing whether fresh toner should be newly supplied into a developer (20) into an electrophotography machine comprises a sleeve (22) for delivering toner (29) to a photosensitive drum, a blade (23) for regulating the distribution of the to... | 06/27/1995 |
| 5420624 | Method and apparatus for correcting printing distortions in an ink jet printer Printing distortions caused by ink stream/charge tunnel misalignment, charge tunnel mis-dimensioning or a variation in drop spacing or changes in ink resistivity are corrected by measuring the actual induction co-efficients for a particular printer. For t... | 05/30/1995 |
| 5406320 | Ink replenishment assemblies for ink jet printers The present invention constitutes in an ink jet printing apparatus, an improved ink replenishment system. An ink supply housing of the improved ink replenishment system includes a pair of opposed side walls having a plurality of attachments spaced in resp... | 04/11/1995 |
| 5396315 | Electrophotographic printing machine An electrophotographic printing machine is provided with a photoreceptor whereon a transparent electrically conductive layer and a photoconductive layer are successively formed. A visible image is formed on the photoconductive layer by exposing the photoc... | 03/07/1995 |
| 5392103 | Image forming method comprising electrostatic transfer of developed image and corresponding image forming apparatus An image forming method, including the steps of: developing an electrostatic image formed on an electrostatic image-bearing member with a developer to form thereon thereon a developed image, the developer containing 100 wt. parts of a toner and 0.05 to 3 ... | 02/21/1995 |
| 5355204 | Image fixing apparatus without crease of fixing film An image fixing apparatus includes a heater; a movable film in contact with the heater and movable together with a recording material carrying an image to be fixed; a pressing rotatable member for urging the recording material and the film to the heater; ... | 10/11/1994 |
| 5355196 | Micro computer controlled image forming apparatus An encoder is connected to the drive system of the optical system of an image forming apparatus including an optical system for exposing a document image to a light and scanning the document image, a home position switch for detecting the optical system w... | 10/11/1994 |
| 5353101 | Charging member featuring a cut edge, and charging device employing same for use in a detachable process unit in an image forming apparatus A charging member for charging a member to be charged includes a blade member having an electrode layer and/or a resistive layer thereon, and a supporting member for supporting the blade member. The blade member is cut into a predetermined size together w... | 10/04/1994 |
| 5315357 | Cleaning unit provided in xerographic image forming apparatus for removing residual toner from an image carrier A cleaning unit provided in a xerographic image forming apparatus removes residual toner from a photosensitive belt after a transfer process for transferring a developed image from the photosensitive belt to a recording sheet. The cleaning unit includes a... | 05/24/1994 |
| 5305058 | Progressive levels of automatic machine quality adjust A technique for selectively adjusting the quality of an image processing apparatus in relation to deviations from image quality standards including the steps of recognizing a deviation of the image processing apparatus from the image quality standards, re... | 04/19/1994 |
| 5303017 | Print skip avoidance for on-line compiling In a copier or printer producing a sequential stream of printed copy sheets with a limited space and time therebetween, and with compiling and finishing of those output sheets into plural collated finished sets on-line while subsequent sheets are being pr... | 04/12/1994 |
| 5300959 | Efficient conductor routing for inkjet printhead A novel, nozzle member for an inkjet print cartridge and method of forming the nozzle member are disclosed. In this method, the nozzles or orifices are formed in a flexible polymer tape by Excimer laser ablation. In one embodiment, a substrate containing ... | 04/05/1994 |
| 5300990 | Liquid electrophotographic printer developer The invention is a liquid toner developer for a laser printer. There is an open bath of liquid toner about 50 microns below a moving outer bottom photoconductor surface energized by actinic light. Immediately downstream of the liquid bath and adjacent to ... | 04/05/1994 |
| 5289250 | Sheet post-processing apparatus having sheet aligner A sheet post-processing apparatus includes trays for accommodating discharge sheets; an aligning device for aligning the sheets on said trays by urging edges of the sheets; a driver for driving the aligning device; supporting device for supporting said al... | 02/22/1994 |
| 5285243 | Method and apparatus for determining toner development rate A method and apparatus for determining the rate of development characteristic of electroscopic toner particles of the type used in electrostatographic recording to develop electrostatic images. The apparatus has a biased electrode for attracting toner par... | 02/08/1994 |
| 5282010 | Stripping of paper from photoreceptor belts with reduced stress In an electrophotographic printer, an improved system for stripping copy sheets from a photoreceptor imaging belt which may be adversely life affected by mechanical wrapping stresses from wrapping around small radii supports over time, yet with the copy s... | 01/25/1994 |
| 5278584 | Ink delivery system for an inkjet printhead This invention provides an improved ink flow path between an ink reservoir and vaporization chambers in an inkjet printhead. In the preferred embodiment, a barrier layer containing ink channels and vaporization chambers is located between a rectangular su... | 01/11/1994 |
| 5278620 | Cleaning blade equipped with a vibration sensor A piezoelectric sensor is mounted on the cleaning blade and/or the blade support member of a blade cleaning apparatus contained within a electrostatic copying machine. The piezoelectric sensor generates a waveform indicative of the wear characteristics of... | 01/11/1994 |
| 5270782 | Single-component development system with intermediate donor member An apparatus for developing an electrostatic latent image on an image support surface. A rotating advancing member advances single component developer material from a toner supply sump in a chamber to an intermediate donor roll. The intermediate donor rol... | 12/14/1993 |
| 5260724 | Capping device for ink jet printer According to the present invention, there is disclosed a capping device for an ink jet printer which is constructed such that a cap supporting member 14, adapted to move from the non-capping position to the capping position by the thrust action of a carri... | 11/09/1993 |
| 5260750 | Image forming apparatus having integral developing agent storing and removing containers An image forming apparatus includes a toner processing unit which is detachably fitted to a cleaning device and a developing unit arranged in the apparatus body. The unit has first and second container integrated with each other. The first container defin... | 11/09/1993 |
| 5258781 | One-step encapsulation, air gap sealing and structure bonding of thermal ink jet printhead A one-step process bonds a manifold to a printhead die and interconnection board located on a heat sinking substrate, encapsulates wire bonds extending from the interconnection board and the printhead die, and seals air gaps between the manifold and print... | 11/02/1993 |
| 5258817 | Document handling system having a shunt path A document handling system and method for automatically and successively transporting documents is provided. The system includes a primary path and means feeding documents in a predetermined sequence along the primary path from a stack of documents. The d... | 11/02/1993 |
| 5245386 | Contact charging device having a brush restricting member A contact charging device for charging a moving surface of an electrostatic latent image support member includes a large number of brush hairs contacting the moving surface of the electrostatic latent image support member; a brush restricting member, whic... | 09/14/1993 |
